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All Journal Jurnal Civics: Media Kajian Kewarganegaraan Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Fokus Elektroda: Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali) Jurnal Pengabdian Masyarakat Ilmu Terapan (JPMIT) ABDINA: Jurnal Sosial Dan Pengabdian Kepada Masyarakat

Salimin Salimin, Salimin

Unknown Affiliation

Author-ID : 491408

Religion Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Mechanical Engineering Social Sciences

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Analisa Head Loss Akibat Percabangan Pada Sambungan Reducing T Dengan Variasi Diameter Penampang Lana, Kadek; Salimin, Salimin; Sisworo, Raden Rinova
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 5, No 4 (2020): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

Head loss is a phenomenon of flow losses in the piping system. Head loss is very detrimental in fluid flow, because it can reduce the efficiency of fluid flow. This study aims to determine how much the value of head losses (hT) is that occurs in the reducing T pipe connection with diameter variations on the pipe branch 0.0254m (1 inch), 0.019m (3/4 inch), 0.0127m (1/2 inch). This research was carried out experimentally by measuring the branching flow of the flowing fluid by recording the time and volume of water that had entered the measuring tank, then reading the preasure on the manometer. The results showed that the increase in flow rate (Q) was directly proportional to the head loss (hT). Flow greatly affects the size of the Reynolds number of the three connections, the lowest total head loss occurred in the 1-inch reducing T pipe connection with a value between 0.1715 m- 0.2814 m and the highest total head loss occurred in the reducing T inch pipe connection with a value between 0.4110 m- 0.5867 m.Keyword: Reynold Numbe, debit, head Loss

PERENCANAAN TANGKI RESERVOIR DISTRIBUSI AIR BERSIH PADA PERUSAHAAN AIR MINUM (PAM) KAPASITAS 57000 LITER (STUDI KASUS DESA LABURUNCI KEC. PASAR WAJO KAB. BUTON) Anto, Herbianto; Salimin, Salimin; Sudia, Budiman
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 2, No 3 (2017): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

This study aims to planning reservoir tank distribusion water clean to PAM Laburunci Village. This study,researcher uses Microsoft Excel, Microsoft Word, Auto Cad, Geobasis Google Earth, Sketchup, initial data,the previous study and and guiding books. This planning the pressure of tank is obtained 0,005 kg/mm2,permissible voltage of 2.11 kg/mm2, the thickness of Shell plate is 8 mm, 10 mm off bottom plate, 7 mm ofroof plate. The voltage of circumferensial is 1.18 kg/mm2, the logitudinal voltage of 0.53 kg/mm2. The lengthof curvature of 595 mm/600 mm, a large of force roll 1298.88 kg, the strength of plate roll 20.09 kg/mm2. Thewelding type of welding electrodes SMAW E7018 in conection of blunt intersection welded and welding ofcorner conuace surface. The welding be done of bundle welded earlier with the length 60 mm and thedistance between bunde weldeol of 200 mm. Thr Estimatig useful age is acquired more than 30 years. Theprojection result of Laburunci’s village society for the next 10 years in the year 3744 society in 2027, thewater needs in Laburunci’s vilage for the next 10 years = 384600 liters/day. The tank of capacity plans57000 liters. It is completed by the water pump in Laburunci’s of capacity of 25 m3/hour if it is done seventimes a recharging in a day need 17 hours 16 minutes have reached 399000 liters. The water volume 399000liters/day can fulfill the water need Laburunci’s vilage society in the next 10 years namely 384600liter’s/day.Keywords: Planning tank, the value of the parameters and lifespan.

Desain dan Analisa Mesin Pencacah Nilam Dengan Kapasitas 200 Kg/Jam Miswan, Miswan; Salimin, Salimin; Endriatno, Nanang
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 6, No 4 (2021): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

The Southeast Sulawesi region, which is the East Kolaka area, especially the AERE sub- district, AERE village is an area whose livelihood is in agriculture. One of them is patchouli farming. In processing patchouli, most still use traditional methods. This makes the patchouli processing process less efficient, so researchers want to create a tool that can make patchouli processing to save costs. Patchouli chopping machine is an important tool in improving the observation of patchouli farming. The working principle of this machine utilizes the power of a gasoline motor. Through the Puly mechanism and the V- belt produced by the gasoline motor, it will be transferred to the shaft which is connected to the blade. The stages of design and calculation on the patchouli chopping machine consist of calculating the design power, calculating the shaft, calculating the shear stress, torsional moment of the plan, designing the blade by taking into account the characteristic data of patchouli, the average patchouli volume and patchouli mass (ms). . Based on the results of the calculation of the characteristics of the patchouli plant with an average height of patchouli 150 cm, diameter of the main stem 12.79 mm and density of 0.112 g cm, it can be concluded that the power of the gasoline motor used is 6.5 hp with a shaft rotation of n1 3600 rpm , the design power obtained on the shaft design of the patchouli chopping machine is 9.554 (kw), the shear stress on the shaft is 1.646 kg/mm², the compressive strength of the slicing knife is 36.2044512 N, with a shear stress of 0.1153008 N/mm².Keywords: Design, analysis, crusher machine,patchouli

