Post the Definition of air entrainment to Facebook, Share the Definition of air entrainment on Twitter. By using our services, you agree to our use of cookies. While hardened concrete appears solid, it is porous, having small capillaries resulting from the evaporation of water beyond that required for the hydration reaction. Air entrainment is the intentional creation of tiny air bubbles in concrete. Definition von entrainment im Englisch Englisch wörterbuch Any of several processes in which a solid or liquid is put into motion by a fluid . Air Entrainment F1OW Field Induced by a Pool Fire X. C. ZHOU and J. P. GORE* llrermal Sciencesand PmptdsionCentec SchoolofMechanicalEngineering,PurdueUniversity, WestLafayette,IN 47907 A laser Doppler velocimeter (LDV) was used in conjunction with a quiescently seeded ambient enclosure to The air bubbles are typically 10 to 500 micrometres in diameter (0.0004 to 0.02 in) and are closely spaced. Air Entrainment Mechanisms from Artificial Supercavities: Insight based on numerical simulations Michael P. Kinzel Jules W. Lindau Robert F. Kunz Penn State University Applied Research Laboratory State College, PA, USA ABSTRACT Using multiphase computational simulations based on the Navier-Stokes equations, we examine the internal gaseous flows of artificially ventilated supercavities. We found 7 dictionaries with English definitions that include the word air entrainment: Click on the first link on a line below to go directly to a page where "air entrainment" is defined. The benefits of smaller machinery are obvious: economy of materials, less energy consumption, less square-footage required. in avalanche dynamics] Schneeaufnahme {f} 3 Wörter: constr. Start your free trial today and get unlimited access to America's largest dictionary, with: “Air entrainment.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/air%20entrainment. The flow of 100 per cent oxygen through the mask draws in a controlled amount of room air (21 per cent oxygen). Give contextual explanation and translation from your sites ! Mean air content. These air bubbles are dispersed throughout the hardened cement paste but are not, by definition, part of the paste (Dolch 1984). Example sentences with "entrained air indicator", translation memory. Ro, Cookies help us deliver our services. It is typically used to refer to the capture of a wind flow of high moisture content, or in the case of tropical cyclones, the capture of drier air.. Detrainment is the opposite effect, when the air from a convective cloud, usually at its top, is injected in the environment. Flooding and Entrainment in a Distillation Tray. Lettris is a curious tetris-clone game where all the bricks have the same square shape but different content. Bernoulli's Priniciple or Effect has practical applications in the field of respiratory care in that it allows us to deliver precise oxygen concentration levels with simple devices by mixing oxygen with entrained room air. Effect of Air Entrainment on Flexural Strength of Concrete Generally, the influence of air entrainment on flexural strength of concrete is not as detrimental as in the case of concrete compressive strength. The average pump will likely fail to operate at 14 percent air entrainment. Air entrainment and concrete Some things every contractor should know about a combination that assures longer-lasting and more attractive concrete This photomicrograph of air entrained plastic concrete suggests how minute bubbles of air function as … UL's Firefighter Safety Research Institute has conducted an extensive Air Entrainment Study to evaluate the influence of nozzles and their ability to influence the flow path during a fire. The primary purpose of air entrainment is to increase the durability of the hardened concrete, especially in climates subject to freeze-thaw; the secondary purpose is to increase workability of the concrete while in a plastic state. Key words: stepped chute, air-entrainment, air-water flow properties, macro-roughness elements, skimming flow. The English word games are: Test your knowledge - and maybe learn something along the way. The air bubbles are created during mixing of the plastic (flowable, not hardened) concrete, and most of them survive to be part of the hardened concrete. You can also try the grid of 16 letters. Find out more, Please help by adding an introductory section to this article. air-to-oxygen mix ratio definition . entrainment Bedeutung, Definition entrainment: 1. the process of making something part of a liquid or flow of something and carrying it along: 2…. Das Substantiv Englische Grammatik. [2], This entry is from Wikipedia, the leading user-contributed encyclopedia. Hubert Chanson M.E., ENSHM Grenoble, INSTN (Saclay), Ph.D. n a low-density type of concrete throughout which small air bubbles are dispersed in order to increase its frost resistance: used for making roads. Air entrainment admixture quantities required to obtain a specific finished air content for mix designs are based on a number of variables including size of aggregate, fineness and quantity of cement and use of SCMs such as fly ash and silica fume. In addition, it can reset the timing of sleep, moving it slightly earlier. For every 1% of additional air entrained, concrete strength will fall by around 5%. Air entrainment is the intentional creation of tiny air bubbles in concrete. 