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Research on the Key Problems of Application Planning of Seawater Source Heat Pump in Qingdao

Author: WangZuoZuo
Tutor: HuSongTao
School: Qingdao Technological University
Course: Heating,Gas Supply, Ventilation and Air Conditioning Engineering
Keywords: Sea water source heat pump system Temperature distribution in Performance Analysis Optimization Value Engineering ~ 1
CLC: TU831.3
Type: Master's thesis
Year: 2010
Downloads: 67
Quote: 0
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Abstract


Sea water source heat pump system due to the obvious advantages of energy saving and environmental protection, in today by the domestic and foreign government departments and the general concern of the researchers, and in the coastal areas more and more used in engineering practice. Energy and Technology Division of the Ministry of Housing and Urban construction projects - the support of the coastal areas of sea water source heat pump technology application planning, the the Qingdao sea water source heat pump system application planning process, the factors affecting system performance to explore and optimization, and sea water source heat pump system and compared to the conventional air conditioning system, to explore the economic advantage of sea water source heat pump system and affect system performance sensitive factors from the perspective of value engineering. First, the temperature distribution of the characteristics and laws of our waters and the Qingdao waters in which the summary. Order Fourier series in the form of annual curve fitting Qingdao waters surface seawater temperature and atmospheric temperature and vertical direction, water temperature in winter and summer variation of the specific analysis. Then, establish a dynamic mathematical model of the system components, including the compressor, condenser, evaporator, electronic expansion valve, plate heat exchangers and pumps, using Cleland model of the the refrigerant thermodynamic parameters calculated, and then prepared for the platform Matlab software the calculation program of the system performance. After that, according to the experimental measurements of the system model calculated checksum. On the basis of a reliable system simulation, based on the mathematical model and the calculation procedure of the preparation and analysis of different water depth variation of the different water pipeline system performance than the friction. The same time, from the economic point of view, the minimum annual cost for the evaluation index, the differential method to establish water pipelines economy than friction objective function than the friction, the economic diameter and economic velocity, water pipelines economic optimization. Finally, the use of the theory of value engineering, sea water source heat pump system and the other two traditional commonly used system in the analysis on the basis of its initial investment and operating costs, respectively, to compare the functional importance of the three systems, to calculate the functional coefficient life cycle cost factor and the value of the coefficient to the value of the coefficient of the smallest program for the best. Indicators to the cost of the annual value of the analysis of the initial investment, tariffs and social discount rate sensitive factor of three economic impact of sea water source heat pump system.

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CLC: > Industrial Technology > Building Science > Housing construction equipment > Air-conditioning, heating, ventilation,and its equipment > Air-conditioning > Air-conditioning systems
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