Zobrazeno 1 - 10
of 57
pro vyhledávání: '"Zuoqin Qian"'
Publikováno v:
Case Studies in Thermal Engineering, Vol 59, Iss , Pp 104460- (2024)
In this research, we explored the application of ‘thermal swing’ thermal barrier coatings (TBCs) in diesel engines, aiming to surpass the performance of conventional TBCs. Traditional TBCs often suffer from limitations like consistently high surf
Externí odkaz:
https://doaj.org/article/201fcd619f9243dea059f90783b5e839
Publikováno v:
Water, Vol 16, Iss 18, p 2558 (2024)
This study presents the design of a small open-circuit wind tunnel for laboratory use and a method for preparing columnar ice. The ice formation process was analyzed in terms of temperature and ice thickness variations under varying environmental tem
Externí odkaz:
https://doaj.org/article/3030f89722934ef1ab8e2cac85327cfd
Publikováno v:
Water, Vol 16, Iss 14, p 2049 (2024)
This study investigated the uniaxial compressive strength of distilled water ice prepared in a low-temperature laboratory at −30 °C at varying wind speeds of 0 m/s, 1 m/s, 2 m/s, 4 m/s, 6 m/s, and 8 m/s. The crystal structure and grain size of the
Externí odkaz:
https://doaj.org/article/9a22ae1239ce46febd442b65fcc6bd6e
Publikováno v:
Entropy, Vol 26, Iss 6, p 511 (2024)
Adopting biomass energy as an alternative to fossil fuels for electricity production presents a viable strategy to address the prevailing energy deficits and environmental concerns, although it faces challenges related to suboptimal energy efficiency
Externí odkaz:
https://doaj.org/article/21074766c8f549dea1542c588391fe39
Publikováno v:
Case Studies in Thermal Engineering, Vol 51, Iss , Pp 103612- (2023)
A novel combination of curved and straight rectangular winglet vortex generator (RWVG) pairs was arranged in a common-flow-up (CFU) configuration on plate fins for enhancing the comprehensive performance of the fin-tube heat exchanger. The effects of
Externí odkaz:
https://doaj.org/article/444b4a6ae5e44e989b367f529b04fb2d
Publikováno v:
Energies, Vol 17, Iss 4, p 850 (2024)
In this study, an optimization method using various multi-output regression models as model proxies within the NSGA-II framework was applied to determine the geometric parameters (P, W, D) of L-shaped twisted tape inserts for achieving the optimal ov
Externí odkaz:
https://doaj.org/article/a8f3609ead66462386b91571ae008d54
Publikováno v:
Energies, Vol 16, Iss 16, p 6036 (2023)
To improve the performance of conventional double-effect absorption refrigeration systems (DEARS), new series parallel (SP) and reverse parallel (RP) configurations using LiCl-H2O and LiBr-H2O as working fluids, combined with two vapor compressors (V
Externí odkaz:
https://doaj.org/article/765a3197525a49e58852006ee9b9a27a
Publikováno v:
Case Studies in Thermal Engineering, Vol 33, Iss , Pp 101898- (2022)
This paper proposes the section-streamlined tubes to explore the effect of wake region on thermohydraulic performance in the finned tube heat exchangers. Tube configurations and the angle θ have been numerically investigated. Firstly, simulation by
Externí odkaz:
https://doaj.org/article/2498c72b8161450e806fa8c3b4aa9137
Publikováno v:
Water, Vol 14, Iss 24, p 4079 (2022)
The existence of ice in nature will threaten the safety of navigation and water operations in cold regions. In order to improve the knowledge system of ice strength, the uniaxial compressive strength of distilled water ice grown at different temperat
Externí odkaz:
https://doaj.org/article/7a4e8ae44322401b8aefb8732ead17fb
Publikováno v:
Entropy, Vol 24, Iss 11, p 1534 (2022)
Adding nanoparticles or surfactants to pure working fluid is a common and effective method to improve the heat transfer performance of pool boiling. The objective of this research is to determine whether additives have the same efficient impact on he
Externí odkaz:
https://doaj.org/article/75874ddb1a374044afa7366847878b84