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During winter months, for example, an air conditioning register can be closed to prevent cold air from being pulled from the room. This allows the hot air to mix more completely with the cold air in the room, improving the efficiency of the HVAC system. [7] (The return should be efficient enough to draw off the cooler air.) [10] [11]
To create low-velocity air movement in the occupied portion of room Accomplish the above while producing the minimum amount of noise When possible, dampers, extractors, and other flow control devices should not be placed near diffusers' inlets (necks), either not being used at all or being placed far upstream.
Displacement ventilation systems supply air directly to the occupied zone.The air is supplied at low velocities to cause minimal induction and mixing. This system is used for ventilation and cooling of large high spaces, such as auditorium and atria, where energy may be saved if only the occupied zone is treated rather than trying to control the conditions in the entire space.
The premiere episode of Blood, Sweat and Heels ranked as a network best for a series premiere on Bravo at that time, averaging 2.5 million viewers and 1.4 million in the adults 18-49 viewership demo. [4] The cast of the first season included Melyssa Ford, Demetria Lucas, Brie Bythewood, Mica Hughes, Daisy Lewellyn, and Geneva S. Thomas. [1]
The gas-cooling throttling process is commonly exploited in refrigeration processes such as liquefiers in air separation industrial process. [ 7 ] [ 8 ] In hydraulics, the warming effect from Joule–Thomson throttling can be used to find internally leaking valves as these will produce heat which can be detected by thermocouple or thermal ...
Top: Lateral view; the red circles mark the front air dam/splitter and rear diffuser. Bottom: Rear. A diffuser, in an automotive context, is a shaped section of the car rear which improves the car's aerodynamic properties by enhancing the transition between the high-velocity airflow underneath the car and the much slower freestream airflow of the ambient atmosphere.
The Pratt & Whitney J75 (civilian designation: JT4A) is an axial-flow turbojet engine first flown in 1955. A two-spool design in the 17,000 lbf (76 kN) thrust class, the J75 was essentially the bigger brother of the Pratt & Whitney J57 (JT3C).
"The Splendid Source" is the 19th episode of the eighth season of the animated comedy series Family Guy. Directed by Brian Iles and written by Mark Hentemann , the episode originally aired on Fox in the United States on May 16, 2010.