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All Journal JOURNAL OF MECHANICAL ENGINEERING, MANUFACTURES, MATERIALS AND ENERGY Jurnal Teknovasi : Jurnal Teknik dan Inovasi Mesin Otomotif, Komputer, Industri dan Elektronika JTTM: Jurnal Terapan Teknik Mesin IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Jurnal Ilmiah Teknik Informatika & Elektro (JITEK)
Muhammad Idris
Universitas Medan Area
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Analisis Pengaruh Tinggi Hisap Pompa Sentrifugal Terhadap Kapasitas Dan Efisiensi Pompa Muhammad Abdul Rasyid; Din Aswan A Ritonga; Yopan Rahmad Aldori; Sukmawati; Erni Yusnita; Etanto Heiliano Wijayanto; Muhammad Idris
JOURNAL OF MECHANICAL ENGINEERING MANUFACTURES MATERIALS AND ENERGY Vol. 7 No. 2 (2023): Edisi Desember 2023
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jmemme.v7i2.6189

Abstract

Pompa adalah peralatan mekanis untuk meningkatkan energi tenakan pada cairan(fluida) yang dipompa dengan mengubah energi mekanis poros penggerak menjadi energi potensial dan energi kinetis fluida. Seiring berkembangnya teknologi, pompa digunakan diberbagai bidang termasuk pemakaiannya dalam bidang indsutri. Pompa Sentrifugal merupakan salah satu jenis pompa yang mempunyai lingkup penggunaan yang sangat luas terkait dengan head dan kapasitas yang dihasilkan. Pada kesempatan ini penulis mencoba memaparkan hasil penelitian tentang unjuk kerja pompa sentrifugal bila dilakukan variasi tinggi hisap pada pompa sentrifugal akan mempengaruhi kapasitas, Head, Daya Hidraulis dan effesiensi pompa sentrifugal. Variasi tinggi hisap dimaksudkan untuk mengetahui peningkatan performance pompa yang terjadi akibat penambahan tinggi hisap pompa. Menambah tinggi hisap pompa sangat berpengaruh terhadap kapasitas aliran air yang dihasilkan, hal ini juga akan mempengaruhi kerja pompa, kecepatan spesifik, daya dan efesiensi pompa. Sehingga dapat diperoleh titik kerja tertinggi pompa sentrifugal dengan Kapasitas (Q) 0,001180 m3/s, Head (H) 6,066 m, Daya Hidraulis (Ph) 70,008 watt, Effesiensi (ɳp) 26,51 %, hal ini dapat terlaksana bila diikuti penambahan daya dari motor penggeraknya.
Pengaruh Penambahan Ukuran Tebal Pipa Air Heater Terhadap Efisiensi Termal Serta Konsumsi Bahan Bakar Pada Boiler PT. Socimas Kapasitas 50T/H Recsi Febian Adiansyah; Derlini; Din Aswan A Ritonga; Yopan Rahmad Aldori; Pratiwi Putri Lestari; Fider Lumbanbatu; Etanto Heiliano Wijayanto; Muhammad Idris
JOURNAL OF MECHANICAL ENGINEERING MANUFACTURES MATERIALS AND ENERGY Vol. 7 No. 2 (2023): Edisi Desember 2023
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jmemme.v7i2.6193

