The Contrast Experimental Study of Sewage Source Heat Pump System and Ground Source Heat Pump System in Hot Summer and Cold Winter Area

For two practical engineering case in a University in Guilin, this paper mainly introduces the performance of sewage-source heat pump and ground source heat pump and compare the running status in two kinds of system. The studies have shown that the sewage source heat pump unit COP at about 3.9, the system COP at about 3.3, ground source heat pump unit COP at about 4.5, the system COP at about 3.4.

Download Full-text

Research and Development of Ground Source Heat Pump Unit Remote Real-Time Monitoring System

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.121-126.2162 ◽

2011 ◽

Vol 121-126 ◽

pp. 2162-2166

Author(s):

Yan Mei Meng ◽

Hai Feng Pang ◽

Ying Ning Hu ◽

Quan Zhou ◽

Dao Yang Li ◽

...

Keyword(s):

Real Time ◽

Monitoring System ◽

Heat Pump ◽

Host Computer ◽

Ground Source Heat Pump ◽

Real Time Monitoring ◽

Pump Unit ◽

Pump System ◽

Ground Source ◽

Heat Pump Unit

This paper describes the research and implementation of ground source heat pump unit remote real-time monitoring system, researches in remote real-time monitoring system's overall design, hardware design, software design and implementation of OPC communication. The host computer takes advantage of the human-computer interaction interface of configuration software to achieve the remote real-time monitoring for ground source heat pump unit's running state; the lower computer uses data collector to intensively collect the data which is measured by field measuring instruments, and to achieve remote data transmission based on Ethernet, and then to carry out the communication between the host computer and the lower computer via OPC technology. The results show that the system achieves remote real-time monitoring of ground source heat pump unit, and is stable, easy to operate and provides a reliable basis for the actual energy saving effect's evaluation of ground source heat pump system.

Download Full-text

Experimental Study on New Sewage Source Heat Pump Unit

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.316-317.49 ◽

2013 ◽

Vol 316-317 ◽

pp. 49-52

Author(s):

Zhi Yi Wang ◽

Jian Jun Li ◽

Zu Dong Pan

Keyword(s):

Heat Pump ◽

Volume Ratio ◽

Pump Unit ◽

Pump System ◽

Dual Purpose ◽

Heat Pump System ◽

Urban Sewage ◽

Existing Problems ◽

Heat Pump Unit ◽

Sewage Source

By the analysis of the current technical conditions and existing problems, some improvements are carried out on the urban sewage source heat pump unit. are as follows: Refrigerants side switch sewage source heat pump system, dual-purpose heat exchange for evaporating and condensing & wastewater can enter the unit directly are of the main features of the improved units. Some important techniques, such as inverter screw compressor and variable compressor inner volume ratio are used to the improved unit at the same time. From the authoritative organization’s test, the improved sewage-source heat pump unit has an excellence performance in the nominal cooling and heating conditions.

Download Full-text

Soil Thermal Balance Analysis for a Ground Source Heat Pump System in a Hot-Summer and Cold-Winter Region

Energies ◽

10.3390/en11051206 ◽

2018 ◽

Vol 11 (5) ◽

pp. 1206 ◽

Cited By ~ 9

Author(s):

Zhongchao Zhao ◽

Rendong Shen ◽

Weixian Feng ◽

Yong Zhang ◽

Yanrui Zhang

Keyword(s):

Heat Pump ◽

Thermal Balance ◽

Ground Source Heat Pump ◽

Cold Winter ◽

Pump System ◽

Heat Pump System ◽

Ground Source ◽

Balance Analysis

Download Full-text

Measurement and analysis of cooling (heat) performance of renewable energy technology projects based on ground source heat pump systems

E3S Web of Conferences ◽

10.1051/e3sconf/202124802042 ◽

2021 ◽

Vol 248 ◽

pp. 02042

Author(s):

Cuiqing Chang

Keyword(s):

Heat Pump ◽

Efficiency Coefficient ◽

Ground Source Heat Pump ◽

Pump System ◽

The Sustainable Development ◽

Heat Pump System ◽

Heat Efficiency ◽

Ground Source ◽

Heat Pump Unit ◽

And Performance

The design, configuration and operation of the soil-source heat pump system in four actual projects are monitored, collected and investigated. Combined with various test parameters of the project, the energy efficiency of the ground source heat pump system was compared and measured, and detailed data analysis was conducted from the aspects of heat exchange of ground source heat pump system, heat efficiency coefficient of ground source heat pump system, performance of ground source heat pump unit and performance of soil source heat pump system. It provides a basis for the formulation of operation strategy of soil-source heat pump system in the future, so as to serve the sustainable development of energy saving technology of shallow soil-source heat pump system.

Download Full-text