Results 81 to 90 of about 6,892 (227)

Theoretical analysis and experimental validation of optimal vapor injection conditions for a low-pressure ratio scroll compressor

Case Studies in Thermal Engineering
This study investigates the impact of vapor injection parameters and positions on the performance of a low-pressure ratio scroll compressor in electric vehicle thermal management systems under extremely low temperatures.
Kang Li, Chunyu Li, Jian Cao, Ni Liu, Hua Zhang, Binlin Dou, Ran Tu, Qize He, Lin Su, Xuejin Zhou   +9 more
doaj   +1 more source

Analysis of Tangential Leakage Flow Characteristics in a Variable Diameter Dual Circular Arc Vortex Compressor

Applied Sciences
(1) To address issues such as a low compression ratio and severe leakage in uniform wall thickness vortex compressors, this paper adopts a new scroll compressor model with a variable diameter double arc combined profile, which has a larger pressure ratio
Lei Huang, Changming Qiu, Yu Wang, Mengqi Wu, Shuai Ren, Changdong Miao   +5 more
doaj   +1 more source

Identifying the performance and losses of a scroll compressor with vapour injection and R1234ze(E). [PDF]

Open Res Eur, 2022
Meramveliotakis G, Kosmadakis G, Karellas S.   +2 more
europepmc   +1 more source

Performance of a low-pressure-ratio centrifugal compressor with four diffuser designs [PDF]

A low-pressure-ratio centrifugal compressor was tested with four different diffuser configurations. One diffuser had airfoil vanes. Two were pipe diffusers. One pipe diffuser had 7.5 deg cone diffusing passages.
Klassen, H. A.
core   +1 more source

Exergy Analysis and Thermodynamic Model for Reciprocating and Scroll Compressors Used in an Air Conditioning Packaged Unit

Journal of Engineering and Sustainable Development, 2014
An exegetical thermodynamic model was used to analyze and optimize reciprocating and scroll compressors of an air condition packaged unit. The experimental work was carried out using a 3.0 TR packaged unit manufactured by Carrier Company.
Sabah Tarik Ahmad, Wahid S. Mohammad, Louay Abd-Alazez Mahdi   +2 more
doaj  

Design Manufacture and Performance Test of a Reciprocating Refrigeration Compressor

Hittite Journal of Science and Engineering, 2018
The first generation of refrigeration compressors is reciprocating type compressors, the second generation is scroll type, and the third generation is screw type compressors that are available on the market.
Deniz Uzunsoy, Hüseyin Lekesiz, Yusuf Ali Kara, Mustafa Gürkan Aydeniz   +3 more
doaj   +1 more source

Advanced turbocharger design study program [PDF]

The advanced Turbocharger Design Study consisted of: (1) the evaluation of three advanced engine designs to determine their turbocharging requirements, and of technologies applicable to advanced turbocharger designs; (2) trade-off studies to define a ...
Culy, D. G., Heldenbrand, R. W., Richardson, N. R.   +2 more
core   +1 more source

Earth Anxieties: A Coda

American Anthropologist, Volume 128, Issue 1, Page 237-238, March 2026.
Susan Lepselter
wiley   +1 more source

Research on the characteristics of dual-temperature heat pump based on refrigerant leakage [PDF]

Journal of Hebei University of Science and Technology
In order to meet the demand for dual-temperature heating in production and life, a dual-temperature heat pump system based on refrigerant leakage was proposed. By establishing and verifying the mathematical model and system model of the scroll compressor
Diankang WU, Fenglei LI, Xiutian WANG, Baocun DU   +3 more
doaj   +1 more source

Inspection of two Brayton rotating units after extensive endurance testing [PDF]

A system was designed to produce 2-10 kW net continuous electric power for at least 5 years. The turbine-alternator-compressor power conversion unit in the system is designated Brayton Rotating Unit (BRU).
Dunn, J. H.
core   +1 more source