Results 71 to 80 of about 2,210,319 (205)

Dual-Source Heat Pump Application for Boiler Replacement—Investigation by Simulation and Field Monitoring

open access: yesEnergies
In many decarbonization scenarios, heat pumps are seen as a key technology for future heating needs. However, market shares for large-capacity heat pumps are still low despite the potential for significant CO2 reduction.
Christoph Meier, Carsten Wemhoener
doaj   +1 more source

Numerical Investigation of Mixed Convection and Entropy Generation in a Wavy-Walled Cavity Filled with Nanofluid and Involving a Rotating Cylinder

open access: yesEntropy, 2018
This numerical study considers the mixed convection and the inherent entropy generated in Al 2 O 3 –water nanofluid filling a cavity containing a rotating conductive cylinder.
Ammar I. Alsabery   +3 more
doaj   +1 more source

Heat pipes containing alkali metal working fluid [PDF]

open access: yes, 1981
A technique for improving high temperature evaporation-condensation heat-transfer devices which have important and unique advantage in terrestrial and space energy processing is described.
Morris, J. F.
core   +1 more source

Heat sources and heat potentials [PDF]

open access: yesČasopis pro pěstování matematiky, 1980
Kral, Josef, Mrzena, Stanislav
openaire   +2 more sources

Brayton-cycle radioisotope heat-source design study. Phase II /preliminary design/ report [PDF]

open access: yes
Brayton cycle radioisotope heat source ...
Chapman, T. G.   +4 more
core   +1 more source

Low gravity exothermic heating/cooling apparatus [PDF]

open access: yes, 1985
A low gravity exothermic heating/cooling apparatus is disclosed for processing materials in space which includes an insulated casing and a sample support carried within the casing which support a sample container.
Poorman, R. M.
core   +1 more source

Feedback control of variable conductance heat pipes [PDF]

open access: yes, 1972
Feedback system monitors source temperature and makes necessary changes of area available for heat rejection by adjusting storage volume of noncondensible gas and position of vapor/gas ...
Bienert, W. B.
core   +1 more source

Pyrotechnic device provides one-shot heat source [PDF]

open access: yes, 1968
Pyrotechnic heater provides a one-shot heat source capable of creating a predetermined temperature around sealed packages. It is composed of a blend of an active chemical element and another compound which reacts exothermically when ignited and produces ...
Haller, H. C., Lalli, V. R.
core   +1 more source

Convective conditions and dissipation on Tangent Hyperbolic fluid over a chemically heating exponentially porous sheet

open access: yesNonlinear Engineering, 2019
In this present analysis we investigated the steady-state magnetohydrodynamic boundary layer flow of tangent hyperbolic fluid over an exponentially stretching surface in the presence of heat source and chemical reaction.
Patil Mamata, Mahesha, Raju C.S.K.
doaj   +1 more source

Simplified modelling of air source heat pumps producing detailed results [PDF]

open access: yes, 2012
Created by the Building Research Establishment (BRE), the Standard Assessment Procedure (SAP) is the UK Government‟s recommended method of assessing the energy ratings of dwellings.
Allison, John   +3 more
core  

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