• No results found

Heat pumps

UK Summary Report on IEA Heat Pump Technology Collaboration Programme (TCP) Annex 43 : thermally driven heat pumps

UK Summary Report on IEA Heat Pump Technology Collaboration Programme (TCP) Annex 43 : thermally driven heat pumps

... (IEA) Heat Pump Annex 43, Fuel Driven Heat Pumps. The IEA Heat Pump Programme (HPP) Annexes work by task sharing, with each participant country covering its own costs plus those of the ...

21

UNDERGROUND THERMAL ENERGY STORAGE (UTES) WITH HEAT PUMPS IN NORWAY

UNDERGROUND THERMAL ENERGY STORAGE (UTES) WITH HEAT PUMPS IN NORWAY

... Today 82 TWh or 38 % of Norway’s stationary energy use is used for heat and electricity for private, public and commercial buildings. The demand of cooling is increasing due to changes in the building code and ...

6

Non-ducted air conditioners and heat pumps Testing and rating for performance

Non-ducted air conditioners and heat pumps Testing and rating for performance

... This document does not cover the determination of seasonal efficiencies, which can be required in some countries because they provide a better indication of efficiency under actual operating conditions. NOTE Throughout ...

11

Upscaling a district heating system based on biogas cogeneration and heat pumps

Upscaling a district heating system based on biogas cogeneration and heat pumps

... combined heat and power engine (CHP), backup boilers, high temperature (HT) water storage, heat pumps, and aquifer underground thermal ...supply heat pumps placed at houses with no ...

13

Simplified modelling of air source heat pumps producing detailed results

Simplified modelling of air source heat pumps producing detailed results

... Heat Pumps are integrated into the SAP methodology and detailed in SAP 2009 Appendix N, Micro-cogeneration (or micro-CHP), “Heat pumps provide space and/or water heating with efficiencies in ...

14

EM&V Forum: Primary Research Ductless Heat Pumps

EM&V Forum: Primary Research Ductless Heat Pumps

... and Heat Pumps which reject condensate to the condenser air shall pass the following condensate disposal test when operating with airflow rates as determined in ...

151

Experimental Performance Analysis of Ground Source Heat Pumps (GSHPs)

Experimental Performance Analysis of Ground Source Heat Pumps (GSHPs)

... Source Heat Pumps (GSHP) have become as one of the most indispensable cooling and heating systems in residential applications since they have higher energy efficiency compared to the other conventional ...

7

The Comparison between Two High-Temperature Heat-Pumps for the Production of Sanitary Water

The Comparison between Two High-Temperature Heat-Pumps for the Production of Sanitary Water

... [1]. Heat-pumps could play an important role in achieving this goal as they are considered as one of the more important decarbonisation technologies for energy systems throughout the ...Traditional ...

6

Assessing heat pumps as flexible load

Assessing heat pumps as flexible load

... both heat pumps and µCHP on electrical ...was heat-led and that the reverse flow could be eliminated if the µCHP was ...of heat demand. Hewitt [11] examined the use of heat pumps ...

29

Impact of Heat Pumps Flexibility in a French Residential Eco-District

Impact of Heat Pumps Flexibility in a French Residential Eco-District

... on a new residential district, thermally fed by heat pumps. Four modeling approaches were confronted in order to estimate buildings’ responses to load shedding orders. On the one hand, a quick estimation of ...

10

HEATING GLASGOW UNIVERSITY WITH RIVER SOURCED HEAT PUMPS

HEATING GLASGOW UNIVERSITY WITH RIVER SOURCED HEAT PUMPS

... Renewable Heat Incentive (RHI) is a scheme that has been introduced by the UK government to help reduce greenhouse gas emissions and meet targets for reducing the effects of climate change (Department of Energy ...

8

Use of Heat Pumps for Heating and Night Cooling of Greenhouses

Use of Heat Pumps for Heating and Night Cooling of Greenhouses

... Heat pumps have also been studied for heating of greenhouses but the studies used either ground water [Kozai, 1986] or abandoned coal mines [Marsh and Singh, 1994] as the source of ...the heat pump ...

173

Power Plant Waste Heat Recovery for Household Heating Using Heat Pumps

Power Plant Waste Heat Recovery for Household Heating Using Heat Pumps

... All heat pumps perform the same three functions: receipt of heat from the waste3heat source; increase of the waste3heat temperature; delivery of the useful heat at the elevated ...Waste ...

9

The Application of the Ground Source and Air to Water Heat Pumps in Cold Climate Areas

The Application of the Ground Source and Air to Water Heat Pumps in Cold Climate Areas

... the heat pump should be large enough to produce 90% of the required annual thermal ...a heat pump is installed in an existing ...the heat pump is lower than that from a fossil fuel boiler, already ...

9

Load management of heat pumps using phase change heat storage

Load management of heat pumps using phase change heat storage

... that heat pump operating times can be shifted outside periods of peak electrical ...source heat pumps (ASHP) retro-fitted into to a variety of UK ...in heat pump operating times should have a ...

10

Energy saving potential of high temperature heat pumps in the UK Food and Drink sector

Energy saving potential of high temperature heat pumps in the UK Food and Drink sector

... require heat at relatively low temperatures ...temperature heat pumps under development present a heat source that is efficient (especially if coupled with waste heat sources) and low ...

8

Fixing Efficiency Values by Unfixing Compressor Speed: Dynamic Test Method for Heat Pumps

Fixing Efficiency Values by Unfixing Compressor Speed: Dynamic Test Method for Heat Pumps

... of heat pumps indicates the need for a performance test method which better reflects the dynamic behavior of heat ...of heat pumps by means of laboratory ...the heat pump control ...

16

Experimental Study and Modeling of Ground-Source Heat Pumps with Combi-Storage in Buildings

Experimental Study and Modeling of Ground-Source Heat Pumps with Combi-Storage in Buildings

... air-source heat pumps (ASHP) and ground-source heat pumps ...the heat pump control, system dimension and hydraulics to minimize the operation costs and maximize the use of renewable ...

18

A methodology for designing decentralised energy systems with predictive control for heat pumps and thermal storage

A methodology for designing decentralised energy systems with predictive control for heat pumps and thermal storage

... large-scale heat pumps (capacity > 100kW). Air source heat pumps (ASHP) require additional modelling consideration with respect to the defrost cycles which effect performance in temperature ...

8

WWZ High efficiency HYBRID heat pumps with E.V.I compressor in two sections

WWZ High efficiency HYBRID heat pumps with E.V.I compressor in two sections

... Heat pumps utilise scroll compressors that are equipped with E.V.I. technology, a ver- satile method of improving system capacity and efficiency. EVI stands for “Economised Vapour Injection.” The technology ...

8

Show all 7751 documents...

Related subjects