Results 21 to 30 of about 85,216 (311)

Heat transfer direction dependence of heat transfer coefficients in annuli [PDF]

Heat and Mass Transfer, 2017
The National Research Foundation of South Africa (NRF), Eskom Tertiary Education Support Programme (TESP), University of Stellenbosch / University of Pretoria, South African National Energy Research Institute (SANERI) / South African National Energy Development Institute (SANEDI), Council for Scientific and Industrial Research (CSIR), Energy Efficiency
Prinsloo, F.P.A. (Francois), Dirker, Jaco, Meyer, Josua P.   +2 more
openaire   +3 more sources

Numerical simulation of convection heat transfer of supercritical carbon dioxide in horizontal straight tube

Journal of Hebei University of Science and Technology, 2019
In order to enhance the heat transfer performance of CO2 heat pump, the heat transfer performance of supercritical carbon dioxide in horizontal straight tube is conducted based on Fluent numerical simulation method. Cooling heat transfer of supercritical
Haiting CUI, Siwen LIU, Shaozheng WANG
doaj   +1 more source

Characteristic of boiling heat transfer coefficient for porous metal fins

Nihon Kikai Gakkai ronbunshu, 2018
Porous metal fin was used as boiling heat transfer plate of phase change devices. The number of cells of the porous metal fin is 8 ppi, and the pore diameter of the porous metal fin is 3.1 mm.
Yoshihiro KONDO, Hiroyuki KOSHITA
doaj   +1 more source

Research on heat transfer coefficient of supercritical water based on factorial and correspondence analysis

Nuclear Engineering and Technology, 2020
The study of heat transfer coefficient of supercritical water plays an important role in improving the heat transfer efficiency of the reactor. Taking the supercritical natural circulation experimental bench as the research object, the effects of power ...
Feng Xiang, Zhou Tao, Zhang Jialei, Zhang Boya, Ma Dongliang   +4 more
doaj  

Heat Transfer Characteristics of Condensers in Rotating Heat Pipe Grinding Wheel under Impinging Jet

Zhileng xuebao, 2023
An axial rotary heat pipe grinding wheel is a new type of grinding wheel used to strengthen the heat transfer in the grinding arc area. Its heat transfer performance directly affects the heat transfer performance of the entire heat pipe grinding wheel ...
Zhang Liyong, Chen Jiajia, Jiang Huafei, Xu Youlin   +3 more
doaj  

Radiative Heat Transfer and Effective Transport Coefficients [PDF]

, 2011
The theory of heat transfer by electromagnetic radiation is based on the radiative transfer equation (RTE) for the radiation intensity, or equivalently on the Boltzmann transport equation (BTE) for the photon distribution. We focus in this review article, after a brief overview on different solution methods, on a recently introduced approach based on ...
Rudolf Gati, Thomas Christen, Frank Kassubek   +2 more
openaire   +4 more sources

Study on Boiling Heat Transfer Characteristics of R290 in Horizontal Micro-tubes

Zhileng xuebao, 2020
In this study the boiling heat transfer characteristics of R290 in a 1, 2, and 4 mm horizontal micro-tube were investigated experimentally. The effects of mass flow rate [50-600 kg/(m2?s)], quality (0-1), and heat flux (5-20 kW/m2) on the boiling heat ...
Wang Haoyu, Liu Jianhua, Zhang Liang, Yu Xiaoxiao   +3 more
doaj  

Study of New Mini-Channel Trans-Critical CO₂ Heat Pump Gas Cooler

Micromachines, 2022
A gas cooler is one of the important parts of a carbon dioxide (CO2) heat pump water heater, and it must meet the needs of not only pressurization but also heat transfer. It is important to study gas coolers. In this paper, a heat exchanger with a spiral
Jiawei Jiang, Shiqiang Liang, Can Ji, Longyan Wang, Chaohong Guo   +4 more
doaj   +1 more source

Geographic variation in walking activity in the red flour beetle Tribolium castaneum

Population Ecology, EarlyView.
This study examined whether there is geographic variation in field populations, focusing on the moving activity in the red flour beetle Tribolium castaneum. Results showed significant differences in moving activity among field populations but no correlation with latitude or meteorological factors.
Kentarou Matsumura
wiley   +1 more source

B cell mechanobiology in health and disease: emerging techniques and insights into therapeutic responses

FEBS Letters, EarlyView.
B cells sense external mechanical forces and convert them into biochemical signals through mechanotransduction. Understanding how malignant B cells respond to physical stimuli represents a groundbreaking area of research. This review examines the key mechano‐related molecules and pathways in B lymphocytes, highlights the most relevant techniques to ...
Marta Sampietro, Marco Cellani, Cristina Scielzo   +2 more
wiley   +1 more source