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Research on Constant Flow Control Operation Parameters and Imbalance of Heating System

Author: LiuYongZuo
Tutor: MaShiJun
School: Harbin Institute of Technology
Course: Heating,Gas Supply, Ventilation and Air Conditioning Engineering
Keywords: Quality regulation One-pipe system Vertical imbalance Outdoor temperature
CLC: TU832.11
Type: Master's thesis
Year: 2007
Downloads: 182
Quote: 1
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Abstract


With the steadily increasing our central heating geographical coverage area , less energy consumption for greater economic and social benefits , resources and environmental protection , protection of the sustainable development of the national economy , and to meet the people 's increasing demand for life and the more increasingly attracting attention . Heat regulation is an important means to ensure the heating quality and energy efficiency in the operation of the heating system . Due to the complexity of the city 's central heating system , the article only explores the problems of the operation and adjustment of the heating system under different conditions and energy-saving measures should be taken . The system of regulation of the single tube used in most existing buildings , the vertical offset of the main concern of the room , i.e. on the lower room Lengrebujun and its deviation from the case of the indoor temperature , the influence of the different factors way and the relative size of the computational analysis . First, the analysis of building thermal load calculations reduce the thermal imbalance , which is mainly on the the vertical imbalance primary and secondary influencing factors distinguish . Analysis of quality regulation , as well as the basic formula to identify the factors that the quality adjustment formula affect indoor temperature analysis . Next, respectively confront each factor adjustment formula to calculate and analyze . Due to the impact of these factors in different ways , using different analytical methods . This paper mainly using Matlab recursive calculation different under the conditions of the outdoor temperature , the flow rate change when the layers of the indoor temperature . Prevalence of selected cooling area is too large for the existing buildings made ??specific instructions . Finally, the application of statistical and mathematical analysis theory analysis, the flow changes or cooling area selected is too large lead to vertical imbalance . The outdoor quality regulation known flow changes the temperature selected for a comparative analysis , some the run adjustment valuable for both architectural design analysis .

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