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Teknologi Diesel Particulat Filter Sebagai Upaya Mengurangi Emisi Gas Buang Dan Kebisingan Mesin Diesel Kendaraan Niaga Kurniawan, Moch. Aziz; Fahmadi, Aat Eska; Oktopianto, Yogi; Shofiah, Siti
Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Vol. 8 No. 2 (2021): JURNAL KESELAMATAN TRANSPORTASI JALAN (INDONESIAN JOURNAL OF ROAD SAFETY)
Publisher : Pusat Penelitian dan Pengabdian Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46447/ktj.v8i2.350

The use of diesel engines in commercial vehicles is still the main choice and the most widely used. The increasing number of commercial vehicles that use diesel engines can pollute the environment and cause noise. In order to reduce exhaust emissions and noise in diesel engines, a particulate filter diesel technology was created which is installed in commercial vehicle diesel engines. This study uses an experimental method. The test was carried out on a Mitsubishi L300 commercial vehicle diesel engine type 4D56 4 cylinder with a cylinder capacity of 2477 cc. The diesel particulate filter technology uses a half honeycomb model made from galvalume plates, with variations in the addition of filters in the form of glass wool of 50 grams, 100 grams, 150 grams, 200 grams, and 250 grams. Testing the exhaust emissions of a diesel engine using a TEN Automotive Equipment Innova 2000 multigas analyzer with a smoketester. Sound noise testing using a sound level meter test tool LT Lutron SL-4001. The test results with the addition of diesel particulate filter technology can reduce exhaust emissions and sound noise. The use of diesel particulate filter technology can reduce exhaust emissions in the form of Particulate Matter (PM) most optimally at the addition of a 100 gram filter with a decrease of 45.9%. The most optimal reduction in noise is the addition of a 50 gram filter with a decrease of 26.5%.

Analisis Pengaruh Beban Dan Dimensi Berlebih Kendaraan Angkutan Barang Terhadap Ketahanan Sasis Dan Sistem Suspensi Kendaraan Aat Eska Fahmadi; Rahma Rafinanda; Moch Aziz Kurniawan; Sugianto Sugianto; R. Arief Novianto
Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Vol. 12 No. 2 (2025): JURNAL KESELAMATAN TRANSPORTASI JALAN (INDONESIAN JOURNAL OF ROAD SAFETY)
Publisher : Pusat Penelitian dan Pengabdian Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46447/ktj.v12i2.770

The widespread use of overloaded and overdimensioned freight vehicles (ODOL) has become a serious issue, affecting not only road infrastructure but also the technical components of vehicles, such as the chassis and suspension systems. This study aims to directly analyze the impact of excessive load and dimensions on the durability of the chassis and leaf springs as part of the vehicle’s suspension system. The main problem examined is the extent to which ODOL conditions contribute to technical damage in the chassis and leaf springs.This research adopts an experimental approach by collecting data through field observations, driver interviews, and static load simulations using the Finite Element Analysis method with SolidWorks software. Simulations were conducted on the chassis and leaf springs of an open-bed truck with a 1.2 axle configuration, using three load variations (10%, 20%, and 30% over the vehicle's Gross Vehicle Weight Rating or GVWR). The simulations also aimed to identify the point at which the chassis and leaf springs experience material failure or fracture. The results show a significant increase in stress and displacement in both the chassis and leaf springs under 10%, 20%, and 30% overload conditions. Furthermore, the factor of safety values indicate a declining level of material safety as the load increases. Material failure in the chassis occurred at 55% overload, while the leaf springs failed at 150.7% overload. Based on observations, interviews, and simulation results, this study reinforces the importance of enforcing regulations on vehicle weight and dimensions. In addition to damaging infrastructure, ODOL vehicles significantly compromise the structural integrity of the chassis and suspension system, leading to increased vehicle maintenance costs. This research is expected to serve as a technical reference for business operators and policymakers in supporting the Zero ODOL program and as a basis for developing more evidence-based road safety policies.

Studi Eksperimen Penggunaan Diesel Particulat Filter Terhadap Temperatur Oli Mesin, Air Radiator, Dan Exhaust Manifold Mesin Diesel Moch. Aziz Kurniawan; Helmi Wibowo; Aat Eska Fahmadi; Nasrul Amin; Muhammad Farras
Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Vol. 12 No. 2 (2025): JURNAL KESELAMATAN TRANSPORTASI JALAN (INDONESIAN JOURNAL OF ROAD SAFETY)
Publisher : Pusat Penelitian dan Pengabdian Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46447/ktj.v12i2.771

