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Zulfa Khalida
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PSDKU Polinema Kediri Jalan Lingkar MasKumambang No 1 Sukorame Kota Kediri Jawa Timur
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Jurnal Teknik Mesin
Published by Politeknik Negeri Malang
ISSN : 22524444     EISSN : 25492063     DOI : https://doi.org/10.33795/j-meeg.v2i2.3007
Core Subject : Science, Engineering,
Automotive Engineering Electrical & Electronics Engineering Energy Engineering Mechanical Engineering
Jurnal Teknik Mesin merupakan jurnal ilmiah nasional yang terbit secara berkala dengan artikel-artikel ilmiah dari hasil penelitian di bidang keilmuan teknik mesin meliputi Bidang : Material maju, Perawatan mesin (maintenance), Rekayasa mesin (mechanical engineering), Konversi energi, Otomotif  (Automotive), Sistem kontrol dan K3 (keselamatan dan kesehatan kerja).
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 60 Documents
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OPTIMALISASI INTEGRAL FIN TUBE PADA SISTEM KONDENSASI LUAR BERDASARKAN FLOODING ANGLE : OPTIMALIZATION OF INTEGRAL FIN TUBE IN OUTSIDE CONDENSATION BASED ON FLOODING ANGLE Khalida, Zulfa; Candra Dewi, Kartika; Musyarrofah, Siti; Rahmad, hadi; Puspa, Yulia
Jurnal Teknik Mesin Vol. 2 No. 2 (2023): JURNAL TEKNIK MESIN
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/j-meeg.v2i2.4731

Abstract

Increasing heat transfer in condensation for low surface tension fluid is dominated by using extended area (fin). One of the extended area on pipe is integral fin tube. Designing of integral fin tube should be conducted due to generate optimal condition such as designing fin spacing. Fin spacing has significantly impacted to heat transfer enhancement. Whereas the material of pipe is copper since has higher heat conductivity than others and fluid working is methanol. To predict optimal geometry of integral fin tube is conducted by using mathematical simulation by dividing area into flooded and unflooded. The active area or unflooded area represents the heat transfer area adn enhancement. In this experiment is found that the optimum fin spasing is 1 mm
OPTIMASI RASIO CAMPURAN BIOETHANOL-ACETON-RON 95 TERHADAP DAYA DAN EMISI GAS BUANG PADA MOTOR 125 CC: STUDY OF OPTIMIZATION RATIO OF BIOETHANOL-ACETON-RON 95 MIXTURE FOR 125 CC MOTOR POWER AND EMISSIONS Frandis Arvicky Farel; Hadi, Sugeng
Jurnal Teknik Mesin Vol. 2 No. 2 (2023): JURNAL TEKNIK MESIN
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/j-meeg.v2i2.3269

Abstract

Bioethanol and Acetone are alternative fuels to fossil oil. Bioethanol and Aceton have some advantages in their use as fuels not only because of their renewable nature, these alternative fuels are also believed to reduce some motor vehicle emissions. Bioethanol and acetone have advantages over gasoline, namely a greater octane number. The purpose of this research is to determine the effect of using a combination of Bioethanol, Aceton and RON 95 on power and CO and HC emissions, and to determine the optimization of the fuel ratio on a 125 cc motorcycle by changing the fuel combination and engine speed. This study was conducted by testing on dynotest and Gas Analyzer with CO and HC measurement parameters. Tests on motorcycles were tried with Bioethanol-Acetone mixture ratio, RON 95 with a mixture ratio of 50%:50% (3:7:10; 5:5:10; 7:3:10), 75%:25% (10:5:5; 7.5:7.5:5; 5:10:5), 25%:75% (2.5:2.5:15; 3.5:1.5:15; 1.5:3.5:15). The results of this test are fuel mixture, power test results, CO and HC emission test results. With the optimal power mixture at a ratio of 50% Bio-Ace: 50% RON 95 (3:7:10) at 6000 rpm with 7.85 HP, then in the emission test results obtained the lowest CO content at a mixture ratio of 10:5:5 at the initial rotation (2000 rpm) with a CO content of 0.18% and decreased to 6000 rpm with a CO emission content of 0% and the lowest HC content at a mixture ratio of 10:5:5 at the initial rotation (2000 rpm) with 110 ppm and decreased to 6000 rpm with 0 ppm, then the optimal ratio optimization at a mixture of 50%: 50% with AFR of 13.95: 1.
PENGARUH MASSA CENTRIFUGAL ROLLER, SUDUT KEMIRINGAN PULLEY PRIMARY DAN SUDUT JALUR ROLLER TERHADAP PERFORMA MESIN: MASS INFLUENCE OF CENTRIFUGAL ROLLER, PULLEY PRIMARY TILT ANGLE AND ROLLER LINE ANGLE TO ENGINE PERFORMANCE Faiz Muhammad Mi'radj
Jurnal Teknik Mesin Vol. 3 No. 1 (2024): JURNAL TEKNIK MESIN
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/j-meeg.v3i1.3279

