Accession Number : AD0477492


Title :   DETAILED ENGINEERING DESIGN THERMOELECTRIC ENVIRONMENTAL CONTROL UNIT


Descriptive Note : Design rept. (Final)


Corporate Author : GARRETT CORP LOS ANGELES CA AIRESEARCHMFG DIV


Personal Author(s) : Bertrem, Colvin J


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/477492.pdf


Report Date : 12 Nov 1965


Pagination or Media Count : 91


Abstract : This report describes a detailed engineering design of a thermoelectric environmental control unit (ECU). The ECU is a complete self- supporting unit that requires only a 115 vac, 3 phase, 60 or 400 cycle electrical power input. Besides the thermoelectric heat exchanger, the ECU has an ac to dc power converter, a 60 to 400 cycle frequency inverter, a thermal control system, a malfunction detection and protection system, 3 fans and a master control panel that can be removed for remote operation. At design point, the ECU has a cooling capacity of two refrigeration tons (24,000 Btu/hr). A requirement was to design a unit with an overall operational system coefficient of performance (COP) of one or greater at design point. The report describes an ECU with a system COP of 1.10. The ECU is an air to air unit designed for ground operation.


Descriptors :   *AIR CONDITIONING EQUIPMENT , *THERMOELECTRICITY , TEMPERATURE , PERFORMANCE(ENGINEERING) , ELECTRONIC EQUIPMENT , FAILURE , HEAT EXCHANGERS , COOLING , MAINTAINABILITY , POWER SUPPLIES , DIRECT CURRENT , FREQUENCY CONVERTERS


Subject Categories : Electricity and Magnetism


Distribution Statement : APPROVED FOR PUBLIC RELEASE