Heat and Mass Transfer

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Effective thermal conductivity of water-saturated sintered powder-metal plates
Heat and Mass Transfer - Tập 44 - Trang 85-99 - 2007
N. Atabaki, B. R. Baliga
An experimental apparatus and related procedures for the determination of the effective thermal conductivity of sintered powder-metal plates saturated with distilled water at temperatures in the range 20–150°C are discussed. The apparatus and procedures are applied to two samples of sintered powder-metal plates, one made of nickel 200 and the other of stainless steel 316, with porosities of 28.10 ...... hiện toàn bộ
Natural convection liquid desiccant loop as an auxiliary air conditioning system: investigating the operational parameters
Heat and Mass Transfer - Tập 54 - Trang 903-913 - 2017
Mohammad Ali Fazilati, Ali Akbar Alemrajabi, Ahmad Sedaghat
Liquid desiccant air conditioning system with natural convection was presented previously as a new generation of AC systems. The system consists of two three-fluid energy exchangers namely absorber and regenerator in which the action of air dehumidifying and desiccant regeneration is done, respectively. The influence of working parameters on system performance including the heat source and heat si...... hiện toàn bộ
Heat exchangers fouling in phosphoric acid concentration
Heat and Mass Transfer - Tập 56 - Trang 2313-2324 - 2020
Ali Fguiri, Rania Jradi, Christophe Marvillet, Mohamed Razak Jeday
Industrial heat exchanger fouling is generally defined as the accumulation and formation of undesired materials on the exchange surface. Experimental measurements of degree of fouling are both difficult and time consuming and often do not provide accurate results. However, the modeling of the thermal resistance of fouling can inform us on the evolution of this phenomenon. The present work aimed at...... hiện toàn bộ
High-temperature stable and hydrophobic boron-nitride-modified silica aerogels for heat insulation materials
Heat and Mass Transfer - Tập 57 - Trang 1807-1814 - 2021
Haiqian Zhao, Jingwen Liu, Ming Dong, Zhonghua Wang, Xiaoyan Liu
Silica (SiO2) aerogels are widely used in high-temperature insulation materials due to their low thermal conductivity. The hydrophobicity of SiO2 aerogels is considerably important for maintaining high-thermal insulation performance for a long duration. Traditional methods for the hydrophobic modification of SiO2 aerogels involve the modification of organic functional groups present on aerogel sur...... hiện toàn bộ
Subsurface thermal sensitivity evaluation of magnetic nanoparticles for theranostics using infrared thermography
Heat and Mass Transfer - Tập 59 - Trang 803-816 - 2022
J. Shebha Anandhi, R. Justin Joseyphus
Superparamagnetic ferrites are potential materials explored for magnetic nanoparticle hyperthermia. Theranostics utilizing infrared thermography with iron oxide nanoparticles demand better heating characteristics and thermal sensitivity that are affected by the biological fluid and absorption by the tissue layer. Agar gel phantoms were incorporated with the ferrite particles dispersed in albumin a...... hiện toàn bộ
Flow reactor models for gas-liquid reactions based on the penetration theory
Heat and Mass Transfer - Tập 30 Số 6 - Trang 447-454 - 1995
J. Wang
Nonlinear hydromagnetic flow and heat transfer over a surface stretching with a power-law velocity
Heat and Mass Transfer - Tập 38 Số 7-8 - Trang 723-726 - 2002
S. P. Anjalidevi, M. Thiyagarajan
Heat transfer characteristics of innovative configurations of double pipe heat exchanger
Heat and Mass Transfer - Tập 59 - Trang 1661-1675 - 2023
Salman Al-Zahrani
Saving energy resources requires a continuous improvement of the power equipment. The present study aims to develop new designs of double pipe heat exchanger (DPHE) to improve the heating/cooling processes at the lowest possible pumping power. Therefore, thermal performance investigation of three configurations of DPHE has been carried out. These configurations are circular wavy DPHE (DPHEwavy), p...... hiện toàn bộ
Numerical simulation of heat transfer performance of an air-cooled steam condenser in a thermal power plant
Heat and Mass Transfer - Tập 45 - Trang 1423-1433 - 2009
Xiufeng Gao, Chengwei Zhang, Jinjia Wei, Bo Yu
Numerical simulation of the thermal-flow characteristics and heat transfer performance is made of an air-cooled steam condenser (ACSC) in a thermal power plant by considering the effects of ambient wind speed and direction, air-cooled platform height, location of the main factory building and terrain condition. A simplified physical model of the ACSC combined with the measured data as input parame...... hiện toàn bộ
Laser-induced cavitation bubble behavior on solid walls of different materials
Heat and Mass Transfer - Tập 58 - Trang 499-504 - 2021
N. Fujisawa
Laser-induced cavitation bubble behavior on the solid walls of different materials was experimentally investigated by focusing the pulsed laser on the wall. To examine the influence of wall reflectivity on laser-induced cavitation, high-speed observations of the bubble behavior and impulsive-force measurements were carried out on aluminum, steel, copper, and acrylic resin walls. It was found that ...... hiện toàn bộ
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