Abstract

Motorcycle manufacturers have produced automatic motorbikes that have an automatic transmission system or called Continuously Variable Transmission (CVT). The purpose of this study is to compare the engine performance produced by variations in the mass of the centrifugal roller, the variation in the degree of inclination of the primary pulley and the angle of the roller path on automatic motorcycle vehicles. The object of the research was carried out on a 110 cc 4 stroke automatic motorcycle vehicle. The method of this study uses experimental methods and data analysis. The dependent variable is engine performance. The results of this study show that using a 13gr Centrifugal Roller mass with a Primary Pulley tilt angle of 13o and a 10o Roller track angle produces the best power of 7.83 Hp at 6500 Rpm. engine speed and the best torque is produced on a 12gr Centrifugal Roller mass with a Primary Pulley tilt angle of 13o and track angle 15o with a torque value of 24.30 N.m at engine speed of 6500 Rpm and the best fuel consumption is using a Centrifugal Roller mass of 13gr with a Primary Pulley tilt angle of 13o and a Roller track angle of 10o with a value of 139.84 g/kW.h at engine speed of 6500 Rpm.
ANALISIS JENIS BUSI DAN JENIS BAHAN BAKAR TERHADAP DAYA DAN TORSI PADA MOTOR 125CC INJEKSI: ANALYSIS OF SPARK PLUG TYPE AND FUEL TYPE ON POWER AND TORQUE IN 125CC INJECTION MOTORCYCLE Aditya; Purwoko; Cahyono, Hiding; Setiawan, Deny; Rojikin, Setyo
Jurnal Teknik Mesin Vol. 2 No. 2 (2023): JURNAL TEKNIK MESIN
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/j-meeg.v2i2.3561

Abstract

Spark plugs and gasoline are two essential elements in motor vehicles, whether they are two-wheeled, three-wheeled, or four-wheeled. Spark plugs come in various types, just like gasoline, which has many different variants with varying quality levels. The purpose of this research is to determine the differences in power output and torque when using standard spark plugs, platinum spark plugs, and iridium spark plugs, along with RON 90 and RON 92 gasoline from PT P and PT B in a 125cc fuel-injected motor. Data collection for this research was conducted using the observation method. In the test results, there were differences in Power and Torque. When using Pertalite fuel (RON 90) with platinum spark plugs, the power output was 10.03 HP (8000 RPM), and the torque was 10.37 Nm (6000 RPM). On the other hand, when using BP 90 fuel (RON 90) with iridium spark plugs, the power output was 10.53 HP (8000 RPM), and the torque was 10.50 Nm (6000 RPM).  
PENGARUH JUMLAH PELAT KUNINGAN PADA CATALYTIC CONVERTER TERHADAP EMISI GAS BUANG KARBON MONOKSIDA PADA MOTOR BENSIN 100 CC: ANALYSIS OF THE EFFECT OF THE NUMBER AND THICKNESS OF PLATES BRASS ON CATALYTIC CONVERTER ON EXHAUST GAS EMISSIONS 100 CC GASOLINE MOTORCYCLE Firdaus, Ahmad Hanif; Celvin Yoga P, Bryan
Jurnal Teknik Mesin Vol. 3 No. 1 (2024): JURNAL TEKNIK MESIN
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/j-meeg.v3i1.3675

