Results 11 to 20 of about 4,921,140 (178)

Ground-source heat pumps and underground thermal energy storage: energy for the future [PDF]

open access: yes, 2008
We need energy for space heating—but in most cases not where or when energy sources are available. Energy storage, which helps match energy supply and demand, has been practised for centuries, also in Norway.
Banks, D.   +4 more
core   +9 more sources

Flow patterns and heat transfer for flow boiling in small to micro diameter tubes [PDF]

open access: yes, 2008
An overview of the recent developments in the study of flow patterns and boiling heat transfer in small to micro diameter tubes is presented. The latest results of a long-term study of flow boiling of R134a in five vertical stainless steel tubes of ...
Karayiannis, TG   +3 more
core   +6 more sources

Thermal quadrupole method with internal heat sources [PDF]

open access: yes, 2012
A new method based on the thermal quadrupoles technique for heat transfer modelling in multilayered slabs with heat sources is proposed. Classical thermal quadrupoles use hyperbolic functions and numerical problems occur according to the argument value ...
A. Kusiak   +21 more
core   +1 more source

Coupling heat and electricity sources to intermediate temperature steam electrolysis [PDF]

open access: yes, 2012
The use of CO2-free energy sources for running SOEC (solid-oxide electrolysis cell) technologies has a great potential to reduce the carbon dioxide emissions compared to fossil fuel based technologies for hydrogen production.
Roeb, Martin   +12 more
core  

EFFECTS OF FLOW ROUTING PLATE ON MIXED CONVECTION HEAT TRANSFER FROM PROTRUDED HEAT SOURCES

open access: yes, 2017
In this study, the effect of the flow routing plates on the laminar mixed convection heat transfer in a horizontal channel that has protruded heat sources at the bottom and top surfaces were investigated numerically and experimentally.
KURŞUN, BURAK, Sivrioglu, Mecit
core   +1 more source

Evaluating the potential of a process site for waste heat recovery [PDF]

open access: yes, 2014
Full text via FindIt@Manchester(opens in a new window)|Full-text(opens in a new window)| Export | Download | More... Chemical Engineering TransactionsVolume 39, Issue Special Issue, 2014, Pages 1069-107417th Conference on Process Integration, Modelling ...
Perry, Simon   +2 more
core   +1 more source

Investigation of heat transfer enhancement in impinging jet-dimpled-protruded solar air heaters

open access: yesArchive of Mechanical Engineering
Solar energy is a source of renewable energy and is considered a clean, convenient,sustainable, safe, abundant, and economical source. Solar Air Heaters (SAHs) are oneof the applications of solar energy.
M. Waqas   +4 more
semanticscholar   +1 more source

Experimental determination of natural convection heat transfer coefficients in an attic shaped enclosure [PDF]

open access: yes, 2010
Heat transfer by natural convection in triangular enclosures is an area of significant importance in applications such as the design of greenhouses, attics and solar water heaters.
Carson, James K.   +2 more
core   +1 more source

Tables for solution of the heat-conduction equation with a time-dependent heating rate [PDF]

open access: yes, 1962
Tables are presented for the solution of the transient onedimensional heat flow in a solid body of constant material properties with the heating rate at one boundary dependent on time. These tables allow convenient and rapid estimation of the temperature
Bergles A. E.
core  

Simulation of Induction Surface Hardening of Large Bearing Rings Using Volume Heat Sources – Part 1

open access: yesHTM: Journal of Heat Treatment and Materials
Induction hardening of large bearing rings made of steel is a very challenging task. The four interacting physical fields electromagnetics, temperature, phase transformations and mechanics combined with the highly nonlinear material properties of typical
M. K. Stephan, M. Reich, O. Keßler
semanticscholar   +1 more source

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