Results 101 to 110 of about 6,892 (227)

DEVELOPMENT OF A SCROLL COMPRESSOR MODEL FOR PROPANE

open access: yes, 2012
International audienceHydrocarbons are today considered as promising alternative substances because of their low environmental impact and their easy implementation in heat pumps. The heat pumping technology is similar to that of HFCs.
Byrne, Paul   +2 more
core   +1 more source

High Efficiency Inverter Scroll Compressors

open access: yes, 2016
We have developed 8HP ~ 20HP high efficiency and high reliability , high-pressure dome type inverter scroll compressors , which are for the building air conditioning use,  to meet the recent increasing energy-saving demand. In addition to the traditional technology, which we employed to achieve high efficiency and high reliability, such as, -The high-
Murakami, Yasuhiro   +5 more
openaire   +1 more source

Upgrades to the International Space Station Urine Processor Assembly [PDF]

open access: yes, 2019
The ISS Urine Processor Assembly (UPA) began operations in November 2008. Though the UPA has successfully generated distillate from crew urine, several modifications and upgrades have been implemented to improve overall system performance throughout the ...
Carter, Layne   +5 more
core   +1 more source

Refrigeration, air conditioning, and warm air heating equipment : 2009 [PDF]

open access: yes, 2010
Current industrial report. Contains annual data for refrigeration, air conditioning, and warm air heating equipment produced in the United ...

core  

New Modeling of Current and Power Efficiency for Scroll Compressor

open access: yesZhileng xuebao, 2007
A new formula for compressor current was proposed by revision of the conventional formula and a formula for the calculation of the compressor power efficiency was also proposed.
Hu Jian, Wen Hang, Gu Bo
doaj   +2 more sources

High Performance Turboalternator and Associated Hardware. 1 - Design of Turboalternator [PDF]

open access: yes
Performance of two stage axial flow turbogenerator with gas bearing rotor support ...
Cohen, R., Gilroy, W. K., Spencer, W. B.
core   +1 more source

An Evaluation of Heat Exchangers Using System Information and PEC [PDF]

open access: yes, 2000
This report describes analyses aimed at integrating component optimization and system design by developing heat-exchanger performance evaluation criteria (PEC) that account for the system-level performance impacts of heat exchanger design. It builds on
Bullard, C.W., Jacobi, A.M., Pira, J.V.
core  

Mars Oxygen ISRU Experiment (MOXIE)-Preparing for human Mars exploration. [PDF]

open access: yesSci Adv, 2022
Hoffman JA   +23 more
europepmc   +1 more source

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