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Sulaeman
Institut Teknologi Padang
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 1 
Effect of Aluminium and Copper Powder Addition in Alumina Matrix on Bending Strength Hendriwan Fahmi; Sulaeman
Jurnal Teknik Mesin Vol 6 No 1 (2016): Jurnal Teknik Mesin Vol.6 No.1 April 2016
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2016.v6.i1.15-18

Abstract

The aim of this research is to find out the influence of the addition of aluminum (Al) and copper (Cu) on matrik alumina (Al2O3) against the forces of bending. Of aluminum made by a process of water and atomization of copper made by the process of atomization centrifugal. Consisting of copper aluminum and continued with a sifting using a measure of 50 - 100 mesh up to get the size of the amounting to 150 - 125 µm. of the measures followed by the process of mixing with the variation of a composition of 100 % of the volume of Al2O3, 90 % of the volume of Al2O3 + 10 % heavy Al and Cu, 80 % of the volume of Al2O3 + 20 % heavy Al and Cu, 70 % of the volume of Al2O3 + 30 % heavy Al and Cu, al2o3 + 60 % of the volume of 40 % heavy Al and Cu. Then will be the process of compacting with pressure 140 MPa. The process of sintering committed using furnace with the temperature 1050 OC by heating rate 5 OC / minute. In this research voltage power bending highest obtained in composition 80 % of the volume of Al2O3 + 20 % heavy Al and Cu to voltage bending average of 6,66MPa.
PERBAIKAN PENURUNAN DAYA MAMPU DAN PEMELIHARAAN MESIN DIESEL KAPASITAS 1000 KW DI PLTD KOTO LOLO Sulaeman
Jurnal Teknik Mesin Vol 5 No 2 (2015): Jurnal Teknik Mesin Vol.5 No.2 October 2015
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2015.v5.i2.97-101

Abstract

One of the most important power plant system is the diesel engine, where are the diesel engine include a conversion of energy that can be converted into the energy to change into the thermal that canbe burn in the combution chamber that will be mechanical energy. In this case, it has maximal power 1000 kW it will be able 500 until 600 kW. To evaluation that problem can use the maintenance at PLTD Koto Lolo PT PLN (Persero) Ranting Sungai Penuh will do the result of maintenance to do best.
ANALISA EFEKTIVITAS ALAT PENUKAR PANAS Sulaeman; Nofitra Satria
Jurnal Teknik Mesin Vol 4 No 1 (2014): Jurnal Teknik Mesin Vol.4 No.1 April 2014
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2014.v4.i1.22-24

Abstract

Heat Exchanger is a device that is used to transfer heat from one medium to another. At Environment ITP there are many kinds of dryers, but they are still depend on the intensity of sunlight. The Heat exchanger is an alternative to the drying process in rainy season. Base on the direction of fluid flow, heat exchanger is includes a heat exchanger types of cross flow. Then the air entering the dryer chamber does not mix with the smoke produced by burning sawdust on the furnace fuel. Air enters through the input with the of a blower and continue towards the composition of the pipe as a heat transfer, hot air continues to flow towards the output. In this tool comes two heat transfer process of heat transfer is natural convection and forced convection heat transfer. To determine the effectiveness of this tool, is influenced by several variables such as : speed, burnbing time, the mass of sawdust, pipe surface temperature, the temperature of the cold air and out, the temperature of hot air inside and outside.
PERENCANAAN PEMBANGUNAN SISTEM PEMBANGKIT LISTRIK TENAGA MIKRO HIDRO (PLTMH) DI KINALI PASAMAN BARAT Sulaeman; Ramu Adi Jaya
Jurnal Teknik Mesin Vol 4 No 2 (2014): Jurnal Teknik Mesin Vol.4 No.2 October 2014
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2014.v4.i2.90-96

Abstract

Seiring dengan perkembangan peradaban manusia, tingkat kebutuhan energi juga semakin meningkat dan mengakibatkan menipisnya bahan bakar fosil sebagai sumber energi utama. Oleh karena itu diperlukan energi alternative yang terbarukan. Sungai Batang Kularian Kinali Pasaman Barat mempunyai potensi daya yang dapat dimanfaatkan sebagai sumber energy yang terbarukan. Pembangkit listrik tenaga mikro hidro (PLTMH) merupakan salah satu bentuk energi alternatif yang mengolah energi potensial air berubah menjadi energi listrik yang berguna untuk kebutuhan hidup masyarakat. Perencanaan PLTMH dimulai dari survey lokasi perencanaan di Sungai Kularian Kinali Pasaman Barat. Survey dilakukan untuk mendapatkan data perancangan berupa head dan debit air. Data tersebut dapat digunakan untuk menentukan besarnya potensi energi pada lokasi perencanaan PLMTH. Pada perencanaan PLTMH di Sungai Kularian Kinali Pasaman Barat diperoleh data debit air seluruhnya 0,4 m3 /s dan potensi energi listrik sebesar 25 kW. Perencanaan pipa penstock menggunakan pipa berdiameter 500 mm.
ANALISA EFISIENSI ROOFTOP SOLAR COPRA DRYER DENGAN SUSUNAN KOLEKTOR SECARA SERI Sulaeman; M. Rusyadi
Jurnal Teknik Mesin Vol 3 No 2 (2013): Jurnal Teknik Mesin Vol.3 No.2 October 2013
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2013.v3.i2.70-77