The use of vehicles using diesel engines is increasing and has a direct impact on increasing exhaust emissions, especially particulate matter (PM), which is harmful to health and the environment. This study aims to analyze the installation of a honeycomb Diesel Particulate Filter (DPF) made of galvalum on exhaust emissions and engine temperature in a Mitsubishi L300 vehicle. The DPF was designed using galvalum material with a square honeycomb configuration and glasswool variations of 50, 100, and 150 grams. The test was conducted experimentally by comparing conditions without DPF and after DPF installation, including testing exhaust emissions, engine oil temperature, radiator water temperature, and exhaust manifold temperature. The installation of a diesel particulate filter (DPF) can reduce exhaust emissions by up to 37.1% at DPF 150 variations. DPF installation also relatively increases the temperature of radiator water, engine oil, and exhaust manifold in diesel engines. The largest temperature increase in exhaust manifold temperature is up to 8.02% compared to without using DPF at idle conditions. This temperature increase is caused by the honeycomb and glasswool structures that can create obstacles to the flow of exhaust gases. When the engine speed reaches 2000 rpm, there is an increase in exhaust manifold temperature of up to 15.09% compared to idle speed. This increase is due to faster engine speed so that combustion heat also increases.

Analisis Pengaruh Beban Dan Dimensi Berlebih Kendaraan Angkutan Barang Terhadap Ketahanan Sasis Dan Sistem Suspensi Kendaraan Aat Eska Fahmadi; Rahma Rafinanda; Moch Aziz Kurniawan; Sugianto Sugianto; R. Arief Novianto
Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Vol. 12 No. 2 (2025): JURNAL KESELAMATAN TRANSPORTASI JALAN (INDONESIAN JOURNAL OF ROAD SAFETY)
Publisher : Pusat Penelitian dan Pengabdian Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46447/ktj.v12i2.770

The widespread use of overloaded and overdimensioned freight vehicles (ODOL) has become a serious issue, affecting not only road infrastructure but also the technical components of vehicles, such as the chassis and suspension systems. This study aims to directly analyze the impact of excessive load and dimensions on the durability of the chassis and leaf springs as part of the vehicle’s suspension system. The main problem examined is the extent to which ODOL conditions contribute to technical damage in the chassis and leaf springs.This research adopts an experimental approach by collecting data through field observations, driver interviews, and static load simulations using the Finite Element Analysis method with SolidWorks software. Simulations were conducted on the chassis and leaf springs of an open-bed truck with a 1.2 axle configuration, using three load variations (10%, 20%, and 30% over the vehicle's Gross Vehicle Weight Rating or GVWR). The simulations also aimed to identify the point at which the chassis and leaf springs experience material failure or fracture. The results show a significant increase in stress and displacement in both the chassis and leaf springs under 10%, 20%, and 30% overload conditions. Furthermore, the factor of safety values indicate a declining level of material safety as the load increases. Material failure in the chassis occurred at 55% overload, while the leaf springs failed at 150.7% overload. Based on observations, interviews, and simulation results, this study reinforces the importance of enforcing regulations on vehicle weight and dimensions. In addition to damaging infrastructure, ODOL vehicles significantly compromise the structural integrity of the chassis and suspension system, leading to increased vehicle maintenance costs. This research is expected to serve as a technical reference for business operators and policymakers in supporting the Zero ODOL program and as a basis for developing more evidence-based road safety policies.

Studi Eksperimen Penggunaan Diesel Particulat Filter Terhadap Temperatur Oli Mesin, Air Radiator, Dan Exhaust Manifold Mesin Diesel Moch. Aziz Kurniawan; Helmi Wibowo; Aat Eska Fahmadi; Nasrul Amin; Muhammad Farras
Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Vol. 12 No. 2 (2025): JURNAL KESELAMATAN TRANSPORTASI JALAN (INDONESIAN JOURNAL OF ROAD SAFETY)
Publisher : Pusat Penelitian dan Pengabdian Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46447/ktj.v12i2.771

The use of vehicles using diesel engines is increasing and has a direct impact on increasing exhaust emissions, especially particulate matter (PM), which is harmful to health and the environment. This study aims to analyze the installation of a honeycomb Diesel Particulate Filter (DPF) made of galvalum on exhaust emissions and engine temperature in a Mitsubishi L300 vehicle. The DPF was designed using galvalum material with a square honeycomb configuration and glasswool variations of 50, 100, and 150 grams. The test was conducted experimentally by comparing conditions without DPF and after DPF installation, including testing exhaust emissions, engine oil temperature, radiator water temperature, and exhaust manifold temperature. The installation of a diesel particulate filter (DPF) can reduce exhaust emissions by up to 37.1% at DPF 150 variations. DPF installation also relatively increases the temperature of radiator water, engine oil, and exhaust manifold in diesel engines. The largest temperature increase in exhaust manifold temperature is up to 8.02% compared to without using DPF at idle conditions. This temperature increase is caused by the honeycomb and glasswool structures that can create obstacles to the flow of exhaust gases. When the engine speed reaches 2000 rpm, there is an increase in exhaust manifold temperature of up to 15.09% compared to idle speed. This increase is due to faster engine speed so that combustion heat also increases.

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