Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Dahan Sun"'
Publikováno v:
Applied Sciences, Vol 14, Iss 17, p 7735 (2024)
This paper proposes, for the first time, the research concept of comparing energy and economy between transcritical cycle high-temperature heat pumps and subcritical cycle high-temperature heat pumps with new refrigerants. Experiments and simulations
Externí odkaz:
https://doaj.org/article/225e8b63e7a04d2f892c28192dc89fd2
Publikováno v:
Energies, Vol 17, Iss 13, p 3347 (2024)
This paper proposes a new type of cogeneration system coupled by Organic Rankine Cycle (ORC), Absorption Heat Pump (AHP), and Compression Heat Pump (CHP). The new system can meet the needs of different scenarios. Simulations were conducted to analyze
Externí odkaz:
https://doaj.org/article/d12d4d047f8a4c04bef40c391415f90e
Publikováno v:
Energies, Vol 16, Iss 3, p 1313 (2023)
R744 is the most competitive and ideal natural refrigerant when flammability and toxicity are strictly limited. However, there are still some problems when it is applied to a heating system. For example, the discharge pressure of the system exceeds 1
Externí odkaz:
https://doaj.org/article/dfa968c984ed40ada48cb1c50e8ad754
Publikováno v:
Journal of Thermal Science and Engineering Applications. 15
CO2 is a promising refrigerant substitute, and falling film evaporator is widely used in high-capacity heat pump systems. In this article, a CO2 heat pump experimental device is built. According to experimental parameters, a CO2 falling film heat exc
Publikováno v:
Applied Thermal Engineering. 229:120627
Publikováno v:
Journal of Thermal Science and Engineering Applications. 14
A three-dimensional (3D) numerical model of the double-tubes heat exchanger was established by using fluent16.0 in this study. The supercritical flow and heat transfer characteristics of R744 and its two azeotropic blends in the gas cooler and their
Publikováno v:
SSRN Electronic Journal.
Publikováno v:
Applied Thermal Engineering. 218:119285