THERMAL SCIENCE

International Scientific Journal

Authors of this Paper

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Yanmin Wei

,

Xin Huang

,

Zirui Hou

,

Xin Zhang

OUTDOOR DESIGN PM2.5 CONCENTRATION METHOD FOR FRESH AIR SYSTEMS BASED ON DUAL-CARBON TARGET: A CASE STUDY OF URBAN ECONOMIC REGIONS FROM CHINA

ABSTRACT
Under the goal of “achieving carbon peak by 2030 and carbon neutrality by 2060”, how to select the type of fresh air system has become a key area of ener¬gy conservation. The method of outdoor design PM2.5 concentration is one of the important factors affecting the selection of fresh air filtration system. This paper first analyzed the PM2.5 concentration values of 31 cities in China from 2017 to 2020 based on mathematical induction, and next gave the recommended coeffi¬cient K under six urban economic regions methods in combination with the actual situation. Finally, the selection of air filters in five typical cities was taken as an example, the differences in recommended coefficient K and selection of outdoor design PM2.5 concentration under different recommended methods were compared and analyzed. The results showed that the recommended coefficient K under the six economic regions could meet the required K value needs of the region. The recommended coefficient K by the six economic regions methods based on per capita GDP is the best. Under that conditions, the recommended coefficient K of the five typical cities under strict and normal conditions differs from the average K values of the six methods by 0.06 and 0.04. This paper will provide a new method for the correct selection of outdoor design PM2.5 concentration in fresh air systems to achieve the dual carbon energy-saving goal.
KEYWORDS
Mathematical induction, economic regions, PM2.5, fresh air systems, selection
PAPER SUBMITTED: 2023-08-28
PAPER REVISED: 2024-02-20
PAPER ACCEPTED: 2024-02-29
PUBLISHED ONLINE: 2024-05-18
DOI REFERENCE: https://doi.org/10.2298/TSCI230828106W
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2024, VOLUME 28, ISSUE Issue 4, PAGES [3141 - 3154]
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Outdoor design PM2.5 concentration method for fresh air systems based on dual-carbon target: A case study of urban economic regions from China

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence