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primary air-conditioning unit

См. также в других словарях:

  • Solar air conditioning — refers to any air conditioning (cooling) system that uses solar power. This can be done through passive solar, photovoltaic conversion (sun to electricity), or solar thermal energy conversion. The U.S. Energy Independence and Security Act of… …   Wikipedia

  • Air pollution — from World War II production Smog over …   Wikipedia

  • Air handler — An air handling unit; air flow is from the right to left in this case. Some AHU components shown are: 1 Supply duct 2 Fan compartment 3 Vibration isolator ( flex joint ) 4 Heating and/or cooling coil 5 Filter compartment 6 Mixed (recirculated +… …   Wikipedia

  • Air cycle machine — An air cycle machine (ACM) is the refrigeration unit of the environmental control system used in pressurized turbine powered aircraft. Normally an aircraft has two to three of these machines arranged in a system called a pack . The cooling… …   Wikipedia

  • United States Air Force Pararescue — Pararescuemen (AFSC 1T2X1), also called PJs (a nickname pronounced pee jays ), are United States Air Force Special Operations Command (AFSOC) and Air Combat Command (ACC) operatives tasked with recovery and medical treatment of personnel in… …   Wikipedia

  • Indoor air quality — (IAQ) is a term referring to the air quality within and around buildings and structures, especially as it relates to the health and comfort of building occupants. IAQ can be affected by microbial contaminants (mold, bacteria), gases (including… …   Wikipedia

  • Auxiliary power unit — An auxiliary power unit (APU) is a device on a vehicle whose purpose is to provide energy for functions other than propulsion. Different types of APU are found on aircraft, as well as on some large ground vehicles.AircraftFunctions of APU The… …   Wikipedia

  • Constant air volume — (CAV) is a type of heating, ventilating, and air conditioning (HVAC) system. In a simple CAV system, the supply air flow rate is constant, but the supply air temperature is varied to meet the thermal loads of a space.[1] Most CAV systems are… …   Wikipedia

  • Variable air volume — (VAV) is a technique for controlling the capacity of a heating, ventilating, and/or air conditioning (HVAC) system. The simplest VAV system incorporates one supply duct that, when in cooling mode, distributes approximately convert|55|F supply air …   Wikipedia

  • Bon Air, Virginia — Infobox Settlement official name = Bon Air, Virginia settlement type = CDP nickname = motto = imagesize = image caption = image mapsize = 250px map caption = Location of Bon Air, Virginia mapsize1 = map caption1 = subdivision type = Country… …   Wikipedia

  • Saturn V Instrument Unit — The Saturn V Instrument Unit is a ring shaped structure fitted to the top of the Saturn V rocket s third stage (S IVB) and the Saturn IB s second stage (S IVB). It was immediately below the SLA (Spacecraft/Lunar Module Adapter) panels that… …   Wikipedia

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