) for various operating modes namely: cooling, heating and simultaneous cooling and heating. Results showed that COP … of condenser water inlet temperature. Actual COP of cooling mode between 1.9 to 3.1 and that of heating mode from 2.9 to … simultaneous space cooling (summer air conditioning) and hot water supply. In order to achieve this objective, a test facility was …

DXSAHP (direct-expansion solar-assisted heat pump) applied to heating. For this application, the model took into account the …

via a new computer program. The main advantage of this approach is to allow us to determine heating and cooling loads with …

demands for electricity, heating, cooling, and hot water for the mix of building types for 8760h of a year. The calculation is …

In this study, heating and cooling performances of counter-flow Ranque–Hilsch vortex tubes (RHVT) were experimentally … RBMTF can be successfully used for the determination of heating and cooling performances of counter-flow RHVT with different …

In the present study, a thermoelectric mini cooler coupling with a micro thermosiphon cooling system has been proposed … for the purpose of CPU cooling. A mathematical model of heat transfer, depending on one-dimensional treatment of thermal … number on the performance of the cooling system. Experimental results indicated that the cooling production increases with …

a buoyancy-driven convective current – a thermosiphon – that reduces or eliminates pumping requirements. We estimated … and compared the strength of this thermosiphon for CO2 and for 20 weight percent NaCl brine for reservoir depths up to 5 … approximately 3–12 times less than brine at the same mass flowrate, making the CO2 thermosiphon sufficient to produce power using …

This paper models energy demand for space and water heating from 1970 to 2005 in the residential sector of four EU … households, floor area per household (m2) and unit consumption for space and water heating (kWh/m2/year) are disaggregated. The …

In many countries, DH (district heating) covers a large share of the heat market. In these countries, the best …