Perbandingan Performa Dan Emisi Pada Mesin Diesel Berbahan Bakar Diesel-Metanol Dengan Metode Blending Dan Dual Fuel Injection

Kuta, Kadek Brahmanta Yudha Prawira (2024) Perbandingan Performa Dan Emisi Pada Mesin Diesel Berbahan Bakar Diesel-Metanol Dengan Metode Blending Dan Dual Fuel Injection. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Penggunaan biodiesel sebagai bahan bakar mesin diesel berpengaruh terhadap peningkatan emisi NOx mesin diesel. Tingginya emisi yang dihasilkan mesin diesel dengan bahan bakar biodiesel dapat diatasi dengan mensubstitusikan metanol pada bahan bakar. Substitusi metanol pada bahan bakar mesin diesel dapat dilakukan dengan menggunakan metode diesel metanol blend dan diesel metanol dual fuel injection. Penggunaan metanol sebagai bahan bakar mesin diesel memiliki peran penting dalam perubahan performa mesin dan emisi mesin. Penelitian ini menganalisa dampak substitusi metanol pada bahan bakar mesin diesel dengan metode blending dan dual fuel injection terhadap performa dan emisi mesin diesel. Blending antara bahan bakar diesel dan metanol dilakukan dengan cara emulsi karena campuran kedua bahan bakar sulit untuk homogen, pada metode emulsi ditambahkan aditif untuk menstabilkan emulsi. Pada metode dual fuel injection, metanol diinjeksikan melalui air intake manifold mesin. Substitusi metanol pada metode diesel metanol blend adalah sebesar 15%, 20%, dan 22%. Dengan metode diesel metanol blend, didapat peningkatan performa berupa peningkatan torsi dan power mesin serta penurunan konsumsi bahan bakar spesifik. Peningkatan torsi dan power mesin dengan metode diesel metanol blend pada substitusi metanol 15%, 20%, dan 22% berturut – turut sebesar 5%, 7%, dan 4%. Dampak substitusi metanol pada metode diesel metanol blend terhadap emisi adalah penurunan emisi NOx, CO2, dan smoke value. Pada metode diesel metano dual fuel injection, rasio substitusi metanol adalah sebesar 15%, 20%, dan 25%. Dampak substitusi metanol dengan metode injeksi adalah peningkatan performa berupa peningkatan torsi dan power serta penurunan energi konsumsi. Peningkatan torsi dan power mesin dengan metode injeksi pada substitusi metanol 15%, 20%, dan 25% berturut – turut sebesar 7.2%, 10%, dan 8.7%. Konsumsi energi akan menurun seiring penambahan rasio substitusi metanol. Dengan menggunakan metode diesel metanol dual fuel injection, emisi NOx, smoke value, dan CO2 menurun. Peningkatan performa mesin yang lebih baik didapat dari substitusi metanol dengan metode diesel metanol dual fuel injection. Sedangkan penurunan emisi yang lebih baik didapat dari substitusi metanol dengan metode diesel metanol blend. ===========================================================
The use of biodiesel as diesel engine fuel has an effect on increasing NOx emissions of diesel engines. The high emissions produced by diesel engines with biodiesel fuel can be overcome by substituting methanol in the fuel. Methanol substitution in diesel engine fuel can be done using the diesel methanol blend and diesel methanol dual fuel injection methods. The use of methanol as a diesel engine fuel has an important role in changing engine performance and engine emissions. This study analyzes the impact of methanol substitution on diesel engine fuel by blending and dual fuel injection methods on diesel engine performance and emissions. Blending between diesel fuel and methanol is done by emulsion because the mixture of these two fuels is difficult to homogeneize, in the emulsion method additives are added to stabilize the emulsion. In the dual fuel injection method, methanol is injected through the air intake manifold of the engine. Methanol substitution in the diesel methanol blend method is 15%, 20%, and 22%. With the diesel methanol blend method, an increase in performance is obtained in the form of an increase in engine torque and power and a decrease in specific fuel consumption. The impact of methanol substitution on the diesel methanol blend method on emissions is a reduction in NOx, CO2, and smoke value emissions. In the diesel methanol dual fuel injection method, the methanol substitution ratios are 15%, 20%, and 25%. The impact of methanol substitution by injection method is an increase in performance in the form of increased torque and power and a decrease in energy consumption. The increase in engine torque and power by the injection method on methanol substitution was 15%, 20%, and 25%, respectively by 7.2%, 10%, and 8.7%. Energy consumption will decrease as the methanol substitution ratio increases. By using the diesel methanol dual fuel injection method, NOx, smoke value, and CO2 emissions decrease. Better engine performance improvement is obtained from methanol substitution with the diesel methanol dual fuel injection method. Meanwhile, better emission reduction is obtained from methanol substitution with the diesel methanol blend method.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Blending, Dual Fuel Injection, Emisi, Emulsi, Metanol, Performa Mesin ====================== Blending, Dual Fuel Injection, Emission, Emulsion, Engine Performance, Methanol
Subjects:	V Naval Science > VM Naval architecture. Shipbuilding. Marine engineering > VM731 Marine Engines
Divisions:	Faculty of Marine Technology (MARTECH) > Marine Engineering > 36202-(S1) Undergraduate Thesis
Depositing User:	Kadek Brahmanta Yudha Prawira Kuta
Date Deposited:	06 Aug 2024 18:37
Last Modified:	06 Aug 2024 18:37
URI:	http://repository.its.ac.id/id/eprint/112292

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