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Air cycle machines were first developed in the 19th century for providing chilling on ships. The technique is a reverse Brayton cycle (the thermodynamic cycle of a gas turbine engine) and is also known as a Bell Coleman cycle or "Air-Standard Refrigeration Cycle".
A compressor map is a chart which shows the performance of a turbomachinery compressor.This type of compressor is used in gas turbine engines, for supercharging reciprocating engines and for industrial processes, where it is known as a dynamic compressor.
The sailing ship Dunedin, the world’s first major refrigerated ship, using the Bell-Coleman process Bell-Coleman refrigerator compressor. Joseph James Coleman FRSE (often referred to simply as J. J. Coleman) (1838–1888) is credited with invention of a mechanical dry-air refrigeration process first used in the sailing ship ‘’Dunedin’’ and sometimes referred to (as a ship type) as ...
Compressible flow (or gas dynamics) is the branch of fluid mechanics that deals with flows having significant changes in fluid density.While all flows are compressible, flows are usually treated as being incompressible when the Mach number (the ratio of the speed of the flow to the speed of sound) is smaller than 0.3 (since the density change due to velocity is about 5% in that case). [1]
All modern air conditioning systems, even small window package units, are equipped with internal air filters. [citation needed] These are generally of a lightweight gauze-like material, and must be replaced or washed as conditions warrant. For example, a building in a high dust environment, or a home with furry pets, will need to have the ...
The DC-10 used Honeywell's digital air data system in 1969 [13] and the F-14 CADC used on the F-14 in 1970 used custom integrated circuits. From the late 1980s much of the USAF and USN aircraft fleets were retrofitted with the GEC Avionics Rochester-developed Standard Central Air Data Computer (SCADC).
Here, Mach 4 flow over a pitot probe is observed by schlieren optics in the Penn State Supersonic Wind Tunnel. The flow direction is left-to-right. The flow direction is left-to-right. A supersonic wind tunnel is a wind tunnel that produces supersonic speeds (1.2< M <5) The Mach number and flow are determined by the nozzle geometry.
ICP is a Carrier subsidiary. ICP makes oil and gas furnaces, heat pumps, and central air-conditioning systems for residential and commercial customers. [1] It manufacturers, markets, and sells residential heating and cooling systems under the Arcoaire, Comfortmaker, Day & Night, Heil, KeepRite, Lincoln, and Tempstar brands; its commercial units, with up to 25 tons of cooling capacity, are sold ...