Results 31 to 40 of about 11,306,266 (196)
工程科学与技术, 2023 Given unsatisfactory heat transfer performance of the metal hydride reactors, a more compact and efficient single inlet-outlet heat exchanger tube with double helix structure was proposed.
Xiaofeng MOU +3 more
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Experimental study of recirculating heat transfer in geothermal wells with nanofluids
地质科技通报Objective Enhancing the heat transfer performance of heat transfer media is an effective means of efficiently exploiting geothermal resources. Numerous studies have shown that the addition of nanoscale metals or metal oxides to fluids can effectively ...
Zhaokai DAI +6 more
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Enhanced Heat Transfer Surface Development for Exterior Tube Surfaces
Chemical Engineering Transactions, 2013 Enhanced heat transfer surfaces are produced by modifying a process surface. New tube and process designs are necessary in order to increase heat transfer, minimize operating costs and save energy.
D.J. Kukulka, R. Smith
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Investigation of heat transfer augmentation through use of internally finned and roughened tubes : final summary report [PDF]
, 1970 This report summarizes a three-year program concerned with obtaining basic design information for tubes having a random roughness on the inside wall (RID) and tubing having continuous internal fins (Forge Fin).
Brown, G. S. +4 more
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Experimental investigation of heat transfer in a tube heat exchanger with airfoil-shaped insert
Case Studies in Thermal Engineering, 2019 In this present study, the novel insert for heat exchanger is presented. The airfoil-shaped insert, Modified NACA0024, is chosen to improve the heat transfer performance in the tube.
Suabsakul Gururatana, Sompol Skullong
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Particle shape effect on heat transfer performance in an oscillating heat pipe [PDF]
Nanoscale Research Letters, 2011 AbstractThe effect of alumina nanoparticles on the heat transfer performance of an oscillating heat pipe (OHP) was investigated experimentally. A binary mixture of ethylene glycol (EG) and deionized water (50/50 by volume) was used as the base fluid for the OHP.
Chen Hsiu-hung +3 more
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The influence of return bends on the downstream pressure drop and condensation heat transfer in tubes [PDF]
, 1971 The influence of return bends on the downstream pressure drop and heat transfer coefficient of condensing refrigerant R-12 was studied experimentally. Flow patterns in glass return bends of 1/2 to 1 in. radius and 0.315 in. I. D.
Traviss, Donald P., Rohsenow, Warren M.
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Zhileng xuebao, 2022 A performance test system for an evaporative condenser was developed in this study. The effects of different parameters on the heat transfer performance of an annular elliptic finned tube evaporative condenser were studied using a control variable method,
Gu Yaxiu +4 more
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Case Studies in Thermal Engineering, 2022 This study investigates the start-up and steady-state heat transfer performance of a heat pipe with a bypass line for accelerating a working fluid. The interface resistance by the counterflow of vapor and liquid under the operation of a heat pipe has a ...
Youngmi Baek, Euiguk Jung
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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
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