Evaluation on environmental, economic and energy savings of ground source heat pumps in cold region of China

学生名:王 鹏轩

研究テーマ:Evaluation of Environmental, Economic, and Energy Savings of Ground Source Heat Pumps in the Cold Region of China

(中国寒冷地における地中熱ヒートポンプの環境性・経済性・省エネルギー性に関する評価研究)

入学年月:2018.04

修了年月:2023.09

取得学位:博士（工学）

論文概要:
China continues to recommend carbon peaking and carbon neutrality, which sets the stage for changes in its economic and social development. Ground source heat pumps (GSHPs) have emerged as a rapidly growing alternative energy source, particularly suitable for the colder regions of northern China. This paper provides a comprehensive overview of the adaptability of ground source heat pumps in cold regions, addresses the challenges associated with soil thermal imbalance, discusses the optimization of heat transfer pore spacing, and emphasizes the environmental, economic, and energy efficiency of ground source heat pumps. Addressing the challenges associated with soil thermal imbalance and optimizing the spacing of heat transfer boreholes are key steps in maximizing the efficiency and reliability of GSHPs. the energy, economic, and environmental benefits of GSHPs further emphasize their potential for widespread implementation. With attention to technological advances and policies, GSHPs can be effectively utilized to promote sustainable development and environmental protection. The structures are explored as follows:
In Chapter 1, the background and purpose of the study are described.
In Chapter 2, the development of ground source heat pump technology and technical bottlenecks are presented.
In Chapter 3, the basic information of the research object and the main research methods of this paper are presented.
In Chapter 4, the simulation and monitoring data of the subsurface soil temperature field of ground source heat pumps are analyzed and studied.
In Chapter 5, the energy efficiency and energy conservation of the ground source heat pump system are analyzed.
In Chapter 6, the economical and environmental aspects of the ground source heat pump system are analyzed.
In chapter 7, conclusions and perspectives are summarized.