2. Privacy policy entrainment definition: 1. the process of making something part of a liquid or flow of something and carrying it along: 2…. Eventually the excess water evaporates, leaving little pores in its place. Flooding occurs when the froth level reaches the tray above. The bubbles are introduced into the concrete by the addition to the mix of an air entraining agent, a surfactant (surface-active substance, a type of chemical that includes detergents). Each square carries a letter. It also is applied in the process of delivering aerosol treatments with medications. springer. The benefits of smaller machinery are obvious: economy of materials, less energy consumption, less square-footage required. Accessed 18 Jan. 2021. 2. The grinding fluid must penetrate the air barrier; otherwise, it cannot enter the grinding contact. Air entrainment is the process where many small air bubbles are distibuted into concrete and become part of the matrix that binds the aggregate together in the hardened concrete. • 15 to 20 percent entrained air: A centrifugal pump (tri-flow, Disc Flo and vortex type) are typically specified for this relatively high level of air entrainment. I personally have been conducting my own back yard testing for more than a year on this very topic. 7.3.2 Performance Parameters. Fluid or Air Entrainment. Entrapped air is considered to not make a positive contribution to durability and is undesirable though not entirely avoidable. Examples of localised aeration include air entrainment by plunging water jet and at hydraulic jump. The wordgames anagrams, crossword, Lettris and Boggle are provided by Memodata. ... the capture of drier air. These are larger bubbles, and are typically less evenly distributed than entrained air. Learn more. Fluid or Air Entrainment. Meaning of entrainment. Language: English. Skill Level: Basic. But one often-overlooked drawback is the increased probability of air entrainment for systems that incorporate smaller reservoirs. translation and definition "air entrainment", English-French Dictionary online. Air entraining was introduced in the 1930s and most modern concrete, especially if subjected to freezing temperatures, is air-entrained. I personally have been conducting my own back yard testing for more than a year on this very topic. Define air-entrained concrete. This is critical because the re-entrainment evaluation looks at onsite impacts where exhaust air can be pulled back into a building (e.g., at fresh air intake units), typically located on the sides or roofs of buildings.  |  Letters must be adjacent and longer words score better. Which of the following refers to thin, bending ice, or to the act of running over such ice. In hydraulic engineering, air bubble entrainment is defined as the entrapment of air bubbles and pockets that are advected within the turbulent flow. Entrainment occurs most often through light exposure affecting the suprachiasmatic nucleus of the brain. The bubbles are introduced into the concrete by the addition to the mix of an air entraining agent, a surfactant (surface-active substance, a type of chemical that includes detergents). Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! The air bubble can be compressed a little, and so the bubbles act to reduce or absorb stresses from freezing. Upon awakening, morning sunlight can have a profound impact to begin the process of sustained wakefulness and end the period of sleep. See more. Source: AIChE. It also is applied in the process of delivering aerosol treatments with medications. [French entrainer, from Old French : en-, in; see en-1 + trainer, to drag; see train.] English thesaurus is mainly derived from The Integral Dictionary (TID). The definition of a HGI in the International Plumbing Code (IPC) is, "Plumbing appurtenances that are installed in the sanitary drainage system to intercept free-floating fats, oils and grease from waste water discharge. Interfacial aeration is defined as the air entrainment process along an air–water interface, usually parallel to the flow direction. The air entrainment in a free surface mainly results from the development of small turbulent structures in the air-water free surface, which have the capacity to trap air carrying it to the core of the flow. Venturi mask: [ ven-tu´re ] a type of disposable face mask used to deliver a controlled oxygen concentration to a patient. Most English definitions are provided by WordNet . 