Zobrazeno 1 - 10
of 110
pro vyhledávání: '"Yuanyang Zhao"'
Publikováno v:
Nuclear Engineering and Technology, Vol 55, Iss 8, Pp 2812-2822 (2023)
The supercritical carbon dioxide (sCO2) Brayton power cycle is more effective than the conventional power cycle and is more widely applicable to heat sources. The inlet working conditions of the compressor have a higher influence on their operating p
Externí odkaz:
https://doaj.org/article/c56a091c35144a5ca0b5a638fe22fcc6
Publikováno v:
Aerospace, Vol 11, Iss 5, p 399 (2024)
During the sea launch of a launch vehicle in low sea state, a rolling phenomenon of the launch vehicle has been observed. In rough sea conditions, launch may failure. This study utilizes dimensionality reduction-driven spatial system projection metho
Externí odkaz:
https://doaj.org/article/7e271024f4e046d38d37c909cea0ab5c
Research on performance of refrigeration centrifugal compressor with gas bearings for water chillers
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 5562-5569 (2022)
As an important device for water chillers, the centrifugal refrigeration compressor with gas bearings has new features compared with traditional oil and magnetic bearings. It is an important development direction for water chillers and needs to be st
Externí odkaz:
https://doaj.org/article/4825d4e678af4d85ab80722611035d80
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 1757-1767 (2022)
This paper proposes a NH3/CO2 cascade refrigeration system that sets an auxiliary refrigeration loop in the high-temperature cycle to increase the subcooling degree in the low-temperature cycle (CRSS). Based on the basic principles of thermodynamics,
Externí odkaz:
https://doaj.org/article/3fb549c8e30d42389b4d775ee20c932d
Publikováno v:
Energy Science & Engineering, Vol 10, Iss 1, Pp 208-218 (2022)
Abstract Air supply systems are essential subsystems in proton exchange membrane (PEM) fuel cell systems. Compressors are the key devices of air supply systems that greatly influence the characteristics of fuel cells. The simulation and experimental
Externí odkaz:
https://doaj.org/article/7a7e6ba8f8c74e75bcdce336ae318da1
Publikováno v:
Energies, Vol 16, Iss 1, p 115 (2022)
Because of the limitations of traditional refrigerants, the application of trans-critical CO2 technology in domestic gas conditioners and other fields is becoming increasingly popular. This paper proposes a new CO2 trans-critical refrigeration system
Externí odkaz:
https://doaj.org/article/27e6900acc9d4d3293dea94b978cb5c9
Publikováno v:
Frontiers in Public Health, Vol 9 (2022)
Background: Hypopharyngeal squamous cell carcinomas (HPSCC) is one of the causes of death in elderly patients, an accurate prediction of survival can effectively improve the prognosis of patients. However, there is no accurate assessment of the survi
Externí odkaz:
https://doaj.org/article/79e4487cf3a444288b238f4898d0f8db
Publikováno v:
Energies, Vol 15, Iss 7, p 2552 (2022)
With the increasing global requirements for environmental protection, refrigerants with ODP of 0 and low GWP are widely concerned and applied. In this paper, the CFD numerical method simulates the R134a centrifugal compressor directly replaced by R12
Externí odkaz:
https://doaj.org/article/12ec1d15c14b4bb88ab342d3eb8377d2
Publikováno v:
Case Studies in Thermal Engineering, Vol 21, Iss , Pp 100712- (2020)
The power system using carbon dioxide (CO2) as the working fluid has been the research hotspot due to its high performance and potential for use in many energy fields. In this paper, the difference of compression processes between supercritical CO2 (
Externí odkaz:
https://doaj.org/article/70a5b45491d4402bb1f47d08229003aa
Publikováno v:
Engineering Applications of Computational Fluid Mechanics, Vol 12, Iss 1, Pp 152-168 (2018)
In order to realize the numerical analysis of aerodynamic damping for the centrifugal impellers, a numerical code integrating the flow-structure data transfer, grid deformation and flow simulation under the moving grid system is first developed. To d
Externí odkaz:
https://doaj.org/article/6f32d071a635483b9e588cb5d2a5c3fe