scholarly journals Cost and performance of heat-pump-TES and solar-TES household energy systems

1977 ◽  
Author(s):  
Kenneth Heitner ◽  
Arne Molander ◽  
Pamela Moritz
Keyword(s):  
Heat Pump ◽  
Energy Systems ◽  
Household Energy ◽  
And Performance

scholarly journals Heat Pump Bridge Analysis Using the Modified Energy Transfer Diagram

Energies ◽  
2020 ◽  
Vol 14 (1) ◽  
pp. 137
Author(s):  
Florian Schlosser ◽  
Heinrich Wiebe ◽  
Timothy G. Walmsley ◽  
Martin J. Atkins ◽  
Michael R. W. Walmsley ◽  
...  
Keyword(s):  
Energy Transfer ◽  
Heat Pump ◽  
Heat Recovery ◽  
Heat Pumps ◽  
Coefficient Of Performance ◽  
Combined Application ◽  
Recovery Potential ◽  
Composite Curve ◽  
And Performance ◽  
The Individual

Heat pumps are the key technology to decarbonise thermal processes by upgrading industrial surplus heat using renewable electricity. Existing insight-based integration methods refer to the idealised Grand Composite Curve requiring the full exploitation of heat recovery potential but leave the question of how to deal with technical or economic limitations unanswered. In this work, a novel Heat Pump Bridge Analysis (HPBA) is introduced for practically targeting technical and economic heat pump potential by applying Coefficient of Performance curves into the Modified Energy Transfer Diagram (METD). Removing cross-Pinch violations and operating heat exchangers at minimum approach temperatures by combined application of Bridge Analysis increases the heat recovery rate and reduce the temperature lift to be pumped at the same time. The insight-based METD allows the individual matching of heat surpluses and deficits of individual streams with the capabilities and performance of different market-available heat pump concepts. For an illustrative example, the presented modifications based on HPBA increase the economically viable share of the technical heat pump potential from 61% to 79%.

scholarly journals Experiment Study on Performance of Air Source Heat Pump

2013 ◽  
Vol 805-806 ◽  
pp. 645-648
Author(s):  
Wei Xiu Shi ◽  
Li Sheng Pan
Keyword(s):  
Heat Pump ◽  
Temperature Difference ◽  
Heat Pumps ◽  
Outlet Temperature ◽  
Exhaust Temperature ◽  
Air Source Heat Pump ◽  
And Performance ◽  
Save Energy ◽  
C 30 ◽  
Set Up

Under the situation of energy crisis, air source heat pumps are paid more attention recently. In order to save energy, the feasibility and performance of air source heat pump are studied by experiment, and variation laws of exhaust temperature, evaporator outlet temperature and outlet presser of compressor were analyzed in this paper. Air source heat pump apparatus were set up and the experiment was during 10°C, 20°C, 30°C and 40°C. The results were as follows: exhaust temperature of compressor increases gradually with the increase of tank temperature, but the temperature difference between exhaust temperature of compressor and tank temperature becomes little; temperature difference in evaporator decreases; Compressor outlet pressure increases obviously.

scholarly journals Thermoacoustic-Stirling Heat Pump for Domestic Applications

2010 ◽  
Author(s):  
Srinivas Vanapalli ◽  
M. E. H. Tijani ◽  
Simon Spoelstra
Keyword(s):  
Performance Analysis ◽  
The Netherlands ◽  
Heat Pump ◽  
Linear Motor ◽  
Energy Resources ◽  
Coefficient Of Performance ◽  
Energy Usage ◽  
Domestic Heating ◽  
Work Input ◽  
And Performance

Domestic heating contributes to a significant amount of energy usage in the Netherlands. Due to scare energy resources, attention to develop new and efficient technologies is increasing. At ECN, a burner driven heat pump employing thermoacoustic technology is being developed for possible applications in households and offices. The desired temperature lift is from 10 °C to 80 °C. As a first step the heat pump is driven by a linear motor. Measurements and performance analysis of the heat pump are presented in this paper. The heat pump has a coefficient of performance which is the ratio of heat produced to the work input of 1.38 when operating between 10 °C to 80 °C. The performance relative to maximum possible Carnot value is 26.5%.

Onsite measurement and performance analysis of capillary heat pump system used in subway tunnels

2021 ◽  
pp. 118008
Author(s):  
Zhen Tong ◽  
Yiming Guan ◽  
Tingtao Cao ◽  
Yongming Ji ◽  
Songtao Hu ◽  
...  
Keyword(s):  
Performance Analysis ◽  
Heat Pump ◽  
Pump System ◽  
Heat Pump System ◽  
And Performance ◽  
Subway Tunnels

scholarly journals Heat-pump-centered integrated community energy systems

1979 ◽  
Author(s):  
W.J. Schaetzle ◽  
C.E. Brett ◽  
M.S. Seppanen
Keyword(s):  
Heat Pump ◽  
Energy Systems
Sign in / Sign up

Export Citation Format

Share Document