Zobrazeno 1 - 10
of 412
pro vyhledávání: '"Cryogenic engineering"'
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 739-752 (2024)
The prolonged mechanical performance degradation and failure of elastic components in mechanical systems can pose significant safety risks and disrupt related operations. While helical compression springs' mechanical behavior and failure mechanisms a
Externí odkaz:
https://doaj.org/article/8fea55b209f74b00be8d435bdc8b4692
Autor:
Songchun Li, M. Zaheeruddin
Publikováno v:
International Journal of Air-Conditioning and Refrigeration, Vol 32, Iss 1, Pp 1-20 (2024)
Abstract In this paper, a neuro-adaptive PI control strategy for a water-cooled centrifugal chiller system is developed, and its control performance is examined. The system model consists of a flooded evaporator, a flooded condenser, a centrifugal co
Externí odkaz:
https://doaj.org/article/2fea63a4506b4d5fb1555772e4a40c0a
Publikováno v:
International Journal of Air-Conditioning and Refrigeration, Vol 32, Iss 1, Pp 1-9 (2024)
Abstract This study involves the collection of data from 10 different articles to develop experimental-based models for predicting the condensation heat transfer and the frictional pressure drop. The dataset comprises a total of 1168 condensation hea
Externí odkaz:
https://doaj.org/article/da558efd024d407d91a79de4cf276423
Autor:
Sumit Kumar Singh, Jong Suk Lee
Publikováno v:
International Journal of Air-Conditioning and Refrigeration, Vol 32, Iss 1, Pp 1-11 (2024)
Abstract This study investigates the utilization of Al2O3 nanofluids in an Active Magnetic Regenerative (AMR) system, focusing on varying nanoparticle concentrations from 0.01 to 1.0%. Numerical modelling is used to analyze the effects of nanoparticl
Externí odkaz:
https://doaj.org/article/ae5e6e1c33de4ec7a3780ce28f59ce57
Publikováno v:
International Journal of Air-Conditioning and Refrigeration, Vol 32, Iss 1, Pp 1-14 (2024)
Abstract Thermoacoustic air-to-water air source heat pumps (TAWASHP) are the eco-friendly, simple, compressor less, low cost and likely looking future substitute for the existing compressor-based heat pumps. In this work, the design optimization of t
Externí odkaz:
https://doaj.org/article/72fe7eb5f0ca4b948d27615170681935
Publikováno v:
International Journal of Air-Conditioning and Refrigeration, Vol 32, Iss 1, Pp 1-13 (2024)
Abstract The main focus of this study is the transmission of SARS-CoV-2 through virus-laden aerosols in enclosed spaces that utilize ceiling fans. The impact of an air circulation of ceiling fans on virus transmission is not clear. Computational mode
Externí odkaz:
https://doaj.org/article/a76248c41621441aa141bcf9fc169edb
Autor:
Jong Suk Lee, Sa Ryang Kim, Joon Shin, Kyeong Soo Yun, Chang Hoon Kim, Gwang Jun Je, Hyoung Il Choi, Liang Chen
Publikováno v:
International Journal of Air-Conditioning and Refrigeration, Vol 32, Iss 1, Pp 1-12 (2024)
Abstract Hydrogen emerges as a promising alternative energy source, particularly in fuel cell applications, necessitating efficient and safe charging and storage systems. This paper presents the design and development of a specialized regulator tailo
Externí odkaz:
https://doaj.org/article/126c53441b0d4802812ac0df06fbc139
Publikováno v:
International Journal of Air-Conditioning and Refrigeration, Vol 32, Iss 1, Pp 1-15 (2024)
Abstract In this paper, the performance of a parallel two-stage compression (PTC) cycle on the domestic refrigerator-freezer in a laboratory according to the IEC 62552–2015 standard is investigated. The relatively large temperature difference betwe
Externí odkaz:
https://doaj.org/article/702c063b38514ca6b0f7829d52d435fc
Autor:
Joon Ahn
Publikováno v:
International Journal of Air-Conditioning and Refrigeration, Vol 32, Iss 1, Pp 1-9 (2024)
Abstract The objective of this study is to design a heat-recovery boiler for a 1 MW-class gas engine-based cogeneration system intended to recover heat from engine exhaust gas. To accommodate high-pressure applications, a water tube-type boiler is se
Externí odkaz:
https://doaj.org/article/ed34b75e7cc14cf084308865822c1d3a
Autor:
Yoon Jei Hwang, Noma Park
Publikováno v:
International Journal of Air-Conditioning and Refrigeration, Vol 32, Iss 1, Pp 1-17 (2024)
Abstract Virtual product design (VPD) of the refrigeration cycle has long been a major subject of many engineers and manufacturers. Issues should be the question of how simulation gets close to the real world in virtual ways. It is especially true wh
Externí odkaz:
https://doaj.org/article/d313a0d1dc4b4b68a563380874528b7b