Abstract

PLTU PT. Socimas saat ini menggunakan  air heater tipe tubular untuk mendukung dan meningkatkan kan produktivitas dari boiler. Penggunaan air heater ini menimbulkan permasalahan baru pada penggunaan air  preheater tipe tubular dengan terjadinya kebocoran pada pipa di dalam air heater. Kerusakan ini  terjadiakibat dari terjadinya gesekan flue gas yang terjadi di secara terus menerus kerusakan ini menyebabkan kurang maksimalnya  penggunaan  air heaterterhadap boiler . kerusakan ini Menyebabkan perusahaan mengganti tebal pipa  air heater, dengan adanya permasalahan ini, penulis mencoba untuk mengetahui efisiensi air heatersetelah terjadinya penggantian pipa dengan diameter awal 35mm dengan tebal 2,5mm didapatkan laju perpindahan panas konveksi aliran dalam sebesar 62547,7 J/s, konduksi sebesar 127530,49 J/s, konveksi aliran luar sebesar 1242750,13 J/s. Setelah terjadi perubahan diameter 37mm dengan tebal 3,5mm didapatkan laju perpindahan panas konveksi aliran dalam sebesar 69142,4 J/s, konduksi sebesar 113825,46 J/s, konveksi aliran luar sebesar 1711397,46 J/s. Setelah laju perpindahan panas diketahui maka penulis membandingkan efisiensi air heater pra penggantian sebesar 52,07% dengan air heater pasca penggantian sebesar 67,66% maka didapatkan selisih penghematan bahan bakar batubara sebesar 67,347 kg/ hari.
Pengaruh Variasi Fluida Pendingin Terhadap Laju Pendinginan Engine Yamaha Nmax Ade Wahyu Nugroho; Muhammad Idris; Indra Hermawan; Iswandi Iswandi
Jurnal Ilmiah Teknik Informatika & Elektro (JITEK) Vol 1, No 2 (2022): Jurnal Ilmiah Teknik Informatika & Elektro (JITEK)
Publisher : Jurnal Ilmiah Teknik Informatika & Elektro (JITEK)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jitek.v1i2.1473

Abstract

Radiator is a cooling system using fluid as a heat exchanger. How the radiator works by channeling the heat released by the motor engine is then absorbed by the radiator coolant fluid. The radiator device consists of a coolant inlet and engine outlet, a cooling fan mounted in front or behind the radiator, and coolant. Coolant in the radiator has a very important role in dissipating engine heat to the environment. In this study, I will analyze the different types of coolant variations, namely water, prestone antifreeze, Seiken, premix coolant DCK, and yamacoolant. on the cooling rate and radiator effectiveness using rotation variations of 1600, 3000,5000 rpm and measurement times of 1, 5, and 10 minutes on the Yamaha Nmax engine. The results of the research that have been carried out are the average heat transfer rate and the highest radiator effectiveness occur in the Yamacoolant type cooling fluid of 1.992kW and 0.726, the second highest occurs in the Prestone cooling fluid where the heat transfer rate value is 1.918kW and the radiator effectiveness is 0.652, then followed by Seiken where the heat transfer rate is 1.901kW and the radiator effectiveness is 0.634, then followed by DCK the heat transfer rate is 1.702kW and the radiator effectiveness is 0.592 and the smallest is experienced by mineral water where the heat transfer rate is 1.542kW and the radiator effectiveness is 0.501.
Water flow simulation in a pelton turbine bucket with variable bucket dimensions using computational fluid dynamic Muhammad Idris; Weriono Weriono; M Dalil; Indra Hermawan; Joko Joko; Achmad Jusuf Zulfikar; M.Y. Yuhazri
JTTM : Jurnal Terapan Teknik Mesin Vol 4 No 2 (2023): JTTM: Jurnal Terapan Teknik Mesin
Publisher : Teknik Mesin - Sekolah Tinggi Teknologi Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jttm.v4i2.633

