• Air entrainment in concrete is the intentional creation of tiny air bubbles in a batch by adding an air entraining agent during mixing. A form of surfactant...
    17 KB (2,214 words) - 00:40, 10 July 2024
  • Look up entrainment or entrain in Wiktionary, the free dictionary. Entrainment may refer to: Air entrainment, the intentional creation of tiny air bubbles...
    1 KB (197 words) - 04:26, 27 April 2023
  • Thumbnail for Venturi mask
    The venturi mask, also known as an air-entrainment mask, is a medical device to deliver a known oxygen concentration to patients on controlled oxygen...
    5 KB (538 words) - 15:08, 21 June 2024
  • the air–water interface. Examples of localised aeration include air entrainment by plunging water jet and at hydraulic jump. Bubbles are entrained locally...
    2 KB (220 words) - 19:58, 17 August 2020
  • See entrainment for other types. In engineering, entrainment is the entrapment of one substance by another substance. For example: The entrapment of liquid...
    1 KB (132 words) - 13:37, 6 February 2024
  • Thumbnail for Hydraulic jump
    happens, the jump can be accompanied by violent turbulence, eddying, air entrainment, and surface undulations, or waves. There are two main manifestations...
    32 KB (4,010 words) - 11:42, 24 December 2023
  • Thumbnail for Meteorological history of Hurricane Harvey
    becoming a hurricane in the afternoon of August 24. Despite some dry air entrainment halting the intensification process for the rest of the day, Harvey...
    37 KB (4,079 words) - 11:23, 17 May 2024
  • Thumbnail for Hurricane Lee (2023)
    began to encounter increasing southwesterly shear coupled with dry air entrainment and weakened to Category 2 strength. Despite this, Lee continued to...
    48 KB (4,805 words) - 21:34, 24 May 2024
  • Thumbnail for Fly ash brick
    and cured for 24 hours in a 66 °C steam bath, then toughened with an air entrainment agent, the bricks can last for more than 100 freeze-thaw cycles. Owing...
    8 KB (1,041 words) - 11:38, 17 July 2024
  • Thumbnail for Entrainment (meteorology)
    parameterization for turbulent entrainment-mixing processes in clouds. J. Geophys. Res., 118, 185-194. Stommel, H. Entrainment of air into a cumulus cloud. Journal...
    6 KB (856 words) - 18:10, 27 December 2023
  • Thumbnail for Portland cement
    difference is that in Ia, IIa, and IIIa, an air-entraining agent is ground into the mix. The air-entrainment must meet the minimum and maximum optional...
    43 KB (5,031 words) - 08:58, 9 July 2024
  • Thumbnail for Concrete
    interconnected air voids totaling approximately 15 to 25 percent. Water runs through the voids in the pavement to the soil underneath. Air entrainment admixtures...
    118 KB (13,478 words) - 20:50, 7 July 2024
  • Thumbnail for 2010 Atlantic hurricane season
    west-northwest, a nearby upper-level low imparted high wind shear and dry air entrainment, and the depression degenerated into a remnant low twelve hours later...
    132 KB (12,830 words) - 20:30, 8 July 2024
  • Thumbnail for Cavitation
    installed for some years, the mechanisms of air entrainment at the aerators and the slow movement of the air away from the spillway surface are still challenging...
    75 KB (9,388 words) - 00:31, 13 July 2024
  • Thumbnail for 2023–24 Australian region cyclone season
    eye becoming cloud-filled and the deep convection eroding due to dry air entrainment. Jasper would reintensify, and at 12:00 UTC on 13 December, made landfall...
    125 KB (11,203 words) - 16:01, 2 July 2024
  • Thumbnail for Gabion
    Machine Wüthrich, Davide; Chanson, Hubert (September 2014). "Hydraulics, Air Entrainment, and Energy Dissipation on a Gabion Stepped Weir". Journal of Hydraulic...
    12 KB (1,459 words) - 19:23, 8 July 2024
  • Thumbnail for Thickening agent
    bubbles, which continue to be a benefit during paint application. Air entrainment during mixing is not unique to PVA—in fact hardly a formula for paint...
    18 KB (2,340 words) - 21:11, 15 July 2024
  • Thumbnail for Hurricane Zeta
    northern coast of the peninsula on October 27. After weakening due to dry air entrainment, Zeta reorganized and became a hurricane again, and eventually a Category 2...
    56 KB (5,709 words) - 21:48, 8 July 2024
  • Thumbnail for Types of concrete
    incorporates stable air bubbles to create a lightweight and highly insulating product. Unlike air-entrained concrete, which introduces tiny air bubbles through...
    47 KB (5,832 words) - 23:55, 10 July 2024
  • Thumbnail for 2023 Atlantic hurricane season
    later in the day. As the hurricane pushed northward, continued drier air entrainment and increasingly strong southerly wind shear displaced Lee's convection...
    168 KB (14,951 words) - 08:41, 16 July 2024
  • Entrainment is the transport of fluid across an interface between two bodies of fluid by a shear-induced turbulent flux. Entrainment is important in turbulent...
    3 KB (395 words) - 15:07, 4 June 2024
  • Thumbnail for Drywall
    was developed additionally as a measure of fire resistance. Later air entrainment technology made boards lighter and less brittle, and joint treatment...
    33 KB (4,199 words) - 06:45, 13 July 2024
  • Thumbnail for Defoamer
    the air-liquid surface where it destabilizes the foam lamellas. This causes rupture of the air bubbles and breakdown of surface foam. Entrained air bubbles...
    12 KB (1,561 words) - 15:07, 11 June 2024
  • van Heerwaarden, C. C.; et al. (2009). "Interactions between dry-air entrainment, surface evaporation and convective boundary layer development". Quarterly...
    12 KB (1,589 words) - 19:20, 12 February 2024
  • Thumbnail for Air door
    moves with a velocity and angle such that any air that tries to penetrate the curtain is entrained. Air curtain effectiveness in preventing infiltration...
    10 KB (1,383 words) - 15:00, 15 July 2024
  • Thumbnail for Raven Rock Mountain Complex
    Center) for a new deep underground C2 center with >3 mi (4.8 km) of air entrainment tunnels (cancelled in 1979.)[citation needed] After the 2001 September...
    37 KB (3,996 words) - 16:50, 18 June 2024
  • Thumbnail for Hurricane Earl (2022)
    hurricane, Earl's inner core was repeatedly interrupted due to dry air entrainment and it fluctuated in strength the following day while passing well...
    18 KB (1,753 words) - 02:09, 15 June 2024
  • Thumbnail for Cyclone Jasper
    eye becoming cloud-filled and the deep convection eroding due to dry air entrainment. Jasper managed to maintain its intensity while battling unfavorable...
    47 KB (4,313 words) - 23:39, 15 June 2024
  • van Heerwaarden, C. C.; et al. (2009). "Interactions between dry-air entrainment, surface evaporation and convective boundary layer development". Quarterly...
    12 KB (1,592 words) - 14:25, 7 March 2024
  • Thumbnail for 2020 Atlantic hurricane season
    early on September 13, about 415 mi (670 km) southeast of Bermuda. Dry air entrainment gave the storm a somewhat ragged appearance, but Paulette continued...
    254 KB (24,650 words) - 21:07, 8 July 2024