Zobrazeno 1 - 10
of 1 098
pro vyhledávání: '"Pitak P"'
Autor:
Kittinan Wansasueb, Pitak Promthaisong, Bopit Bubphachot, Adisak Pattiya, Teerapat Chompookham, Sampan Rittidech, Narin Siriwan
Publikováno v:
Case Studies in Thermal Engineering, Vol 63, Iss , Pp 105307- (2024)
This study presents an investigation of a heat pipe with a mesh wick, utilizing machine learning (ML) techniques. The model including radial basis function interpolation (RBF), Kriging model (KRG), and the k-nearest neighborhood model (K-NN) were stu
Externí odkaz:
https://doaj.org/article/15f15fb987de44dda409bb7beef4c289
Autor:
Maturose Suchatawat, Somchai Sripattanapipat, Pitak Promthaisong, Sompol Skullong, Pongjet Promvonge
Publikováno v:
Results in Engineering, Vol 25, Iss , Pp 103702- (2025)
An experimental and computational research was performed to explore the augmentation of turbulent convection in a solar receiver channel by utilizing louver-punched V-type winglets (LPVWs) that were fixed to the absorber plate. The simulation utilize
Externí odkaz:
https://doaj.org/article/3a8209c369294abdba7d4780d893dec4
Autor:
Nuthvipa Jayranaiwachira, Pongjet Promvonge, Pitak Promthaisong, Mahdi Erfanian Nakhchi, Sompol Skullong
Publikováno v:
Results in Engineering, Vol 22, Iss , Pp 102276- (2024)
The present research assesses the thermal effectiveness of a heat exchange tube incorporating louver-punched triangular baffle (LPTB) vortex generators under turbulent conditions. For Reynolds numbers between 4760 and 29,270, the heat transfer and fl
Externí odkaz:
https://doaj.org/article/8c31d8d009a9460ebd498a51f46adce8
Autor:
Kittinan Wansasueb, Pitak Promthaisong, Bopit Bubphachot, Adisak Pattiya, Teerapat Chompookham, Sampan Rittidech, Narin Siriwan
Publikováno v:
Engineering and Applied Science Research, Vol 50, Iss 5, Pp 458-467 (2023)
This study focuses on the numerical validation of a two-dimensional model of a heat pipe's temperature profile under transient conditions. The model was constructed from copper, and the finite difference method was employed as the numerical solver. T
Externí odkaz:
https://doaj.org/article/6964803f87f642ad8857a36a323833d6
Autor:
Teerapat Chompookham, Pongjet Promvonge, Sompol Skullong, Narin Siriwan, Bopit Bubphachot, Kittinan Wansasueb, Pitak Promthaisong
Publikováno v:
Engineering and Applied Science Research, Vol 50, Iss 3, Pp 251-261 (2023)
This article presents turbulent flow patterns and thermal behaviors in a circular tube mounted with 30° multiple V–baffles. The influences of V–baffle numbers (N) of 2, 3 and 4 with pitch ratios (PR) of 1.0, 1.5 and 2.0 for Reynolds number (Re)
Externí odkaz:
https://doaj.org/article/ba4dea99f6aa43fdad4ac96aa3efa531
Autor:
Nuthvipa Jayranaiwachira, Pongjet Promvonge, Chinaruk Thianpong, Pitak Promthaisong, Sompol Skullong
Publikováno v:
Case Studies in Thermal Engineering, Vol 42, Iss , Pp 102717- (2023)
The paper presents an experimental study of convection enhancement in a tube heat exchanger using louvered curved-baffle (LCB) vortex generator (VG). The heat transfer and pressure loss of air as a working fluid, flowing in an isothermal-fluxed tube
Externí odkaz:
https://doaj.org/article/574aaf5bf8164e4c8359664bb9854ac5
Autor:
Narin Siriwan, Bopit Bubphachot, Smith Eiamsa-ard, Khwanchit Wongcharee, Teerapat Chompookham, Pitak Promthaisong
Publikováno v:
Engineering and Applied Science Research, Vol 48, Iss 6, Pp 694-703 (2021)
This paper presents a 3D simulation of turbulent flow and heat transfer behaviors in a five-start corrugated tube having depth ratios, DR = 0.02-0.16 and constant pitch ratio, PR = 1.0 0 and the Reynold number ranging from 5000 to 20,000. The effect
Externí odkaz:
https://doaj.org/article/a674ea7603bb4cb69641c0c29e744d93
Publikováno v:
Case Studies in Thermal Engineering, Vol 26, Iss , Pp 101088- (2021)
The flow topology and thermohydraulic performance of a novel designed punched delta-winglet (P-DW) placed on the absorber of a solar air heater duct are numerically explored. The effects of geometrical parameters, namely, the relative winglet pitch,
Externí odkaz:
https://doaj.org/article/07185abdc2cd4df793cf77230ad8299a
Publikováno v:
Journal of Thermal Science and Technology, Vol 15, Iss 1, Pp JTST0008-JTST0008 (2020)
This paper presents 3D numerical investigation of the turbulent flow and heat transfer characteristics of a twisted square duct installed with multi-twisted tapes. Air was used as the working fluid with flow rates in terms of Reynolds numbers ranging
Externí odkaz:
https://doaj.org/article/fe2115fe1eed474a998b0a808eb1e985
Autor:
Suttisak Kunlabud, Varesa Chuwattanakul, Vichan Kongkaitpaiboon, Pitak Promthaisong, Smith Eiamsa-ard
Publikováno v:
Theoretical and Applied Mechanics Letters, Vol 7, Iss 6, Pp 372-378 (2017)
Heat transfer and flow behaviors in three-dimensional circular tubes with loose-fit multiple channel twisted tapes were numerically studied. The investigation was examined for Reynolds numbers (Re) ranging from 5000 to 15,000, by using air as testing
Externí odkaz:
https://doaj.org/article/99407a59fa3b455c9456a023e3601a07