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Dedi Wardianto
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Agriculture, Biological Sciences & Forestry Computer Science & IT Control & Systems Engineering Education Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Journal : Jurnal Teknik Mesin

 1 
Comparison of Propeller Turbine Performance Using Airfoil Blades and Without Airfoil Marfizal Marfizal; Dedi Wardianto; Sufiyanto Sufiyanto
Jurnal Teknik Mesin Vol 12 No 1 (2022): Jurnal Teknik Mesin Vol.12 No.1 April 2022
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2022.v12.i1.11-16

Abstract

Electricity is a strategic energy resource and is very important for the livelihood of many people. The government has tried to free Indonesia from the electricity crisis and is trying to find alternative uses of new and renewable energy (EBT). The government has committed that NRE will continue to be developed to ensure energy security in Indonesia and meet the growing demand for electricity. The government has set a target of 23% share of clean energy in the national energy mix in 2025 and 31% in 2030 through the National Energy Policy (KEN) and the General National Energy Plan (RUEN). To succeed the government program is to take advantage of the potential energy sources that exist around people's residences. However, one of the obstacles is the remote location so that access is difficult. In addition, the village community lacks knowledge about microhydro technology. Therefore it is necessary to design a turbine that is not complicated to manufacture. The complexity is in the manufacture of turbine blades which must be aerodynamic and affect performance. Therefore, it is necessary to do research on turbine blades that are not aerodynamic and how they perform. This research was conducted experimentally using a propeller turbine and tested on 3 different types of blades, namely, in this study three types of blades were created and designed. The aerodynamic cross-section blade and the square cross-section blade with a thickness of 3 mm without curvature, the blade with a rectangular cross-sectionsquare with a thickness of 2 mm with curvature (camber). which is made of steel plate manufacture by welding. The turbine blade diameter used is 150 mm with a total of 4 blades.
Failure Analysis of the Screw Press Machine Dedi Wardianto; Anrinal
Jurnal Teknik Mesin Vol 12 No 1 (2022): Jurnal Teknik Mesin Vol.12 No.1 April 2022
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2022.v12.i1.72-81

Abstract

In this paper, an analysis of the mechanical components of the Screw Press Machine is carried out in the form of an analysis of the design of mechanical components, maintenance cycles and remaining life. From the design analysis of mechanical components, it is known that the stresses that occur in the screw are in the form of nominal shear stresses of 18.18 N/mm², axial stresses of -10.41 N/mm², bending stresses of 54.66 N/mm², and shear stresses acting on the base screw of 65.41 N/mm². The number of press cycles that occur in one hour is 121 cycles. Number in the press cycle that occurs in the worm screw press is 2.625x105 cycles. In field conditions with pressure fluctuating between 30-40 bars, the life time of using a worm screw press is around 2169.43 hours.
The Effect of Camshaft Racing on Matic Motorcycle Performance Marfizal; Dedi Wardianto; Aliska Jalis
Jurnal Teknik Mesin Vol 12 No 2 (2022): Jurnal Teknik Mesin Vol.12 No.2 October 2022
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2022.v12.i2.98-103

Abstract

The research conducted in this paper is related to the Effect of Camshaft Racing on Motor Matic Performance. For Performance Testing such as power, torque, engine speed, acceleration at engine speed of 6000 to 9000 rpm. Performance testing using a dyno test tool type Super Dyno 50L. The results of this test are used to compare the performance of an automatic motorcycle using a standard camshaft (STD) and a Racing camshaft (BRT). From this study it was found that the performance for the Racing camshaft (BRT) increased compared to the standard camshaft performance (STD), the acceleration value was 6.2% to 4.5%, speed 1.0% to 0.6%, power 9.0% to 4.5%. 16.2%, torque 6.1% to 2.9%. In general, it can be said that camshaft Racing (BRT) has better performance.
Effect Of Electric Load On Steam Flow Rate At Steam Turbine As Generator Dedi Wardianto; Marfizal; Sufiyanto
Jurnal Teknik Mesin Vol 12 No 2 (2022): Jurnal Teknik Mesin Vol.12 No.2 October 2022
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2022.v12.i2.104-109

Abstract

PT. Kurnia Batang Hari is a palm oil processing factory into palm oil. At PT KBHB there is a tool called “Steam Turbine Generator Type RB5” which functions as a power generator. This study aims to determine the effect of the load on the mass flow rate, turbine generator power, and determine the efficiency of the steam turbine generator. The research method is to take boiler and turbine data directly for 1 week. Get the enthalpy value from the steam table and can calculate based on the research objective. Based on the research conducted, it was found that the highest average flow rate on Wednesday was 3.48 kg/s. The highest generator power yield on Sunday is 1661 KW. The results of the calculation of the highest average generator efficiency on Sundays are 57.11%. Conclusion It can be seen that if the load on the turbine is getting bigger, then the mass flow rate of the steam will be even bigger and it also depends on the pressure of the steam entering and leaving the turbine. The average load of 1 week borne by the generator is 885 KW and the mass flow rate is 3.81 kg/s. The generator power produced during processing is an average of 1 week, which is 1600 KW. The average efficiency of the generator in 1 week is 55.52% on Sunday.
Co-Authors Aliska Jalis Anrinal Marfizal Marfizal Marfizal Sufiyanto Sufiyanto Sufiyanto