Research progress on active thermal protection for hypersonic vehicles
Hypersonic vehicles with scramjet engine as propulsion devices is one of the most important
developing trends in the aerospace field for both commercial and military application. The …
developing trends in the aerospace field for both commercial and military application. The …
A review on the applications of porous materials in solar energy systems
According to energy policies, it is necessary to replace electrical energy or fossil fuels by
renewable energy sources. Solar energy systems are recognized as one of these sources …
renewable energy sources. Solar energy systems are recognized as one of these sources …
[图书][B] Convection in porous media
DA Nield, A Bejan - 2006 - Springer
By a porous medium we mean a material consisting of a solid matrix with an interconnected
void. We suppose that the solid matrix is either rigid (the usual situation) or it undergoes …
void. We suppose that the solid matrix is either rigid (the usual situation) or it undergoes …
A detailed thermal model of a parabolic trough collector receiver
SA Kalogirou - Energy, 2012 - Elsevier
Parabolic trough collectors are made by bending a sheet of reflective material into a
parabolic shape. A metal black pipe, covered with a glass tube to reduce heat losses, is …
parabolic shape. A metal black pipe, covered with a glass tube to reduce heat losses, is …
Experimental investigation on a solar parabolic trough collector for absorber tube filled with porous media
In the present work the efficiency of a solar parabolic trough has been investigated
experimentally. An absorber filled with metal foam is used in order to improve the heat …
experimentally. An absorber filled with metal foam is used in order to improve the heat …
Effects of porous material and nanoparticles on the thermal performance of a flat plate solar collector: an experimental study
The thermal performance of a nanofluid flow through a flat plate solar collector with the metal
porous foam filled channel is experimentally investigated. For this purpose, the SiO …
porous foam filled channel is experimentally investigated. For this purpose, the SiO …
Experimental investigation of porous disc enhanced receiver for solar parabolic trough collector
In this article, experimental investigation of 15 m 2 solar parabolic trough collector with
porous disc enhanced receiver is carried out according to ASHRAE 93-1986 test procedure …
porous disc enhanced receiver is carried out according to ASHRAE 93-1986 test procedure …
Comparative field performance study of flat plate and heat pipe evacuated tube collectors (ETCs) for domestic water heating systems in a temperate climate
This paper presents a year round energy performance monitoring results of two solar water
heaters with 4 m 2 flat plate and 3 m 2 heat pipe evacuated tube collectors (ETCs) operating …
heaters with 4 m 2 flat plate and 3 m 2 heat pipe evacuated tube collectors (ETCs) operating …
Numerical study of heat transfer enhancement in the receiver tube of direct steam generation with parabolic trough by inserting metal foams
P Wang, DY Liu, C Xu - Applied energy, 2013 - Elsevier
The present numerical simulation investigates the effect of inserting metal foams in receiver
tube of parabolic trough collector on heat transfer. The effects of layout (top/bottom) …
tube of parabolic trough collector on heat transfer. The effects of layout (top/bottom) …
Using porous fins for heat transfer enhancement
S Kiwan, MA Al-Nimr - J. Heat Transfer, 2001 - asmedigitalcollection.asme.org
This work introduces a novel method that enhances the heat transfer from a given surface by
using porous fins. The thermal performance of porous fins is estimated and compared with …
using porous fins. The thermal performance of porous fins is estimated and compared with …