Heating Mode of Type I Ammonia-Water Absorption Heat Pump with Parabolic through Collector

2013 ◽  
Vol 433-435 ◽  
pp. 2250-2253
Author(s):  
Zhao Wang ◽  
Bing Feng Zhao ◽  
Zhen Li
Keyword(s):  
Water Absorption ◽  
Energy Saving ◽  
Heat Pump ◽  
Test Data ◽  
Type I ◽  
Pump System ◽  
Ammonia Water ◽  
Absorption Heat Pump ◽  
Heat Pump System ◽  
Heating Mode

Presents the application of the system to a project in Dezhou. Tests the application effect and the COP of absorption heat pump units and the heat pump system. Analyses and evaluates the energy saving property of the system based on the test data, providing reference for other similar application.

Performance characteristics of an ammonia-water absorption heat pump system

2013 ◽  
Vol 37 (14) ◽  
pp. 1917-1927 ◽  
Author(s):  
Mohamed A. Gadalla ◽  
Talaat A. Ibrahim ◽  
Mohamed A. M. Hassan
Keyword(s):  
Water Absorption ◽  
Heat Pump ◽  
Performance Characteristics ◽  
Pump System ◽  
Ammonia Water ◽  
Absorption Heat Pump ◽  
Heat Pump System

The effect of lithium bromide on the performance of ammonia-water absorption-resorption heat pump system

2020 ◽  
Vol 181 ◽  
pp. 115888 ◽  
Author(s):  
Zhenghao Jin ◽  
Shuhong Li ◽  
Mengkai Xu ◽  
Chengcheng Xu ◽  
Lijie Feng ◽  
...  
Keyword(s):  
Water Absorption ◽  
Heat Pump ◽  
Lithium Bromide ◽  
Pump System ◽  
Ammonia Water ◽  
Heat Pump System

Performance Characteristics of a Combined Ejector-Absorption Heat Pump Using NH3-H2O

1999 ◽  
Author(s):  
D. A. Kouremenos ◽  
E. D. Rogdakis ◽  
G. K. Alexis
Keyword(s):  
Heat Pump ◽  
Gain Factor ◽  
Coefficient Of Performance ◽  
Detailed Calculation ◽  
Absorption System ◽  
Evaporator Temperature ◽  
Pump System ◽  
Heat Gain ◽  
Absorption Heat Pump ◽  
Heat Pump System

Abstract Absorption system have been investigated for many years. However, coefficient of performance COP or heat gain factor HGF for absorption systems are significantly lower than those for conventional compression systems. This has restricted their wide application. This paper discusses the behavior of mixture NH3-H2O through of an ejector, operating in an absorption heat pump system. This combination improves the performance of conventional absorption system and with the phasing out of ozone-damaging refrigerants, absorption refrigerators, heat pumps and air-conditioning now provide a potential alternative. For the detailed calculation of the proposed system a method has been developed, which employs analytical functions describing the thermodynamic properties of die mixture. The influence of three major parameters: generator, condenser and evaporator temperature, on ejector efficiency and heat gain factor of the system is discussed. Also the maximum value of HGF was estimated by correlation of above three temperatures.

scholarly journals Intelligent Calculation Model and Algorithm Optimization of Optimal Operation of Integrated Energy System

2021 ◽  
Vol 2083 (3) ◽  
pp. 032033
Author(s):  
Kun Wang ◽  
Guochao Yang ◽  
Baohua Cheng ◽  
Zhiyong Gan ◽  
Yan Qi ◽  
...  
Keyword(s):  
Energy Saving ◽  
Heat Pump ◽  
Energy System ◽  
Calculation Model ◽  
Optimal Operation ◽  
Ground Source Heat Pump ◽  
Pump System ◽  
Heat Pump System ◽  
Ground Source ◽  
Saving Effect

Abstract This paper analyzes the energy saving effect and optimal operation of the integrated park type energy system. The park type integrated energy system includes photovoltaic power generation system, ground source heat pump system, solar air conditioning system, regenerative electric boiler system and solar hot water system and so on. The energy saving benefit calculation model of each subsystem is established, and according to the operation history data of each subsystem, the calculation results of each subsystem are analyzed. It shows that: The energy saving income of photovoltaic power generation system is 734,200 yuan/year. The main revenue comes from the second and third quarters, during which it should pay attention to the maintenance of photovoltaic modules to ensure the maximum energy saving benefit. The energy saving income of ground source heat pump system in summer is 155,900 yuan/year, and the energy saving effect is not significant. It can cooperate with traditional units for cooling in summer. The heating in winter in the park is provided by ground source heat pump system, regenerative electric boiler system and solar energy air conditioning system. Its energy saving benefit is 3.995 million yuan/year which is the main source of energy saving income in the park, with remarkable energy saving effect.

Effect of pipes in heat pump system on electric vehicle energy saving

2020 ◽  
Vol 17 (11) ◽  
pp. 666-675
Author(s):  
Ming Li ◽  
Song Cui ◽  
Haizhen Huang ◽  
Yan Jiang ◽  
Wangrui Wei
Keyword(s):  
Energy Saving ◽  
Electric Vehicle ◽  
Heat Pump ◽  
Pump System ◽  
Heat Pump System
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