大型拖拉机驾驶室PM 10 和PM 2.5 净化效果仿真分析

Translated title of the contribution: Simulation of Cleaning Effect of PM 10 and PM 2.5 in High-power Tractor Cab

Xiao Yang, Enrong Mao, Jianshun Zhang, Zhenghe Song, Xiaoping Jin, Yuefeng Du

Research output: Contribution to journalArticle

Abstract

With the dramatically growing use of agricultural high-power tractors, comfort of cab is an important problem in China. Because of the indirect impact with low comfort of cab, the productivity is restricted. Health of tractor drivers was also undermined by low comfort of the cab. High-power tractors play an important role in tilling machine. The PM concentration in ambient air is very high (512 mg/m 3 ). Foreign mainstream tractor comfortable cabs are enclosure cabs to protect PM into cabs. In the field research, enclosure cab can protest PM 10 and PM 2.5 very well except tilling work. The PM 10 and PM 2.5 concentration cannot reach the human healthy standard when tractor is tilling. The foreign research of PM cleaning system in tractor cab is at an initial stage and the research in Chins is empty. So, the PM research is meaningful. The concentration of PM 10 and PM 2.5 simulation was done based on collection data in other researches. Firstly, the concentration variety model and cleaning model were deduced according to the mass conservation theory. Then, the simulation was done under different cleaning methods (return, supply and free-standing filter) and cleaning efficiency (50%, 75% and 90%) by IAQx1.1-PM. The results showed that the relative cleaning efficiency of return and supply were 92.78% and 96.13%, respectively. These two methods could reach the international human healthy standard. The PM 10 and PM 2.5 concentrations in supply method could be lower than 800 μg/m 3 . Although the relative cleaning efficiency of free-standing filter was between 48% and 66%, the international human healthy standard still could not be reached. The curve of PM 10 and PM 2.5 concentrations showed that supply method was the fastest to get stable statues (1 h). Finally, the human inhalation exposure was calculated. It was indicated that HVAC design method should be used in comfort cab. This method could save the volume of air conditioner volume and control the temperature and PM concentration.

Translated title of the contribution Simulation of Cleaning Effect of PM 10 and PM 2.5 in High-power Tractor Cab
Original languageChinese
Pages (from-to)365-371
Number of pages7
JournalNongye Jixie Xuebao/Transactions of the Chinese Society for Agricultural Machinery
Volume49
Issue number11
DOIs
StatePublished - Nov 25 2018

Keywords

  • Cumulative inhalation
  • Enclosure cab
  • Filter
  • High-power tractor
  • Inhalable particulates
  • Simulation

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Mechanical Engineering

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