Abstract

Exhaust gas emissions are pollutants that pollute the air resulting from vehicle exhaust gas. The aim of this research is to determine the results of the influence of the number and thickness of plates on exhaust emissions from 100 cc motorbikes, and to provide an alternative to reduce exhaust emissions using a catalytic converter made from brass at a cheaper price. To verify its performance, experimental research methods were used in this thesis research. The research results showed that the number and thickness of brass plates had an effect on reducing CO and HC emissions. For example, using a number of plates of 5 and a thickness of 1 mm produces the lowest CO gas, namely 0.33 g/km, at an engine speed of 3000 rpm, while the HC gas produced is 73 ppm at 3000 rpm. This can happen because the more and thicker the plates are used. be a factor in reducing exhaust emissions  
PENGEMBANGAN SISTEM ALAT MONITORING ENERGI BATERAI KENDARAAN LISTRIK BERBASIS INTERNET OF THINGS (IOT): DEVELOPMENT OF MONITORING TOOL SYSTEM FOR ELECTRIC VEHICLE BATTERY ENERGY BASED ON INTERNET OF THINGS Wibowo, Titho Bafrendy
Jurnal Teknik Mesin Vol. 3 No. 1 (2024): JURNAL TEKNIK MESIN
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/j-meeg.v3i1.3825

Abstract

The development of a battery energy monitoring system for electric vehicles was developed with the addition of Internet of Things (IoT) based features with a DC Wattmeter through a web design to remotely monitor the energy value of electric vehicles that can be accessed by everyone, this DC Wattmeter is a comparison for the accuracy of reading the Wh value on battery energy monitoring tool. In the testing process, using a laptop to remotely monitor battery energy. The purpose of this research is to determine the design of an Internet of Things (IoT)-based electric vehicle battery energy monitoring system. Another goal is to find out the difference in battery energy measurements between the monitoring tool and the DC Wattmeter. The research method uses an experimental method, namely by comparing the readings of battery energy values ​​between monitoring devices and DC Wattmeter tools. In proving the performance of the monitoring tool when measuring battery energy, tests were carried out on electric vehicles with a distance of 1 to 3 km and the same road conditions. The data obtained was then processed and analyzed using the paired t-test analysis method. The results showed that the tests carried out, the battery energy monitoring tool can work well as indicated by the reading of the battery energy value which has an insignificant difference in value with a comparison measuring device, namely the DC Wattmeter. The results of the analysis show that the P Value (0.15) is greater than 0.05 so the hypothesis states that H0 is accepted or there is no significant difference in reading the battery energy value between the Internet of Things (IoT) based battery energy monitoring tool and the DC Wattmeter. The maximum average percentage error is 1.69%.
PENGARUH VARIASI PERSENTASE BIOETANOL DARI KULIT PISANG HIJAU PADA BAHAN BAKAR PERTAMAX TERHADAP DAYA MOTOR BENSIN : THE EFFECT OF VARIATION OF PERCENTAGE OF GREEN BANANA PEEL BIOETHANOL IN PERTAMAX FUEL ON GASOLINE MOTOR POWER Adryansa, Ivan; Firdaus, Ahmad Hanif
Jurnal Teknik Mesin Vol. 3 No. 1 (2024): JURNAL TEKNIK MESIN
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/j-meeg.v3i1.3926

Abstract

The availability of fossil fuels is decreasing day by day, therefore it is necessary to renew, one of which is by replacing the main ingredient using renewable materials, one of which is bioethanol. The purpose of this study was to determine the effect of variations in the percentage of bioethanol in Pertamax fuel on the power of gasoline engines. The method used in this study is an experimental method with variations in the concentration of the bioethanol mixture with Pertamax, namely 15%, 20%, 25% in a 125 cc gasoline engine at engine speed of 2000 to 7000 Rpm. Get the best results from the mixture where the 25% bioethanol mixture in the power test is 8,6 Hp at 7000 Rpm rotation.
PENGARUH PERUBAHAN IGNITION TIMING TERHADAP EMISI GAS BUANG PADA MOBIL URBAN KEN AROK BERBAHAN BAKAR ETHANOL E100 : EFFECT OF IGNITION TIMING CHANGES ON EXHAUST EMISSIONS IN KEN AROK URBAN CAR FUELED BY ETHANOL E100 Herda Bimantara
Jurnal Teknik Mesin Vol. 3 No. 1 (2024): JURNAL TEKNIK MESIN
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/j-meeg.v3i1.3947

