Study on Exhaust Uniformity of a Multi-terminal System

  • Yirui Wang
  • Jun GaoEmail author
Conference paper
Part of the Environmental Science and Engineering book series (ESE)


Accompanied by the growth of high-rise residential, the main problems of the residential flue (uneven exhaust; deficiency exhaust; fumes and odor intrusion; fire hazard; and automatic control system design difficulty) are more prominent, which will lead to the fumes and cause great menace to human health. In order to improve the exhaust performance of the flue, this paper designed and installed a variable pressure plate in the centralized flue, and analyzed various factors (presence of variable pressure plate, opening rate, position distribution of open terminals) affecting the exhaust uniformity of the multi-terminal system through experiment. The results show that the installation of the plate in the reference condition can effectively improve the uniformity. The variance analysis and range analysis of the obtained data show that for the multi-terminal system without the variable pressure plate, the influence of opening rate on its uniformity is far greater than the position distribution; and the influence of terminal position distribution is much more than the opening rate in the multi-terminal system with the transformer plate.


Multi-terminal system Exhaust uniformity Variable pressure plate Opening rate Position distribution of open terminals 



This research has been supported by the National Natural Science Foundation of China (NSFC) for its financial support for the research project ‘research on the uniform and adaptive smoke exhaust dynamics and design methods of high-rise residential kitchens’ (No. 51578387).


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© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.School of Mechanical EngineeringTongji UniversityShanghaiChina

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