Abstract

Today, especially among industrialized and developing nations, the usage of renewable energy sources is growing in popularity as a means of supplying energy needs. One of the renewable energy sources that is now being heavily exploited in Indonesia is the potential of water that may be used as a source of electrical energy by establishing a hydroelectric power plant (PLTA). One of the turbines that is frequently used in hydropower plants as a part that may transform water's kinetic energy into mechanical energy is the Pelton turbine. There is not a lot of literature on the design of Pelton turbine buckets. In order to determine the most ideal bucket dimensions that can be used with Pelton turbines, this study presents the conceptual and experimental components of the design and analysis of Pelton turbines based on bucket variations. AutoCAD was used to model the bucket and Pelton turbine, and ANSYS Fluent was used to perform the simulation so that results could be analyzed later. By comparing the simulated data of the blade variants 1 and 2, the ideal blade dimension variation is identified by the blade simulation of variant 1. The blade variation 2 with average torque of 5.859 Nm, average angular velocity of 40.822 rad/s, and average power of 242,970 watts is the most ideal blade. With an average torque of 4,735 Nm, an average corner speed of 40,404 rad/s, and an average power of 196,794 W, the blade 3 model has lower values
The influence of catalyst on the characteristics of biodiesel from waste cooking oil Muhammad Idris; Tony Siagian; Dedy Sofyanto; Putri Rizky; Friska Heriyanti; Derlini; Imam Azhari; Zakir Husin
JTTM : Jurnal Terapan Teknik Mesin Vol 4 No 2 (2023): JTTM: Jurnal Terapan Teknik Mesin
Publisher : Teknik Mesin - Sekolah Tinggi Teknologi Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jttm.v4i2.676

Abstract

The aim of this research was to investigate the influence of catalyst on the flash point, viscosity, density, and iodine value of biodiesel. The raw material used in biodiesel production was waste cooking oil. The transesterification process was employed by reacting the catalyst and methanol, followed by mixing them with the waste cooking oil simultaneously. The catalyst concentration variations used in this study were 0.25% and 0.5%. The resulting transesterification mixture was left to settle for approximately 10 minutes. The biodiesel and glycerol were separated after settling, and the biodiesel was washed with distilled water at a temperature of 50°C and then evaporated at 100°C. The flash point test results for catalyst concentrations of 0.25% and 0.5% were 58°C and 48.5°C, respectively. The viscosity test results for catalyst concentrations of 0.25% and 0.5% were 4.567 x 10-6 m2/s and 4.625 x 10-6 m2/s, respectively. The density test results for catalyst concentrations of 0.25% and 0.5% were 889 kg/m3 and 888.3 kg/m3, respectively. The iodine value test results for catalyst concentrations of 0.25% and 0.5% were 112.2 g I2/100g and 114 g I2/100g, respectively. Based on the test data, the flash point, viscosity, density, and iodine value were obtained. The test results indicated that the flash point values from both experiments did not meet the biodiesel quality standards. However, the viscosity and density test results from both experiments met the biodiesel quality standards and were suitable for use. Regarding the iodine value test, the characteristics of the biodiesel from both experiments did not fully meet the biodiesel standard, although the results obtained were not significantly different from the quality standards set by the Ministry of Energy and Mineral Resources
Co-Authors Achmad Jusuf Zulfikar Ade Wahyu Nugroho Akhiruddin Akhiruddin AMRU SIREGAR Andri Herlambang Anggih Prasetyo Wibisono Bongot Halomoan Simamora Darianto Darianto Dedy Sofyanto Simanjuntak Denny Fachri Mariadi Derlini Din Aswan Amran Ritonga Eli Simanjuntak Erni Yusnita Etanto Heiliano Wijayanto Felix Darwin Jaya Waruwu Felix Sigalingging Fider Lumbanbatu Friska Heriyanti Imam Azhari Indra Hermawan Indra Hermawan Iswandi Iswandi Joko Joko Jufrizal Jufrizal JUNAIDI M. Dalil M.Y. Yuhazri Muhammad Abdul Rasyid Muhammad Irwanto Muhammad Yusuf Rahmansyah Siahaan Poppy Aprilya Sitorus Pratiwi Putri Lestari Putri Rizky Rahmatullah . Recsi Febian Adiansyah Sandi Saputra Siswo Pranoto Sukmawati Syafruddin Ritonga Syurkarni Ali Tino Hermanto Tony Siagian Uun Novalia Harahap Weriono Yopan Rahmad Aldori Zakir Husin