Results 41 to 50 of about 2,572 (229)

Thermal-hydraulic simulation and evaluation of a natural circulation thermosyphon loop for a reactor cavity cooling system of a high-temperature reactor

Nuclear Engineering and Technology, 2020
The investigation into a full-scale 27 m high, by 6 m wide, thermosyphon loop. The simulation model is based on a one-dimensional axially-symmetrical control volume approach, where the loop is divided into a series of discreet control volumes.
R. Swart, R.T. Dobson
doaj   +1 more source

Comparative Experimental Efficiency of Solar Water Heating Systems With Enhanced Thermal Performance: A Review

Energy Science &Engineering, Volume 14, Issue 6, Page 3056-3072, June 2026.
This review presents a comparative analysis of experimental studies aimed at improving the thermal efficiency of solar water heating (SWH) systems. Various enhancement techniques, including nanofluids, phase change materials, optimized collector designs, and hybrid photovoltaic–thermal systems, are evaluated based on their impact on system performance ...
Oluwaseyi O. Alabi, Oluwatoyin J. Gbadeyan, Oludolapo A. Olanrewaju   +2 more
wiley   +1 more source

Análise de termossifões que operam com mercúrio em altas temperaturas: [tese] [PDF]

, 2008
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Mecânica.Os termossifões são dispositivos de condutividade térmica muito elevada, sendo capazes de transportar grandes quantidades de ...
Cunha, André Felippe Vieira da
core  

Heat Transfer Performance of Biphilic Surfaces With Diatomite‐Based Composite Coatings in a Closed Thermosyphon System

Heat Transfer, Volume 55, Issue 3, Page 1608-1638, May 2026.
ABSTRACT This study investigates the thermal performance of innovative biphilic boiling surfaces designed for CPU cooling applications using a two‐phase closed thermosyphon (TPCT) system. The surfaces were fabricated by applying composite coatings—comprising epoxy resin and diatomite particles functionalized with APTES and PFOTS silanes— onto Al1050 ...
José Pereira, Reinaldo Souza, António Moreira, Ana Moita   +3 more
wiley   +1 more source

Análise de circuito de termossifão bifásico aplicado à parte fria de sistemas stirling de refrigeração: [dissertação] [PDF]

, 2007
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnologico. Programa de Pós-graduação em Engenharia MecânicaNeste trabalho investigou-se o desempenho de um circuito de termossifão bifásico (CTB), utilizando dióxido de carbono ...
Zimmermann, Augusto José Pereira
core  

Experimental study of high-performance cooling system pipeline diameter and working fluid amount

EPJ Web of Conferences, 2016
This work deals with heat transfer resulting from the operation of power electronic components. Heat is removed from the mounting plate, which is the evaporator of the loop thermosyphon to the condenser and by natural convection is transferred to ambient.
Nemec Patrik, Malcho Milan, Hrabovsky Peter, Papučík Štefan   +3 more
doaj   +1 more source

Binary Nanoparticle Combinations in Acetone‐Based Working Fluids for Thermal Performance Enhancement of Evacuated Tube Solar Water Collectors

Energy Science &Engineering, Volume 14, Issue 4, Page 2277-2293, April 2026.
Illustration of the work. ABSTRACT This experimental investigation evaluates the thermal performance enhancement of evacuated tube solar water collectors through the implementation of binary nanofluid formulations using acetone as the base fluid. Three metal oxide nanoparticles, including magnesium oxide (MgO), copper oxide (CuO), and titanium dioxide (
Ali Basem, Zukhra Atamuratova, Sardor Sabirov, Otabek Mukhitdinov, Elyor Saitov, Fohagui Fodoup Cyrille Vinceslas   +5 more
wiley   +1 more source

Thermal performance and multi-objective optimization of thermosyphon heat sinks with rectangular radial fins for high power LED lamps cooling

Case Studies in Thermal Engineering, 2022
The thermosyphon heat sinks with rectangular radial fins are presented for heat dissipation of high power LED lamps in this paper. The thermosyphon is made of copper, which includes the evaporator with 60 mm length and condenser with 180 mm length.
Zhi Xu
doaj   +1 more source

Analysis of Thermal Dynamics of Floating Photovoltaic Systems

Solar RRL, Volume 10, Issue 6, 29 March 2026.
A scalable methodology couples computational fluid dynamics‐derived wind decay functions with a dynamic heat transfer model to capture spatial temperature variations across large floating photovoltaic systems and is validated with data from the Netherlands floating photovoltaic systems (FPV) site.
A. Kaul, N. van den Nobelen, S. Golroodbari, W. G. J. H. M. van Sark   +3 more
wiley   +1 more source

Frozen Soil Hydrological Processes and Their Effects: A Review and Synthesis

Reviews of Geophysics, Volume 64, Issue 1, March 2026.
Abstract Frozen soils, including seasonally frozen ground and permafrost, are rapidly changing under a warming climate, with cascading effects on water, energy, and carbon cycles. We synthesize recent advances in the physics, observation, and modeling of frozen‐soil hydrology, emphasizing freeze–thaw dynamics, infiltration regimes and preferential flow,
Ying Zhao, Ce Zheng, Alexander Gelfan, Kunio Watanabe, Haojie Liu, Stephanie Wright, Xiaolong Wu, William Quinton, Yi Wang, Shuhua Yi, Yongyong Zhang, Yujie Shi, Wentao Jiao   +12 more
wiley   +1 more source