CORRECTION OF CAL3QHC MODEL BASED ON VELOCITY VARIATION IN LOW TEMPERATURE CONDITION

WANG Xiao-ning; YU Si-yuan; GUO Shu-lin

doi:10.13205/j.hjgc.202011021

Volume 38 Issue 11

Apr. 2021

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2020 > 38(11): 130-134

WANG Xiao-ning, YU Si-yuan, GUO Shu-lin. CORRECTION OF CAL3QHC MODEL BASED ON VELOCITY VARIATION IN LOW TEMPERATURE CONDITION[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(11): 130-134. doi: 10.13205/j.hjgc.202011021

Citation:

WANG Xiao-ning, YU Si-yuan, GUO Shu-lin. CORRECTION OF CAL3QHC MODEL BASED ON VELOCITY VARIATION IN LOW TEMPERATURE CONDITION[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(11): 130-134. doi: 10.13205/j.hjgc.202011021

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CORRECTION OF CAL3QHC MODEL BASED ON VELOCITY VARIATION IN LOW TEMPERATURE CONDITION

doi: 10.13205/j.hjgc.202011021

1. School of Transportation Science and Engineering, Harbin Institute of Technology, Harbin 150000, China;
2. School of Transportation, Northeast Forestry University, Harbin 150000, China

Received Date: 2019-12-25
Available Online: 2021-04-23
Publish Date: 2021-04-23

Abstract

Abstract

In winter, there are serious traffic congestion, high vehicle acceleration and deceleration frequency and high idle speed ratio of vehicles, harsh driving conditions and difficulty in spreading emissions in the cold regions in China. According to the above characteristics, this paper introduced the acceleration and deceleration emission parameters to improve the CAL3QHC model, and used the bench test to modify various basic emission rates under the low temperature condition. According to the field investigation of the urban road traffic characteristics in cold region, this paper revised the IVE model to get the comprehensive emission factors, acceleration emission factors and deceleration emission factors of NO_x and PM. Then, the prediction of NO_x and PM in the modified model was tested by field investigation and vehicle experiment analysis in Harbin in winter. The results indicated that the relative errors of NO_x and PM were reduced by 9.2% and 19.4%.
- cold regions,
- low temperature condition,
- acceleration and deceleration emission parameters,
- signalized intersection,
- CAL3QHC model

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References(15)

References

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