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Feri Hidayatulloh
Universitas Sunan Gresik
Automotive Engineering Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering

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Performance And Exhaust Emission Of Spark Ignition Engine On Various Spark Plug Gap Feri Hidayatulloh; Ata Nugraha
Automotive Innovations Journal Online First
Publisher : Department of Automotive Engineering Technolgy

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Abstract

Spark plugs are components that play an important role in the ignition system of internal combustion engines. In this study, three spark plug gaps have been varied to investigate the combustion process in the combustion chamber by evaluating engine performance and exhaust emissions. The type of engine used for testing is a 1 cylinder 4 stroke engine with a capacity of 125cc using RON 90 fuel. The variations in spark plug electrode gaps applied are 0.4, 0.6 and 0.8 mm. Engine performance and emission levels were tested using a Rextro pro-dyno dynamometer and a techno test gas analyzer. Several main parameters of engine performance such as torque, power and fuel consumption were observed in three different variations and exhaust gases such as CO, CO2, HC and O2 were also observed. The results showed that engine performance increased. The highest increase in engine performance was at a spark plug gap of 0.8 mm compared to other spark plug gap variations. The resulting exhaust emissions increased in all spark plug gap parameters. Maximum power is achieved at 6.86 kW and maximum torque is 8.86 Nm at a spark plug gap of 0.8 mm. Low exhaust emissions are produced at a spark plug gap of 0.4 mm
Pembuatan Kontur Permukaan Piston Diameter 50 mm, Tinggi 15 mm, AA 2618 Kapasitas 2 Buah/Jam Ata Syifa’ Nugraha; Syamsul Hadi; Miftah Hijriawan; Feri Hidayatulloh; Syafria Wildan Hadi
Automotive Innovations Journal Online First
Publisher : Department of Automotive Engineering Technolgy

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Kurangnya turbulensi dalam pencampuran antara udara dan bahan bakar di ruang bakar silinder mesin Otto 4 langkah 100 cm3 sebagai permasalaanh yang dihadapi. Tujuan pembuatan untuk mendapatkan kontur permukaan piston diameter 50 mm, tinggi 15 mm dari bahan AA 2618. Metode pembuatan meliputi: desain kontur permukaan piston; percobaan dengan beberapa bentuk kontur pada dampak turbulensi (coba-coba) dan analisis data; pemilihan bahan piston dari AA2618 dengan diameter 50 mm dan tinggi 15 mm; perbandingan hasil daya dari hasil berbagai bentuk kontur dari penelitian sebelumnya; pembuatan kontur bergelombang dari arah katup masuk ke arah katup buang dengan tinggi bukit 0,2 mm dan kedalaman lembah 0,2 mm menggunakan mesin CNC milling berjarak antar bukit 3,5 mm; percobaan pembakaran di dalam silinder dengan perbandingan hasil daya antara dengan dan tanpa kontur permukaan piston; pemeriksaan mutu-dimensi permukaan kontur piston. Hasil pembuatan berupa kontur permukaan piston diameter 50 mm, tinggi 15 mm dari bahan AA 2618 dengan permukaan kontur bergelombang berukuran tinggi bukit 0,2 m dan kedalaman lembah 0,2 mm dari arah katup masuk ke katup buang dengan total biaya pembuatan Rp 100.000/unit, dan durasi produksi 30 menit/unit yang berkonsekwensi bahwa daya motor 100 cm3 dapat meningkat sekitar 12%.
Co-Authors ata Nugraha Ata Syifa’ Nugraha Miftah Hijriawan Syafria Wildan Hadi Syamsul Hadi