Results 21 to 30 of about 1,436,346 (346)

Thermal-hydraulic characteristics and optimization of a liquid-to-suction triple-tube heat exchanger

open access: yesCase Studies in Thermal Engineering, 2020
The highly effective heat-transfer characteristic of a triple-tube heat exchanger was applied to the liquid-to-suction heat exchanger of an R410A refrigerator.
Vo Tuyen   +2 more
doaj   +1 more source

Direct numerical simulation of heat transfer from the stagnation region of a heated cylinder affected by an impinging wake [PDF]

open access: yes, 2011
Copyright © 2011 Cambridge University Press.The effect of an incoming wake on the flow around and heat transfer from the stagnation region of a circular cylinder was studied using direct numerical simulations (DNSs).
JAN G. WISSINK   +4 more
core   +1 more source

Characteristic of boiling heat transfer coefficient for porous metal fins

open access: yesNihon 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

A fully coupled seepage–heat transfer model including a dynamic heat transfer coefficient in fractured rock sample with a single fissure

open access: yesGeomatics, Natural Hazards & Risk, 2021
Conventional seepage–heat transfer models in simulating the heat transfer between fluid and rock in fractures mainly involve one-way coupling and do not consider the influence of temperature on the seepage. Moreover, it is an enormous challenge to define
Ze Zhang   +4 more
doaj   +1 more source

Heat transfer characteristic of an impingement cooling system with different nozzle geometry

open access: yes, 2014
The influence of different geometries of the nozzles of an impingement cooling array of six jets directed to the flat surface on the flow mechanism and the heat transfer were investigated numerically. Basically the setup consisted of a cylindrical plenum
K. Marzec, A. Kucaba-Pietal
semanticscholar   +1 more source

The use of pseudo-inertia in asymptotic modelling of constraints in boundary value problems [PDF]

open access: yes, 2009
In recent publications, the validity of using positive and negative inertial penalty parameters and the advantage of this approach over the conventional positive penalty function approach have been established for linear eigenvalue problems.
Henderson, L., Ilanko, Sinniah
core   +2 more sources

An External Ocean Thermal Energy Power Generation Modular Device for Powering Smart Float

open access: yesEnergies, 2022
Smart Float is a new multi-modal underwater vehicle, a tool for ocean observation and detection, whose performance is limited by its underwater voyage distance and endurance like most underwater vehicles.
Hongwei Zhang, Xinghai Ma, Yanan Yang
doaj   +1 more source

CFD modeling of heat transfer in a rectangular channel with dimplepin finning [PDF]

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2013
Using the CFD modeling method, the authors have investigated conjugate heat transfer in a rectangular channel with dimple-pin finning with hight of pins, depth of cavities and Reynolds number values varying in the range, characteristic for heat ...
Spokoiny M. Yu.   +2 more
doaj   +2 more sources

Asymptotic analysis of vertical geothermal boreholes in the limit of slowly varyng heat injection rates [PDF]

open access: yes, 2014
Theoretical models for the thermal response of vertical geothermal boreholes often assume that the characteristic time of variation of the heat injection rate is much larger than the characteristic diffusion time across the borehole.
Hermanns Navarro, Miguel   +1 more
core   +2 more sources

Efficiency of fire extinguishing with general purpose fire extinguishing powder in case of non-stationary interaction of its particles with burning material

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2020
Evaluation of the effectiveness of fire extinguishing by jet systems of powder fire extinguishing in conditions of non-stationary heat exchange processes and heterogeneous inhibition of active flame centers by powder particles was the aim of the work ...
A. I. Kitsak
doaj   +1 more source

Home - About - Disclaimer - Privacy