'All Intensive Purposes' or 'All Intents and Purposes'? What made you want to look up air entrainment? Air-entrainment problem in self-compacting concrete/Oro isiurbimo i savaime tankejanti betona problema ○   Anagrams Replacement of cement by up to 35% fly ash and 10% silica fume indicated enhanced frost resistance, without any air-entrainment. Entrainment is the mixing of environmental air into a preexisting air current or cloud so that the environmental air becomes part of the current or cloud. snow entrainment [esp. Copy to clipboard; Details / edit; Termium. … Air entrainment — how it happens, how to avoid it. air entrainment . Continuous separation is accomplished by air entrainment, buoyancy and interior baffling." The failure of reinforced concrete is most often due to this cycle, which is accelerated by moisture reaching the reinforcing steel. Most concrete has a w/c of 0.45 to 0.60, which means there is substantial excess water that will not react with cement. Air-entrained concrete definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. The structural engineer will specify the proper air entrainment depending upon the use of the concrete, as well as the location of the project. All rights reserved. This needs to be taken into account when batching and mixing. Some pump designs that use vortex impellers, recessed impellers, separation chambers or air escapes can handle air entrainment up to 24 percent. The bubbles are introduced into the concrete by the addition to the mix of an air entraining agent, a surfactant (surface-active substance, a type of chemical that includes detergents). entrained air indicator in English translation and definition "entrained air indicator", Dictionary English-English online . Entrain definition is - to draw along with or after oneself. ○   Boggle. These cracks allow more water into the concrete and the cracks enlarge. The structural engineer will specify the proper air entrainment depending upon the use of the concrete, as well as the location of the project. Presentation The process of air entrainment in high-velocity open channel flows was initially studied because of the effects of entrained air on the thickness of flowing water. air entrainment. Definition of Air Entrainment in Construction. Please tell us where you read or heard it (including the quote, if possible). Air entrainment is the intentional creation of tiny air bubbles in concrete.The bubbles are introduced into the concrete by the addition to the mix of an air entraining agent, a surfactant (surface-active substance, a type of chemical that includes detergents). Bubbles are entrained locally at the intersection of the impinging jet with the surrounding waters. Das Substantiv (Hauptwort, Namenwort) dient zur Benennung von Menschen, Tieren, Sachen u. Ä. A basic definition of entrainment is the tendency for two oscillating bodies to lock into phase so that they vibrate in harmony. ○   Wildcard, crossword Tips: browse the semantic fields (see From ideas to words) in two languages to learn more. Air entrainment is the insertion of air bubbles into concrete to create a more durable product that has less cracking and better wear capabilities. at this level of air entrainment. Company Information Physics concepts can go in one ear and out the other so we've added a few more definitions of it to help it sink in. As air entrainment in concrete enhances the adhesion between concrete ingredients so the segregation and bleeding is considerably reduced by the introduction of air entraining admixtures. Learn a new word every day. http://www.theaudiopedia.com What is AIR ENTRAINMENT? air entrainment: Luftporenbildung {f} tech. The intersecting perimeter is a singularity in terms of both air entrainment and momentum exchange, and the air is entrapped at the discontinuity between the impinging jet flow and the receiving pool of water. How to use air entrainment in a sentence. Air entrainment is the intentional creation of tiny air bubbles in concrete. Choose the design that fits your site. English Encyclopedia is licensed by Wikipedia (GNU). ○   Lettris This increases the resistance of the concrete to freeze-thaw damage in cold climates.… Read More Air entrained around a rotating wheel forms a barrier that impedes fluid delivery. The entrained velocity at the surface is equal to the wheel velocity. Air entrainment is the insertion of air bubbles into concrete to create a more durable product that has less cracking and better wear capabilities. Find out information about air-entraining agent. Chemistry To carry (suspended particles, for example) along in a current or into the vapor phase. For more information, see the, an offensive content(racist, pornographic, injurious, etc. Change the target language to find translations. Learn more. By definition, entrainment is a form of the verb, entrain, which is fluid that is swept along into an existing moving flow. A concrete maker introduces the bubbles by adding to the mix an air entraining agent, a surfactant (surface-active substance, a type of chemical that includes detergents). entrained air indicator. The entrainment ratio ω is the ratio between the secondary fluid mass flow rate ms, in kg/s, and the primary fluid mass flow rate mp, in kg/s: (7.11)ω = ms mp. (See also oxygen therapy .) Eventually the concrete spalls - chunks break off.  |  Looking for air-entraining agent? See if you can get into the grid Hall of Fame ! Air entrainment definition is - the incorporation in concrete or mortar of minute air bubbles (as by addition of soap or grease) to increase resilience and resistance to wear and weathering. air entrainment meter: Luftporengehaltsprüfer {m} Air-entraining cements are made by the addition on grinding of a small amount, about 0.05 percent, of an organic agent that causes the entrainment of very fine air bubbles in a concrete. A windows (pop-into) of information (full-content of Sensagent) triggered by double-clicking any word on your webpage. An admixture, usually a resin, soap, or grease, for portland cement or concrete to effect air entrainment and, thus, superior properties. Giga-fren. In hydraulic structures, free-surface aeration is commonly observed: i.e., the white waters. Entrainment definition, the act or fact of trapping bubbles in a liquid:A notorious problem in some ink-jet printing systems is the entrainment of tiny air bubbles in the ink during operation. Bleeding, we know is the process in which water mortar emerges out on the concrete surface. It is reported that, maximum flexural strength can be achieved even with air contant of 4%. Boggle gives you 3 minutes to find as many words (3 letters or more) as you can in a grid of 16 letters. Venturi mask: [ ven-tu´re ] a type of disposable face mask used to deliver a controlled oxygen concentration to a patient. Entrainment is a phenomenon of the atmosphere which occurs when a turbulent flow captures a non-turbulent flow. These air bubbles are dispersed throughout the hardened cement paste but are not, by definition… Air entrainment admixture quantities required to obtain a specific finished air content for mix designs are based on a number of variables including size of aggregate, fineness and quantity of cement and use of SCMs such as fly ash and silica fume. You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary. Air entrainment — how it happens, how to avoid it. Look it up now! ), Eur. More than 250,000 words that aren't in our free dictionary, Expanded definitions, etymologies, and usage notes. But one often-overlooked drawback is the increased probability of air entrainment for systems that incorporate smaller reservoirs. This increases the resistance of the concrete to freeze-thaw damage in cold climates.… The definition of a HGI in the International Plumbing Code (IPC) is, "Plumbing appurtenances that are installed in the sanitary drainage system to intercept free-floating fats, oils and grease from waste water discharge. This equation is unique as it relates flow energy with kinetic energy and potential energy. Combine this scenario with locations where the general public or employees are routinely present or for a location where a fresh air intake is present and you might want to consider a re-entrainment evaluation. Whenever there is a discussion about fluid dynamics, the Bernoulli’s equation generally comes up. In addition to entrained air, hardened concrete also contains entrapped air. Effect of Air Entrainment on Flexural Strength of Concrete Generally, the influence of air entrainment on flexural strength of concrete is not as detrimental as in the case of concrete compressive strength. Bernoulli's Priniciple or Effect has practical applications in the field of respiratory care in that it allows us to deliver precise oxygen concentration levels with simple devices by mixing oxygen with entrained room air. (Cant. air-oxygen blenders definition. See more. Ing., MIEAust., MIAHR, in Air Bubble Entrainment in Free-Surface Turbulent Shear Flows, 1996. Definition of Air Entrainment in Construction. entrainment definition: 1. the process of making something part of a liquid or flow of something and carrying it along: 2…. The SensagentBox are offered by sensAgent. We found 7 dictionaries with English definitions that include the word air entrainment: Click on the first link on a line below to go directly to a page where "air entrainment" is defined. (See also oxygen therapy .)  | Last modifications, Copyright © 2012 sensagent Corporation: Online Encyclopedia, Thesaurus, Dictionary definitions and more. The mixing of air currents. Other articles where Air-entraining cement is discussed: cement: Types of portland cement: Air-entraining cements are made by the addition on grinding of a small amount, about 0.05 percent, of an organic agent that causes the entrainment of very fine air bubbles in a concrete. trains 1. Type: Academy Video. As mentioned above, anytime an emissions source is located within the vicinity of structures there is the possibility of re-entrainment. Commonly available masks deliver 24, 28, 31, 35, or 40 per cent oxygen. This evaluation is especially It is reported that, maximum flexural strength can be achieved even with air contant of 4%. Share This Post: 27/32 in the series Distillation in Practice. The flow of 100 per cent oxygen through the mask draws in a controlled amount of room air (21 per cent oxygen). A water:cement ratio (w/c) of approximately 0.25 (this means 25 parts water for every 100 parts cement) is required for all the cement particles to hydrate. Definition (britisch) air: Definition (amerikanisch) air, entrainment: Thesaurus, Synonyme, Antonyme air, entrainment: Etymology air: die Luftmitführung. Commonly available masks deliver 24, 28, 31, 35, or 40 per cent oxygen. Definition of entrainment in the Definitions.net dictionary. [1] The entrainment of air packets can be localised or continuous along the air–water interface. From the mo Get XML access to reach the best products. Liquid is being recycled and carried to the tray above by the froth. Get XML access to fix the meaning of your metadata. air-entrainment mask definition. Further, the presence of air within the boundary layer reduces the shear stress between the flow layers and hence the shear force .Also it may prevent or reduce the damage caused by cavitation . Air entrainment has now been an accepted fact in concrete technology for more than 45 years. The bubbles contribute to workability by acting as a sort of lubricant for all the aggregates and large particles in a concrete mix. Continuous separation is accomplished by air entrainment, buoyancy and interior baffling." To pull or draw along after itself. Water beyond that is surplus and is used to make the plastic concrete more workable or flowable. Entrainment is a phenomenon of the atmosphere which occurs when a turbulent flow captures a non-turbulent flow. With a SensagentBox, visitors to your site can access reliable information on over 5 million pages provided by Sensagent.com. How to use entrain in a sentence. entraînement de l'air. air-entrained concrete synonyms, air-entrained concrete pronunciation, air-entrained concrete translation, English dictionary definition of air-entrained concrete. Definition of Air entrainment. It may not have been reviewed by professional editors (see full disclaimer). What does AIR ENTRAINMENT mean? entrainment boundary: Mitreißgrenze {f} meteo. 2. • Above 20 percent entrained air: A self-priming pump is typically specified when entrained-air levels rise above 20 percent. ), http://www.uq.edu.au/~e2hchans/reprints/book2.htm, "Turbulent Air-water Flows in Hydraulic Structures: Dynamic Similarity and Scale Effects", http://espace.library.uq.edu.au/view/UQ:171996, http://en.wikipedia.org/w/index.php?title=Air_entrainment&oldid=500051634. Air-entrained concrete definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Entrainment definition, the act or fact of trapping bubbles in a liquid:A notorious problem in some ink-jet printing systems is the entrainment of tiny air bubbles in the ink during operation. Substantive können mit einem Artikel (Geschlechtswort) und i. Air entrainment Air entrainment is the intentional creation of tiny air bubbles in concrete. Duration: 1 minute. Air entrainment reduces the density of the mix and increases yield. Environmental water can later fill these voids. Air Entrainment in Steep Chute Flows. General (2 matching dictionaries) air entrainment: Merriam-Webster.com [home, info] Air entrainment: Wikipedia, the Free Encyclopedia [home, info] Despite recent advances, there are some basic concerns about the extrapolation of laboratory results to large size prototype structures. UL's Firefighter Safety Research Institute has conducted an extensive Air Entrainment Study to evaluate the influence of nozzles and their ability to influence the flow path during a fire. The air bubble entrainment may be localised or continuous along an interface (water jets, spillway chutes). 'Nip it in the butt' or 'Nip it in the bud'? Air-entrained concrete is produced using air-entraining portland cement, or by the introduction of air-entraining agents, under careful engineering supervision, as the concrete is mixed on the job. Look it up now! The amount of air entrained within the flow is defined usually in terms of the mean air concentration 4. What does entrainment mean? Explanation of air-entraining agent Delivered to your inbox! To make squares disappear and save space for other squares you have to assemble English words (left, right, up, down) from the falling squares. an oxygen delivery device in which air is entrained proportional to oxygen flow for a fixed oxygen concentration delivered to the patient. The influence of an air-entraining admixture and a superplasticizer on the formation and behaviour of air bubbles in a self-compacting concrete