Results 31 to 40 of about 17,455,385 (200)

Heat Transfer Capacity of Lotus-type Porous Copper Heat Sink for Air Cooling

open access: yesJournal of Thermal Science and Technology, 2010
Lotus-type porous metal with many straight pores is attractive as a heat sink because larger heat transfer capacity is obtained due to the small diameter of the pores.
Hiroshi CHIBA   +2 more
doaj   +1 more source

Numerical Investigation on the Influence of Surface Flow Direction on the Heat Transfer Characteristics in a Granite Single Fracture

open access: yesApplied Sciences, 2021
As fluid passes through the fracture of an enhanced geothermal system, the flow direction exhibits distinct angular relationships with the geometric profile of the rough fracture.
Xuefeng Gao   +3 more
doaj   +1 more source

Mathematical model for heat transfer limitations of heat pipe

open access: yesMathematical and Computer Modelling, 2013
Abstract This article is about heat transport limitation standard-used construction wick heat pipes with various working fluids operating at temperatures from −30 °C to 140 °C. In this paper is the proposal and verification of a mathematical model for calculating heat transport limitations of heat pipe. The calculations of the various variants of the
Patrik Nemec   +2 more
openaire   +2 more sources

Heat transfer characteristics of the heat pipe using simplified heat transfer model

open access: yesJournal of the Korea Academia-Industrial cooperation Society, 2015
본 연구의 목적은 전기동력 자동차의 전기-전자 장비들을 효과적으로 냉각시키면서 자체적으로 에너지 소비를 최소 화 시킬 수 있는 노력의 일환으로, 단순 열전달 모델을 이용하여 윅이 있는 히트파이프의 열전달 및 유동 특성을 고찰하는 것이다. 이를 위하여 히트파이프는 COMSOL프로그램을 이용하여 해석하였고, 작동유체로 물을 이용하였다.
Jae-Hyeong Seo   +3 more
openaire   +2 more sources

Investigation of Heat and Mass Transfer in Helical Coil and All-regime Prediction Model

open access: yesYuanzineng kexue jishu, 2022
Due to the compact structure, high heat transfer efficiency and strong reliability, helical coil once-through steam generator (HCSG) is widely used in advanced small reactors.
XIAO Yao;LIU Maolong;CHEN Shuo;CONG Tenglong;LIU Limin;LIU Li;ZHANG Wei;XU Ziyi;SHEN Cong;ZHANG Qi;GU Hanyang
doaj  

Investigation of heat transfer augmentation through use of internally finned and roughened tubes : final summary report [PDF]

open access: yes, 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
core  

Numerical investigation of conjugate natural convection in closed region under radiation heating of one boundary

open access: yesИзвестия Томского политехнического университета: Инжиниринг георесурсов, 2009
The paper introduces the results of numerical solution of heat transfer problem in closed rectangular region in free convection using the conjugate heat transfer model.
V. I. Maksimov   +3 more
doaj   +2 more sources

Numerical investigation of heat transfer characteristics of moderator assembly employed in a low-enriched uranium nuclear thermal propulsion reactor

open access: yesFrontiers in Energy Research, 2022
The design of a nuclear thermal propulsion (NTP) reactor based on low-enriched uranium (LEU) requires additional moderator elements in the core to physically meet the critical requirements.
Wei Li   +4 more
doaj   +1 more source

The influence of return bends on the downstream pressure drop and condensation heat transfer in tubes [PDF]

open access: yes, 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.
core  

Modeling Study on Heat Transfer in Marangoni Dropwise Condensation for Ethanol-Water Mixture Vapors

open access: yesEnergies, 2020
In this paper, a model was developed to predict the heat transfer characteristics of Marangoni dropwise condensation. In accordance with the feature of Marangoni condensation, condensation was treated as dropwise condensation of mixture vapors.
Jinshi Wang   +4 more
doaj   +1 more source

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