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Research to Numerical Simulation of Thermal Environment in Typical Household about Central Heating of Household-based Metering

Author: XiHongJun
Tutor: GuanYanLing
School: Chang'an University
Course: Environmental Engineering
Keywords: Experiment Numerical Simulation Airflow Meshing
CLC: TU832
Type: Master's thesis
Year: 2005
Downloads: 174
Quote: 3
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Abstract


As China's heating system reform, residential central heating household metering has been gradually promoted. This one has a problem of concern: namely, the existence of heat transfer between households case of household metering household heat load reasonably assured. This problem is directly related to the heating effect , investment economy and efficient use of energy . The issue at home and abroad on the basis of extensive research , combined with experimental data validation, the first to use numerical simulation study focused typical residential household metering heating airflow temperature distribution law in the hope that it could account for household heat transfer between the heat load and reasonable OK, and provide some ideas and suggestions. This object is selected in Xi'an a household metering three typical residential building adjacent house , in the presence of heat transfer between households in the case of its relevant parameters have been comprehensive field testing , on this basis, and using CFD software FLUENT meshing software GAMBIT, the numerical simulation of the test object , the results are compared with experimental data from the interior flow field characteristic analysis, the average indoor air temperature , heat sink and heat consumption of the various parts of three aspects envelope verified FLUENT simulation applications this complex space at high rayleigh number turbulent pure natural convection reliability , so as to households heat load in the presence of heat transfer between households solve the case provides a quantitative solution. Finally, a simplified two-dimensional model find conditions in several typical indoor heat load and heat transfer between households and made a preliminary analysis .

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