[논문]PEMS를 이용한 농업용 트랙터의 배기가스 배출계수 평가

김완수; 이시언; 백승민; 백승윤; 전현호; 김택진; 임류갑; 최장영; 김용주

doi:10.7839/ksfc.2023.20.3.015

[국내논문] PEMS를 이용한 농업용 트랙터의 배기가스 배출계수 평가
Evaluation of exhaust emissions factor of agricultural tractors using portable emission measurement system (PEMS) 원문보기

드라이브ㆍ컨트롤 = Journal of drive and control, v.20 no.3, 2023년, pp.15 - 24

김완수 (Major in Bio-Industrial Machinery Engineering, Kyungpook National University) , 이시언 (Major in Bio-Industrial Machinery Engineering, Kyungpook National University) , 백승민 (Department of Smart Agriculture Systems, Chungnam National University) , 백승윤 (Department of Smart Agriculture Systems, Chungnam National University) , 전현호 (Department of Smart Agriculture Systems, Chungnam National University) , 김택진 (Department of Drive System Team, TYM R&D Center) , 임류갑 (Department of Smart Agriculture, Korea Agriculture Technology Promotion Agency) , 최장영 (Department of Electrical Engineering, Chungnam National University) , 김용주 (Department of Smart Agriculture Systems, Chungnam National University)

Abstract ▼ AI-Helper

The aim of this study was to measure and evaluate the exhaust emission factors of agricultural tractors. Engine characteristics and three exhaust emissions (CO, NOx, PM) were collected under actual agricultural operating conditions. Experiments were performed on idling, driving, plow tillage, and rotary tillage. The load factor (LF) was calculated using the collected engine data, and the emission factor was analyzed using the LF and exhaust emissions. The engine characteristics and exhaust emissions were significantly different for each working condition, and in particular, the LF was significantly different from the currently applied 0.48 LF. The data distribution of exhaust emissions was different depending on the engine speed. In some conditions, the emission factor was higher than the exhaust emission standards. However, since most emission limit standards are values calculated using an engine dynamometer, even if the emission factor measured under actual working conditions is higher, it cannot be regarded as wrong. It is expected that the results of this study can be used for the inventory construction of a calculation for domestic agricultural machinery emissions in the future.

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표/그림 (18)

그림 Fig. 1 Engine characteristic map of tractor used in this study
그림 Fig. 2 Schematic diagram of data measurement
그림 Fig. 3 PEMS installed to the tractor
표 Table 3 Specification of the tractor
그림 Fig. 4 Field experiment of the tractor for measuring exhaust gas emissions
표 Table 4 Weight factor and number of data by tractor operation types
그림 Fig. 5 The entire procedure of data analyzing
그림 Fig. 6 Engine profile of the tractor
표 Table 5 Emission factor of agricultural machinery by regulation stages.
그림 Fig. 7 Data distribution map by engine speed and load factor
그림 Fig. 8 Data distribution map by engine speed and CO emissions
그림 Fig. 9 Data distribution map by engine speed and NOx emissions
표 Table 6 Statistical description of engine characteristics by major agricultural operations
그림 Fig. 10 Data distribution map by engine speed and PM emissions
그림 Fig. 11 Plotting results of emission factors for each exhaust by LF
표 Table 5 Regression analysis as an exponential function for emission factors by LF
표 Table 6 Statistical description of exhaust emission factor of tractors by each operation
표 Table 7 Result of deviation ratio analysis of exhaust emission factor by operations based on emission regulation

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