Abstract

The depletion of fossil fuel reserves, as well as the increasing air pollution that occurs in Indonesia, greatly affects the energy crisis. This study aims to test, analyze, and determine the right ignition timing and injection timing so as to reduce HC and CO exhaust emissions pollution with E100 ethanol fuel. The test method in this study uses ignition timing independent variables (10.5⁰, 12.5⁰, 14.5⁰, 16.5⁰) and is carried out at 1500, 2000, 3000, 4000 RPM engine speed. The results of this study can be seen that the ignition timing variable has an influence on HC and CO exhaust emissions. at 1500 RPM rotation, the lowest HC and CO exhaust emissions are obtained at 16.5⁰ ignition timing with a value of HC 260 ppm and CO 0.12%. Then for the highest exhaust gas results there is at 12.5⁰ ignition timing with a value of HC 310 ppm and CO 0.16%.    
PENGARUH SUDUT KEMIRINGAN DRIVE PULLEY DAN PEGAS SLIDING SHEAVE RACING TERHADAP TORSI MOTOR MATIC 150 CC: THE EFFECT OF DRIVE PULLEY INCLINATION ANGLE AND RACING SLIDING SHEAVE SPRING ON TORQUE OF 150 CC MATIC MOTORCYCLE Hidayatullah, Alfian
Jurnal Teknik Mesin Vol. 3 No. 1 (2024): JURNAL TEKNIK MESIN
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/j-meeg.v3i1.4044

Abstract

There are many ways to improve the performance of an automatic motorcycle, for example by changing the tilt angle of the drive pulley and using a racing sliding sheave spring. Changing the tilt angle of the drive pulley which is varied with a racing sliding sheave spring is considered to increase the torque and power on the motorcycle so that the resulting performance feels more responsive. The purpose of this study is to determine the torque of the 2015 150 cc matic motorcycle from the effect of using a variable angle drive pulley tilt with a sliding sheave racing spring. This study uses an experimental method using a drive pulley tilt angle of 13.5 °, 13.8 °, and 14.2 ° varied spring rpm 1000, rpm 1500, rpm 2000. The use of a 13.5° drive pulley with a 1000 rpm spring produces the highest torque of 44.47 N.m at 2500 rpm. The use of drive pulley 13.8° with spring Rpm 1000 amounted to 44.41 N.m at 1500 Rpm and the use of drive pulley tilt 14.2° with spring Rpm 2000 amounted to 43.57 N.m at 1500 Rpm.
ANALISIS HASIL PORTING DAN POLISHING TERHADAP TORSI SEPEDA MOTOR 150 cm3 : THE ANALYSIS OF PORTING AND POLISHING RESULTS AGAINST MOTORCYCLE TORQUE 150 cm3 Rizky Fajar Ananda
Jurnal Teknik Mesin Vol. 3 No. 1 (2024): JURNAL TEKNIK MESIN
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/j-meeg.v3i1.4272

Abstract

The purpose of this study is to investigate the torque results on standard and modified vehicles, presenting torque comparison graphs for standard and modified motorcycle engines. The experimental study used a 150cm3 motorcycle, analyzing the experimental results directly. The study shows the difference in performance, especially torque, across all engine variations at every 500rpm. The study involved porting and polishing modifications to increase engine torque, resulting in a 4.8% increase in torque over standard. The modifications widened the torque range, providing improved performance across a wide range of speeds. The modified motorcycle exhibited faster acceleration, navigating the terrain and heavy traffic with ease. Improved performance at high speeds, stability and temperature maintenance were observed. The porting and polishing modifications had a positive impact on engine torque throughout 6500 to 9000rpm, with 6500 rpm porting A and polishing B displaying optimal results, achieving 14.4Nm of torque, an increase of 0.8Nm over standard conditions.

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