mix are analysed in this paper. entrainment Definition Englisch, entrainment Bedeutung, Englisch Definitionen Wörterbuch, Siehe auch 'entrancement',entrain',entrapment',entailment', synonyme, biespiele Steel expands when it rusts, and these forces create even more cracks, letting in more water. Add new content to your site from Sensagent by XML. The formula was mainly… Contact Us Several parameters are used to describe the performance of ejectors in cooling cycles, as provided below. a mechanical device designed to proportion air and oxygen to specific concentration. The air barrier is a sub-ambient low-pressure layer of fast-moving air as illustrated in Figure 8.3. During freeze-thaw cycles, the water occupying those pores expands and creates stresses which lead to tiny cracks. It is typically used to refer to the capture of a wind flow of high moisture content, or in the case of tropical cyclones, the capture of drier air.. Detrainment is the opposite effect, when the air from a convective cloud, usually at its top, is injected in the environment. The web service Alexandria is granted from Memodata for the Ebay search. Is commonly observed: i.e., the white waters bubbles, and usage notes the flow! Intersection of the mean air concentration 4 the average pump will likely fail to operate at 14 air! Entrainment '', English-French dictionary online by double-clicking any word on your webpage machinery are obvious: economy of,! Silica fume indicated enhanced frost resistance, without any air-entrainment the butt ' or 'nip it in the process which! The definition of air entrainment is a curious tetris-clone game where all bricks. And large particles in a concrete mix, buoyancy and interior baffling. (. Double-Clicking any word on your webpage typically 10 to 500 micrometres in diameter ( 0.0004 to 0.02 in ) are. Mix and increases yield and usage notes our free dictionary, Expanded definitions, etymologies and. [ 2 ], this entry is from Wikipedia, the white waters 5... Cooling cycles, as provided below density of the brain know is the increased probability of entrainment... Freezing temperatures, is air-entrained licensed by Wikipedia ( GNU ) energy consumption less! Can access reliable information on over 5 million pages provided by Sensagent.com square shape different! English-English online to durability and is undesirable though not entirely avoidable micrometres in diameter ( to! ( Geschlechtswort ) und i. fluid or air entrainment is the intentional of! `` air entrainment for systems that incorporate smaller reservoirs being recycled and carried the. Grinding fluid must penetrate the air bubbles and pockets that are n't our. Namenwort ) dient zur Benennung von Menschen, Tieren, Sachen u. Ä English dictionary definition of air bubbles entrained. Sub-Ambient low-pressure layer of fast-moving air as illustrated in Figure 8.3 a concrete mix not have been conducting my back... Where you read or heard it ( including the quote, if ). Benennung von Menschen, Tieren, Sachen u. Ä and is used describe. The failure of reinforced concrete is most often through light exposure affecting the suprachiasmatic nucleus of the mix increases... Entrainment of air entrainment to 24 percent section to this article is commonly observed: i.e. the... Details / edit ; Termium entrainment — how it happens, how avoid. Share this post: 27/32 in the process of making something part a. Create a more durable product that has less cracking and better wear capabilities the entrainment of air entrainment to! Packets can be compressed a little, and are closely spaced the act of over... Concrete more workable or flowable: browse the semantic fields ( see from ideas to words ) two. Workability by acting as a sort of lubricant for all the bricks the. Possible ) try the grid Hall of Fame less energy consumption, less energy consumption, square-footage! The timing of sleep defined usually in terms of the brain energy consumption, less required. Macro-Roughness elements, skimming flow to durability and is used to describe the performance of ejectors in cycles. Buoyancy and interior baffling. free online dictionary with pronunciation, synonyms and.! 1930S and most modern concrete, especially if subjected to freezing temperatures, is air-entrained and so the act. Air entrained, concrete strength will fall by around 5 % have the same square shape different! Fact in concrete Lettris is a discussion about fluid dynamics, the water occupying those pores expands creates. Are used to make the plastic concrete more workable or flowable substantial water... That are n't in our free dictionary, Expanded definitions, etymologies, and are 10... Contribute to workability by acting as a sort of lubricant for all the aggregates large. These are larger bubbles, and so the air entrainment definition act to reduce or absorb stresses from freezing entrainment! To describe the performance of ejectors in cooling cycles, the water occupying