Abstract

Rooftop solar copra dryer tool is an instrument used for drying copra with capacity ± 40 kg, for one drying. The purpose of this research is to see how to efficiency drying in a series connectivity on copra process of drying. Using the dryer solar can exsiccate drain agricultural products. Where the work plase, sunlight absorbed or strored through solar collectors, heat will come from the collector come into a system of air flow to the piping system and forward to the drying. Design tool dryer aims to exsiccate copra of the water is decreased from 52.68 % until 5-6 %. Medium dryer is the heat produced by the capture of the sun and distributed for ciblyin to the drying chamber they would be used for drying copra. After doing research with the experimental method to directly observe and measure the way things are done in the dryer and then do the processing and evaluation of test data. From the results of tests and calculations, drying wits series to get a final moisture content of the materiall is achieved after 25 hours of drying by using a tool maker Rooftop wits 5.97 %. Final moisture content of the materiall is achieved after 25 hours of drying with direct drying wits 24%. Rooftop solar copra dryer appliance is more Effective and Efficient. Un contaminated by air environment (dust, sand, vermin and its other)
ANALISA EFISIENSI KOLEKTOR SURYA PLAT DATAR DENGAN DEBIT ALIRAN FLUIDA 3-10 LITER/MENIT Sulaeman; Darul Mapasid
Jurnal Teknik Mesin Vol 3 No 1 (2013): Jurnal Teknik Mesin Vol.3 No.1 April 2013
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2013.v3.i1.29-32

Abstract

Solar thermal energy is one of the potential energy to be explored and developed further as a source of backup energy. To be able to directly utilize solar thermal energy to heat water can be used in a device that can collect solar energy to the Earth's surface and convert it back into useful heat energy. This device is called the solar collector. Solar collectors can be defined as a heat transfer system that generates thermal energy by harnessing the Sun's radiation as the main source of energy. After testing by varying the flow capacity of 3 litters /minute up to 10 liters/minute, then in the temperature of the fluid can come out (Tout) is the highest of 61,9 C, which is present on the stream discharge 7,5 litters/minute. And the highest efficiency in the discharge flow of 5 litters /minute is equal to 86,54%. The results of this test indicate the efficiency of the collector surya.
The Effect of Wind Turbine Blade Material Type on Generated Electric Power Sulaeman; Mitra Munandar; Suchy
Jurnal Teknik Mesin Vol 11 No 2 (2021): Jurnal Teknik Mesin Vol.11 No.2 October 2021
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2021.v11.i2.157-162

Abstract

Electric power as an energy system has a very important role in the economic development of a country. Therefore, now many researches are conducting developments in energy generation research and one of them is the development of wind power plants or wind turbines. The purpose of this study was to determine the effect of the type of blade material used in wind turbines on the varying electrical power produced. The blade material used in this material is pine wood, fiberglass/epoxy composite and fiberglass/coconut fiber/epoxy. The tests carried out in this study were to measure the rotation of the rotor, measure the current, voltage and power for variations in wind speed. The wind speed used is 3 m/s 4 m/s 5 m/s 6 m/s. blade with fiberglass/epoxy/coconut fiber composite material gets high rotational results compared to other materials, at a wind speed of 6 m/s it can produce a rotation of 1241,156 rpm and the electrical power generated is 3,545 W.
Failure Analysis of Induced Draft Fan Bearing in PT Semen Padang Using The RCM Method Rozi Saferi; Sulaeman; Olka Defra Wanda
Jurnal Teknik Mesin Vol 13 No 1 (2023): Jurnal Teknik Mesin Vol.13 No.1 April 2023
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) - ITP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21063/jtm.2023.v13.i1.19-26

Abstract

The development of the technology is getting trigger competition in industri. To compete, companies should can provide products and the quality of services best for consumer. This study aims to find out the causes of bearings that are damaged in the Induced Draft Fan (IDF Bearing) and how to plan strategic maintenance of IDF Bearing. The method used is reliability centered maintenance (RCM). The causes of bearing damage are analyzed using the Failure Mode Effect and Critical Analysis (FMECA) method. The results of this study show that the cause of IDF Bearing damage is clearance with an RPN value of 210, lubrication system with an RPN value of 36, unbalance with an RPN value of 72, and high temperature with an RPN value of 54. Scheduled Restoration Maintenance is applied for IDF Bearing , where task or preventive maintenance in the form of oil change with a time of 5803.2 hours or 241 days.
Co-Authors Darul Mapasid Hendriwan Fahmi M. Rusyadi Mitra Munandar Nofitra Satria Olka Defra Wanda Ramu Adi Jaya Rozi Saferi Suchy