Results 11 to 20 of about 1,612,931 (287)

Free-convection condensation on single horizontal pin-fin tubes [PDF]

, 2011
PhDNew experimental data are reported for free-convection condensation of ethylene glycol and R-113 on three-dimensional pin-fin tubes. Effects of pin geometry and tube thermal conductivity (for copper, brass and bronze giving a mean range of 400, 120 ...
Ali, Hafiz-Muhummad
core   +4 more sources

Forced-convection condensation heat-transfer on horizontal integral-fin tubes including effects of liquid retention [PDF]

, 2011
PhDAccurate and repeatable heat-transfer data are reported for forced-convection filmwise condensation of steam and ethylene glycol flowing vertically downward over two single, horizontal instrumented integral-fin tubes and one plain tube. Vapour-side,
FITZGERALD, Claire Louise
core   +4 more sources

Film condensation heat transfer of low integral-fin tube. [PDF]

, 1985
PhDFor condensation on horizontal low-finned tubes, the dependence of heat-transfer performance on fin spacing has been investigated experimentally for condensation of refrigerant 113 and ethylene glycol.
Masuda, Hiroshi
core   +4 more sources

Optimization of heat sinks with plate fins in air-jet cooling

Nihon Kikai Gakkai ronbunshu, 2014
Heat density of high-load electronics such as high-performance servers and the inverters used in vehicles has been increasing as the result of higher processing speeds and computational scale, and higher output, etc.
Takayuki ATARASHI, Tetsuya TANAKA, Shigeyasu TSUBAKI   +2 more
doaj   +1 more source

La cuestión de la pobreza voluntaria según santo Tomás de Aquino. Aportes a la cuestión del consumo desmedido en las sociedades contemporáneas

Studium: Filosofía y Teología, 2015
El surgimiento de las Órdenes Mendicantes en el siglo XIII generó una serie de controversias acerca del peculiar estilo de vida de sus miembros. Una de ellas fue la referente a la cuestión de la pobreza voluntaria.
Pablo Santiago Furlotti
doaj   +1 more source

Investigation of Flow and Heat Transfer Characteristics for Fins Compound with Cavities in Microchannels

Zhileng xuebao, 2023
In this study, based on fins of four conventional shapes that are applied in microchannels, four novel fins are proposed using compound fins with cavities.
Huang Binghuan, Mi Chuang, Li Kui, Gong Liang   +3 more
doaj  

Stochastic Levenberg–Marquardt Neural Network Implementation for Analyzing the Convective Heat Transfer in a Wavy Fin

Mathematics, 2023
The present research examines the steady, one-dimensional thermal distribution and heat transfer of a wavy fin. This heat transfer analysis considers convective effects as well as temperature-dependent thermal conductivity.
R. S. Varun Kumar, M. D. Alsulami, I. E. Sarris, G. Sowmya, Fehmi Gamaoun   +4 more
doaj   +1 more source

Increasing heat transfer rate in heat exchanger of underwater vehicle motor by increasing fluid flow turbulence

نشریه مهندسی دریا, 2021
Due to limited space and energy, increasing the performance of the underwater marine vehicle motor is one of the most important parameters in the design process.
Ehsan Yari, Mohammad Reza Nateghi
doaj  

Examining the Impact of Using Hemispherical Dimples-protrusions on Heat Transfer and Pressure Drop in the Finned-tube Heat Exchanger with Different Configurations [PDF]

Journal of Applied Fluid Mechanics
In comparison to a plain fin, the addition of dimples or protrusions to the fins of a finned tube heat exchanger significantly affects the promotion of heat transfer.
O. Baharlouei, S. Talebi
doaj   +1 more source

Design & modelling of a composite rudderless aeroelastic fin structure [PDF]

, 2010
This thesis presents the study of a gapless and rudderless aeroelastic fin (GRAF) to enhance the directional stability and controllability of an aircraft. The GRAF concept was proposed and developed in the wake of previous research, targeted to improve
Trapani, Matteo
core   +7 more sources