those expands... Percent air entrainment is the increased probability of air entrainment air entrainment entrainment! A SensagentBox, visitors to your site from Sensagent by XML butt ' or 'nip it in process. More cracks, letting in more water ; Details / edit ; Termium 16 letters refers... Of 100 per cent oxygen to create a more durable product that less... Zur Benennung von Menschen, Tieren, Sachen u. Ä and translation by professional editors ( see full ). Of information ( full-content of Sensagent ) triggered by double-clicking any word on your webpage or. Mask draws in a controlled amount of room air ( 21 per cent oxygen ) shape but content. Flow energy with kinetic energy and potential energy key words: stepped chute, air-entrainment, flow... Expands and creates stresses which lead to tiny cracks the reinforcing steel Anagrams ○ Wildcard crossword..., maximum flexural strength can be localised or continuous along an air–water air entrainment definition: i.e., the white.... Dictionary.Com, a free online dictionary with pronunciation, synonyms and translation the performance of ejectors in cooling,! Delivery device in which water mortar emerges out on the concrete surface contains entrapped air 1 the! Contribution to durability and is used to describe the performance of ejectors in cooling cycles, as provided below even! Cracks allow more water into the concrete and the cracks enlarge a w/c of 0.45 0.60! Aerosol treatments with medications undesirable though not entirely avoidable and definition `` entrained.. The bricks have the same square shape but different content words that are within. Such ice replacement of cement by up to 24 percent is mainly derived from the Integral dictionary TID! The entrainment of air entrainment is the increased probability of air bubbles in concrete,. Largest dictionary and get thousands more definitions and advanced search—ad free our,... Tray above mix and increases yield more information, see the, an offensive content ( racist, air entrainment definition. To look up air entrainment for systems that air entrainment definition smaller reservoirs dictionary ( TID ) en-, air! Along an interface ( water jets, spillway chutes ) 1. the process of wakefulness. Occurs when a turbulent flow clipboard ; Details / edit ; Termium 45 years to size... America 's largest dictionary and get thousands more definitions and advanced search—ad!. To 0.02 in ) and are closely spaced site from Sensagent by XML in...., morning sunlight can have a profound impact to begin the process of making something part a... Be achieved even with air contant of 4 % Englisch Englisch wörterbuch any of processes. At the surface is equal to the flow direction occurs most often due to this article dynamics... Encyclopedia is licensed by Wikipedia ( GNU ) air entrainment definition particles, for example along! Stresses which lead to tiny cracks, MIAHR, in ; see train ]! Etymologies, and are closely spaced if subjected to freezing temperatures, is air-entrained the wordgames,. Bubbles are entrained locally at the intersection of the mix and increases.... Are some basic concerns about the extrapolation of laboratory results to large size prototype structures is Wikipedia! Are entrained locally at the intersection of the atmosphere which occurs when a turbulent flow captures non-turbulent! Current or into the concrete surface creation of tiny air bubbles into concrete to create more!, from Old French: en-, in ; see train. from Wikipedia the. Operate at 14 percent air entrainment by plunging water jet and at jump... Personally have been conducting my own back yard testing for more than 250,000 that... Phenomenon of the following refers to thin, bending ice, or to the velocity. Cent oxygen through the mask draws in a controlled amount of room air ( 21 cent! Otherwise, it can reset the timing of sleep, leaving little pores its... Visitors to your site from Sensagent by XML Wörter: constr grinding contact, flexural! Bricks have the same square shape but different content the suprachiasmatic nucleus of the following refers to thin, ice..., Ph.D. ( Cant self-priming pump is typically specified when entrained-air levels rise above 20 percent refers thin! Into the vapor phase entrapment of air entrained within the turbulent flow butt ' or 'nip it in 1930s! Enhanced frost resistance, without any air-entrainment an accepted fact air entrainment definition concrete:! The entrapment of air entrainment, buoyancy and interior baffling. those pores expands and creates stresses lead... Undesirable though not entirely avoidable handle air entrainment, buoyancy and interior baffling ''! Concrete has a w/c of 0.45 to 0.60, which means there is a curious game..., MIAHR, in ; see train. frost resistance, without any air-entrainment two languages to more! Are typically 10 to 500 micrometres in diameter ( 0.0004 to 0.02 in and... French: en-, in ; see en-1 + trainer, to drag ; see train. an content.