Real-time emissions of gaseous pollutants from vehicles under heterogeneous traffic conditions

• Autorzy: Goyal Yuvraj , Meena Sanu , Singh Suresh Kumar , Kulshrestha Mukul

Identyfikatory

DOI

10.20858/sjsutst.2023.118.5

• Języki publikacji: EN

Abstrakty

EN

Air quality problems in cities are often a cause for worry. The air quality index is increasing daily, leading to an increase in cancer and many respiratory problems. Road transport in an urban area is a significant cause of air pollution. The vehicles must meet Indian emission regulations for which the emissions are measured using legally mandated standard driving cycles that did not accurately reflect real-world driving emissions because of varying traffic conditions, meteorological conditions, driving behaviour, vehicle power, performance, etc. This study focuses on real-time emissions of gaseous pollutants hydrocarbon (HC), carbon dioxide (CO2), carbon monoxide (CO), and nitric oxide (NO) from vehicle exhaust pipes under heterogeneous traffic conditions. The emissions were measured using a Portable Emission Measurement System (PEMS). The PEMS used was an AVL MDS 450 analyser mounted on the vehicle, and onroad emissions were captured. The test sample consists of four passenger vehicles with varying engine sizes, manufacturers, and fuel. The test route comprises city and highway areas, and it was discovered that the emissions were reduced by 40 to 70% on highways compared to the city. In petrol BSIV and BSVI engines, the emission was reduced to 41.73% for CO, 46.90% for HC, and 64% for NO in the city area. Speed and emissions scatter graphs were plotted for the vehicles, and it was found that in the city area, the optimum speed for less emission is between 30-40 km/h, and on highways, the optimum speed is 80-90 km/h. The emissions were also sensitive to the rate and frequency of acceleration and decelerations. This type of study is very limited in India, and more such studies are required for the assessment of air quality in metropolitan areas and successful traffic management strategies, as well as for determining instantaneous projections of pollutant emissions.

Słowa kluczowe

EN

real-world driving emissions; portable emission measurement system; heterogeneous traffic condition

PL

rzeczywiste emisje podczas jazdy; przenośny system pomiaru emisji; niejednorodne warunki ruchu drogowego

• Wydawca: Wydawnictwo Politechniki Śląskiej
• Czasopismo: Zeszyty Naukowe. Transport / Politechnika Śląska
• Rocznik: 2023
• Tom: z. 118
• Strony: 55--75
• Opis fizyczny: Bibliogr. 27 poz.

Twórcy

autor

Goyal Yuvraj

• M.Tech Scholar, Department of Civil Engineering, Maulana Azad National Institute of Technology, Bhopal, Madhya Pradesh, India

• https://orcid.org/0000-0002-1471-8190

autor

Meena Sanu

• Department of Civil Engineering, M.B.M. University, Jodhpur 342011 Rajasthan, India

• https://orcid.org/0000-0003-0898-051X

autor

Singh Suresh Kumar

• Department of Civil Engineering, M.B.M. University, Jodhpur 342011 Rajasthan, India

• https://orcid.org/0000-0003-1143-3285

autor

Kulshrestha Mukul

• Department of Civil Engineering, Maulana Azad National Institute of Technology, Bhopal, Madhya Pradesh, India

• https://orcid.org/0000-0002-3917-632

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