Results 61 to 70 of about 4,794 (176)

Study of water recovery and solid waste processing for aerospace and domestic applications. Volume 2: Final report [PDF]

open access: yes
The manner in which current and advanced technology can be applied to develop practical solutions to existing and emerging water supply and waste disposal problems is evaluated. An overview of water resource factors as they affect new community planning,
Guarneri, C. A., Reed, A., Renman, R. E.
core   +1 more source

Research Progress on High-Temperature Auto-Cascade Heat Pumps

open access: yesZhileng xuebao
High-temperature auto-cascade heat pumps exhibit a simple and compact structure and reliable operating performance and can achieve heating at relatively high temperatures.
Cao Jiaxu Rui Shengjun Feng Tingkang Zhou Luyao He Tao
doaj  

Energy performance assessment of an auto-cascade cycle for ultra-low temperatures with the pair R1150 - R600a [PDF]

open access: yes
Grant TED2021-130162B-I00 funded by MCIN/AEI/ 10.13039/501100011033 and by “ERDF A way of making Europe” by the “European Union”. Project PID2021–126926OB-C21, funded by the Spanish Ministry of Science and Innovation.
Calleja-Anta, Daniel   +3 more
core   +1 more source

Performance simulation of three-stage auto-cascade refrigeration system based on R1234yf/R116/R14 mixed refrigerant

open access: yesZhileng xuebao
In order to study the performance of the new environment-friendly refrigerant mixture, chemical simulation software was used in this study to simulate the compressor exhaust temperature, compression work, evaporator evaporation temperature, system ...
LIU Yang   +3 more
doaj  

Performance Simulation of Three-Stage Auto-Cascade Refrigeration System Based on R1234yf/R116/R14 Refrigerant Mixture

open access: yesZhileng xuebao
To study the performance of a new environmentally friendly refrigerant mixture, the simulation software Aspen Plus was used to simulate the compressor discharge temperature, compression work, evaporating temperature, system cooling capacity, and COP of ...
Liu Yang Rui Shengjun Cao Jiaxu He Tao
doaj  

Aeronautical Engineering: A continuing bibliography, supplement 120 [PDF]

open access: yes
This bibliography contains abstracts for 297 reports, articles, and other documents introduced into the NASA scientific and technical information system in February ...

core   +1 more source

Effect of Hypoxic Blood Infusion on Pulmonary Physiology. [PDF]

open access: yesFront Physiol, 2022
Pittman RN, Yoshida T, Omert LA.
europepmc   +1 more source

Project for the analysis of technology transfer Quarterly report, 1 Jul. - 30 Sep. 1969 [PDF]

open access: yes
Research activities in technology transfer ...
Coddington, D. C.   +3 more
core   +1 more source

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