Dynamic Behavior of Aircraft Cabin and Air Conditioning System

Turcio, Wallace; Neto, Alberto Hernandez

doi:10.4271/2003-01-2397

Cited by 1 publication

(1 citation statement)

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“…This is because on a high-altitude flight, the cabin relative humidity is lower than on ground (between 15% and 20%), the mean radiant temperature is lower than the air temperature, and the air density is lower than 1.18kg/m 3 . In this case, for the same level of comfort on flights at high altitude, the dry bulb temperature inside the cabin should be higher than that in a commercial building environment (35) . This fact can directly affect the air conditioning design in terms of required heat load for both heating and cooling at different altitudes and consequently the selection of the air conditioning system.…”

Section: Conceptual Design Phase and System Selection Criteriamentioning

confidence: 99%

Air conditioning systems for aeronautical applications: a review

et al. 2019

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This paper presents a review of the various aeronautical air conditioning systems that are currently available and discusses possible system configurations in the context of the aeronautical environmental control systems. Descriptions of the standard vapor compression cycle and air cycles are provided. The latter includes, simple-cycle, bootstrap-cycle, simple-bootstrap cycle (3-wheel) and condensing cycle (4-wheel). Water separation and air recirculation systems are also explored. A comparison between vapor compression cycles and air cycles is provided, as well as a comparison between different air cycles. Air cycle units are far less efficient than vapor compression cycle units, but they are lighter and more reliable for an equivalent cooling capacity. Details regarding the aircraft conceptual design phase along with general criteria for the selection of an air conditioning system are provided. Additionally, industry trends and technological advances are examined. Conclusions are compiled to guide the systems engineer in the search for the most appropriate design for a particular application.

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Section: Conceptual Design Phase and System Selection Criteriamentioning

confidence: 99%