Zobrazeno 1 - 10
of 178
pro vyhledávání: '"Chongfang Ma"'
Publikováno v:
Energies, Vol 17, Iss 10, p 2385 (2024)
Based on the single-screw compressor (SSC) structure, a new type of composite slide valve (CSV) has been proposed and designed, featuring internal volume ratios of 2.8, 3.9, and 5.6 and operating under a partial load of 35%. The theoretical model des
Externí odkaz:
https://doaj.org/article/8e24516966c545d9b2a31f6afc9074fe
Publikováno v:
Energies, Vol 16, Iss 5, p 2178 (2023)
Molten salt is an excellent medium for heat transfer and storage. The unique microstructure of carbon nanomaterials leads to good mechanical stability, low density, high thermal conductivity, and high strength, etc. The addition of carbon nanomateria
Externí odkaz:
https://doaj.org/article/cdf87420642c4c45b2bbbd2dabcd2d4d
Publikováno v:
Frontiers in Energy Research, Vol 9 (2021)
In order to recover the energy loss due to the throttling in the path of ammonia-lean solution in the Kalina Cycle System (KCS) 34, two redesigned cycles, in which single-screw expanders that can perform two-phase expansion are used to replace the th
Externí odkaz:
https://doaj.org/article/87dc3dbfc2ec484ab97ef8ed5345bfbd
Publikováno v:
Energies, Vol 15, Iss 19, p 7398 (2022)
The performance of a heat exchanger is directly related to the energy conversion efficiency of the thermal storage system, and its optimal design is an important method to improve the performance of the heat exchanger. This paper uses the distributed
Externí odkaz:
https://doaj.org/article/e50c5c381259490aad55324efa0001a2
Publikováno v:
Energies, Vol 13, Iss 5, p 1022 (2020)
The organic Rankine cycle (ORC) is a popular and promising technology that has been widely studied and adopted in renewable and sustainable energy utilization and low-grade waste heat recovery. The use of zeotropic mixtures in ORC has been attracting
Externí odkaz:
https://doaj.org/article/990f888016464ffb804831b0f80fb4f7
Publikováno v:
Energies, Vol 12, Iss 16, p 3197 (2019)
The organic Rankine cycle (ORC) is a popular technology used in waste heat recovery and medium-low-temperature heat utilization. Working fluid plays a very important role in ORC. The selection of working fluid can greatly affect the efficiency, the o
Externí odkaz:
https://doaj.org/article/0fb590cbf4da47f29560d99a2cdaf605
Publikováno v:
Energies, Vol 12, Iss 10, p 1943 (2019)
Two-tank molten salt heat storage systems are considered to be the most mature thermal storage technology in solar thermal power plants. As the key part of the system, the thermal performance of molten salt tanks is of great importance. An experiment
Externí odkaz:
https://doaj.org/article/5170ac2c59164aba8cb1858a5bc8cd83
Publikováno v:
Energies, Vol 10, Iss 1, p 6 (2016)
A single-screw expander with 195 mm diameter is developed to recover pressure energy in letdown stations. An experiment system is established using compressed air as a working fluid instead of natural gas. Experiments are conducted via measurements f
Externí odkaz:
https://doaj.org/article/f7b9ab35d5db4a568b00d3731ec938b9
Publikováno v:
Energies, Vol 9, Iss 12, p 1015 (2016)
Knowledge concerning the complicated changes of mass and heat transfer is desired to improve the performance and durability of unitized regenerative fuel cells (URFCs). In this study, a transient, non-isothermal, single-phase, and multi-physics mathe
Externí odkaz:
https://doaj.org/article/0d7f900465a448d78a253da5e155d0f6
Autor:
Yuting Wu, Ruiping Zhi, Biao Lei, Wei Wang, Jingfu Wang, Guoqiang Li, Huan Wang, Chongfang Ma
Publikováno v:
Energies, Vol 9, Iss 7, p 478 (2016)
This paper fully describes the working principle of slide valves in single-screw expanders (SSEs). A geometric analysis of suction and volume ratio slide valves is presented to determine the relations between volume ratio, suction closure volume, dis
Externí odkaz:
https://doaj.org/article/ad63da4b3da44e35b626d8be940f60c6