Zobrazeno 1 - 10
of 171
pro vyhledávání: '"Honghyun Cho"'
Publikováno v:
Case Studies in Thermal Engineering, Vol 59, Iss , Pp 104496- (2024)
This investigation examined the thermophysical properties of emulsions comprising paraffin 56/58 phase change material (PCM) dispersed in water and ethylene glycol (60 wt%) aqueous solution to optimize energy storage density for low-temperature therm
Externí odkaz:
https://doaj.org/article/d416f7de45b34e74b897aca9d95683c7
Publikováno v:
Energies, Vol 17, Iss 20, p 5059 (2024)
In order to enhance the efficiency of direct absorption solar collectors, this study carried out an experimental analysis about the optical and photothermal conversion performance of Fe3O4, ATO (Antimony-doped tin oxide), and Fe3O4/ATO nanofluids wit
Externí odkaz:
https://doaj.org/article/502249eb187a4803870e68d2f7beeab6
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 4005-4011 (2023)
To evaluate a potential thermal battery material for thermal energy storage applications, this study prepared a stable organic nano-dispersed PCM (NDPCM) with 1-tetradecanol (TD) with a melting point and latent heat of 37.8 °C and 236.4 J/g, respect
Externí odkaz:
https://doaj.org/article/2fb3a7651ff940afb046b6867834f642
Publikováno v:
Results in Engineering, Vol 20, Iss , Pp 101541- (2023)
During hot summer days, the rapid rise in temperature inside a vehicle and the direct transmission of radiant energy cause significant discomfort to drivers, and the driving distance of an electric vehicle is greatly reduced due to the operation of t
Externí odkaz:
https://doaj.org/article/3fbd0116153a415985df52f2a6399184
Publikováno v:
Alexandria Engineering Journal, Vol 71, Iss , Pp 645-658 (2023)
This study discusses the preparation and thermophysical characterization of microencapsulated stearyl alcohol (SA) for thermal energy storage and heat transportation applications. The developed microcapsules consist of SA, an organic phase change mat
Externí odkaz:
https://doaj.org/article/40643435e156407fb49ffe6affe33f19
Publikováno v:
Alexandria Engineering Journal, Vol 69, Iss , Pp 445-456 (2023)
In this study, different numerical approximations were compared to evaluate the performance of a top-inlet–bottom-outlet latent thermal energy storage (LTES) system, and to achieve a higher accuracy while reducing the computational time. The ice-on
Externí odkaz:
https://doaj.org/article/9cc6abf44dda427eb2ed60dd04406e84
Publikováno v:
Case Studies in Thermal Engineering, Vol 51, Iss , Pp 103598- (2023)
In this study, a solution heat exchanger (SHEX), one of the components of LiBr–H2O absorption refrigeration, is selected as a 60° and 30° chevron angle brazing-type plate heat exchanger, and its performance is experimentally investigated. The res
Externí odkaz:
https://doaj.org/article/f07899052c3147f59f6be6f3b7f95800
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 1114-1123 (2022)
Two-phase ejectors are highly useful devices because they can recover and use the energy lost in the expansion process of the refrigeration cycle. However, in a small-sized household refrigeration cycle, a modified ejector cycle is required due to th
Externí odkaz:
https://doaj.org/article/fae8ce505d0c4cb2ba352a7421dd0f8d
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 7143-7153 (2022)
This study aims to prepare a stable caprylic acid (CA) and cetyl alcohol (CAL) organic binary mixture as a solid–liquid phase change material (PCM) with a phase transition temperature in the range for exotic chilled refrigeration. A detailed study
Externí odkaz:
https://doaj.org/article/54a42e675134456a9cd670c2583cfa5a
Publikováno v:
Case Studies in Thermal Engineering, Vol 47, Iss , Pp 103095- (2023)
The present work discusses the experimental investigation of the convective heat transfer (CHT) and pressure drop characteristics of a hybrid nanofluid (HNF). The multi-walled carbon nanotube (MWCNT) NF, Fe3O4 NF, and MWCNT/Fe3O4 HNFs with 0.025 wt%
Externí odkaz:
https://doaj.org/article/edc4bab8dfb9474c8eef5e6ad8a0cf38