Zobrazeno 1 - 10
of 430
pro vyhledávání: '"thermal performance factor"'
Publikováno v:
Case Studies in Thermal Engineering, Vol 65, Iss , Pp 105597- (2025)
A microchannel with staggered truncated ribs (MC-STR) is presented. The effects of rib height ratio (α) and rib width ratio (β) on the thermal-hydraulic performance and entropy generation are investigated by numerical simulation at the Reynolds num
Externí odkaz:
https://doaj.org/article/a67c7b3248cc4294bba1e4766f9f44ba
Publikováno v:
International Journal of Thermofluids, Vol 24, Iss , Pp 100909- (2024)
The thermal performance of a photovoltaic (PV) system is highly influenced by cooling its surface temperature. In this study, a series of cooling modules are developed, including fin turbulators within a serpentine channel placed on the rear side of
Externí odkaz:
https://doaj.org/article/7a5286132765450496309c9fc0dd079b
Autor:
Hayder M. Hasan, Mohsen H. Fagr
Publikováno v:
International Journal of Thermofluids, Vol 23, Iss , Pp 100728- (2024)
This study numerically explores the thermo-hydraulic performance of a twisted annular circular tube. The annular configurations are investigated at two twisting pitch ratios (y = H/Do=1 and 2) which represents the ratio of the twisting step to the ou
Externí odkaz:
https://doaj.org/article/f56fd3d8fef841c391ad6aaba6baf686
Publikováno v:
In International Journal of Thermal Sciences April 2025 210
Autor:
Fayez Aldawi
Publikováno v:
Results in Engineering, Vol 22, Iss , Pp 102098- (2024)
This study investigates the utilization of twisted tapes within spiral tubes, aiming to fill a significant research gap. Through validated numerical simulations using the SST k-w turbulence model, the intricate aspects of heat transfer and exergy des
Externí odkaz:
https://doaj.org/article/c6bc4ea51e4e4594bc2f7fe551438707
Publikováno v:
International Journal of Thermofluids, Vol 21, Iss , Pp 100557- (2024)
This paper explains about the experimental evaluation of thermophysical properties, heat transfer coefficient, Nusselt number, friction factor, and thermal performance factor of water-based reduced graphene oxide (rGO) nanofluids passes through a tub
Externí odkaz:
https://doaj.org/article/9cd10b130cd3441a8b561ce5d37b3dbb
Autor:
Hang Li, Dalei Jing
Publikováno v:
Case Studies in Thermal Engineering, Vol 53, Iss , Pp 103912- (2024)
This study investigates numerically the impacts of pin fins (PF) with varying height on the pressure drop ΔP, the bottom average temperature Tbw, the Nusselt number Nu and the thermal performance factor η of a micro pin fin heat sink (MPFHS). Three
Externí odkaz:
https://doaj.org/article/e53c08d34b4f41f39dce720b06cdabd6
Publikováno v:
International Journal of Thermofluids, Vol 20, Iss , Pp 100500- (2023)
Vortex generators are passive methods of heat transfer enhancement in any thermal system. However, more research is needed to compare the effects of vortex generators having unique shapes on the flow distribution for high heat transmission. Also, a r
Externí odkaz:
https://doaj.org/article/eef630df89e14201b35e82a7532c540f
Publikováno v:
Journal of Engineering Research - Egypt, Vol 7, Iss 1, Pp 141-149 (2023)
The thermal-hydraulic performance of conically coiled tubes (CCTs) was investigated experimentally under constant heat flux boundary conditions in this study. The effect of several factors, such as the flow Dean number, coil torsion, and varied nanop
Externí odkaz:
https://doaj.org/article/16fcb5d5d9134828aecd83c2fec4ab5f
Autor:
L. Syam Sundar
Publikováno v:
Alexandria Engineering Journal, Vol 65, Iss , Pp 867-885 (2023)
The thermophysical, heat transfer coefficient, thermal entropy generation, frictional entropy generation, and exergy efficiency of ZrO2/DI-water nanofluids circulate through a tube under the turbulent flow was explored experimentally. The ZrO2 nanopa
Externí odkaz:
https://doaj.org/article/826fe53353bb44439356231f5e026a3d