The Assessment Of Applicability And The Systemic Design Of The Temperature And Humidity Independent Control Air-conditioner Driven By Solar Energy In Peking Area

With the increasingly development of modern society, the number of energy demand that is consumed in process of production and living increases continuously, which results in a problem of the lack of energy supply. Meanwhile, it is necessary to search for new kinds of reproduceable energy to replace the traditional energy due to the standards of energy-saving and environmental protection. The air-conditioning systems driven by solar energy become the focus of study in the building region of energy-saving at present since it has the advantages of energy-saving, environmental protection, utilization of regenerated energy, etc. In the recent years, air-conditioning technology of independent temperature and humidity control has been developed more quickly such that the independent temperature and humidity control air-conditioning systems driven by solar energy come true. Both abundant solar energy resources and appropriate climate condition in Peking provide advantageous condition to apply the new type of air-conditioning system.This paper centers on the application of temperature and humidity independent control of air-conditioning driven by solar energy in Peking, and starts the research on the following aspects:1) The introduction of the principle and system composition of the temperature and humidity independent control air-conditioning system driven by solar energy and its operational analysis; 2) In connection with the distribution situation of the solar energy resources and the climatic features in Peking, this paper analyzes the applicability of the independent temperature and humidity control air-conditioning system driven by solar energy in Peking, puts forward to the design method of the air-conditioning system under such condition, and designs the temperature and humidity independent control air-conditioning system driven by solar energy that is suitable for Peking, respectively explores its feasibility is verified through both economic and technology.3) Based on systemic analysis and assessment of the design, the simulation results show the correctness of the system and the accuracy of the assessment.Through the research, it is known that the more expensive regeneration needs more area for solar energy collection. Dehumidification solution is more, resulting to the higher initial cost of the part of the regeneration of solution. However, its operating cost is lower and the EER(Energy Efficiency Ratio) is higher. Consequently, the air-conditioning system has certain promotional value. This paper analyzes the system from both the EER and the exergy, reveals the situation of the transformation, transmission, utilization, and loss of the facility's quantity and exergy in energy from the view of energy's quantity and quality. Therefore, reflecting the overall efficiency of energy utilization and its prefect degree of which heat transmission can be reflected. The analysis accurately finds out the weaknesses that influence the system performance and indicates the path for the system's improvement and the optimal design of the heat economy.