Analisis Pengaruh Nilai Beban Unit Terhadap Efisiensi dan Heat Rate Turbin Pada Pltu Moramo Ilham, Muhammad; Salimin, Salimin; Aksar, Prinob
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 6, No 3 (2021): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

Moramo steam power plant is one of steam power plant in Indonesia that using coal as it fuels with capacity of 2x50 MW. Power produced by Moramo steam power plant is not always in constant condition because of fluctuation power in distribution grid with corresponding of power demand. One of the main indicators of steam turbine performance is the efficiency of steam turbine cycle and turbine heat rate. This research conducted to analyzes the effect of changes in power produced by Moramo steam power plant on the efficiency and turbine heat rate using a thermodynamic analysis approach and energy input-output methods. Analyzed data in this research is actual data during normal operation that taken from Distributed Control System (DCS). Results of this research indicated that the more the power produced by Moramo steam power plant the better of performance of its steam turbine. It is showed by the increase of average efficiency from 39.138% on 30 MW Net load to 39.369 % on 40 MW Net load, and increase to 39.976 % on 50 MW Net load. Furthermore, the increase of performance also showed by the decrease of its average turbine heat rate from 10137.79 kJ/kWh on 30 MW Net load to 9633.95 kJ/kWh on 40 MW Net load, and decrease to 9333.77 kJ/kWh on 50 MW Net load.Keywords: Load, efficiency, heat rate, steam power plant, steam turbine

PENELITIAN KERUGIAN ENERGI PADA SAMBUNGAN PIPA T 90 Salimin, Salimin
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 2, No 4 (2017): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

The combination and branching flow is a irreversible process in which the irreversibility in technical application will decrease the system erformance.The way to discover the pressure loss at the combination and branching flow is by measuring the head loss and coefficient of loss. The experiment used 4 kinds of pipe with the variation of Reynolds (Re) from 20092 to 155781. The results of the study indicate the meeting flow: Total coefficient of loss , Ktot(12,7mm) = (2,176 – 0,164), tot(19,1mm)=( 2,836 – 0,515), Ktot(25,4mm)= (2,366 – ,472).Ktot38,1mm = (3,892 – 0,508), Total Head Loss HT12,7mm = (0,789 – 0,101)mH2O, HT19,1mm(0,972 – 0,446)mH2O, HT25,4mm = (1,123 – 0,498)mH2O, HT38,1mm = (1,004 – 0,293 )mH2O branching flow; total coefficient loss, Ktot(12,7mm) = (3,982 – 0,734) Ktot(19,1mm) = (6,302 – 1,455) Ktot (25,4mm) = (8,664 – 2,098), Ktot38,1mm = (13,985 – 3,933) . Total Head Loss HT12,7mm= (1,028 – 0,396)mH2O, HT19,1mm = (0,934 – 0,404)mH2O, HT25,4mm = (0,930 – 0,40)mH2O, HT38,1mm = (0,577 – 0,411)mH2OKey words : coefficient of loss, Head Losses, combination and branching flow

Analisa Sifat Mekanik Komposit Serat Tapis Kelapa Dipadukan Serbuk Tempurung Kelapa Matriks Resin Epoxy Merdana, Made; Salimin, Salimin; Kadir, Abd
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 4, No 1 (2019): Enthalpy-Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

This study aims to determine the tensile strength and bending of coconut fiber filter composites combined with coconut shell epoxy resin powder. The material used is epoxy resin, coconut filter fiber with 1 mm fiber length, coconut shell powder. The coconut filter fiber used was treated with NaOH for 1 hour. Thecomposition used is 60% Resin: 25% Fiber: 15% Coconut shell powder, 60% Resin: 20% Fiber: 20% Coconut mixed powder, 60% Resin: 15% Fiber: 25% Coconut shell powder. The procedure for making composites refers to the ASTM D 638-01 standard for tensile tests and ASTM D 709-02 for bending tests. The results showed that the highest tensile strength was in the variation of volume fraction of 60% Resin: 15% Fiber: 25% Coconut shell powder was 6.34209333 N / mm2, and in the variation of volume fraction 60% Resin: 25% Fiber: 15% shell powder coconut has the lowest tensile strength value which is4.18271666 N / mm2. while for bending testing the value of the greatest bending strength is found in variations of 60% Resin: 15% Fiber: 25% Coconut shell powder is 6.852063333 N/mm2 and the lowestbending strength value is in the volume fraction% Resin: 25% Fiber: 15% powder coconut shell which is 4,712313333 N/mm2.Keywords : Fiber Composites, Coconut Shell, Tensile Strength and Bending Strength.

PERANCANGAN DAN PENGUJIAN MESIN SPINNER PENIRIS VERTIKAL UNTUK INDUSTRI RUMAH TANGGA MENGGUNAKAN PENGGERAK MOTOR LISTRIK Randi, Heri; Sidik, Sahril; Mangalla, Lukas Kano; salimin, Salimin
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 8, No 3 (2023): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55679/enthalpy.v8i3.42772

Industri rumah tangga merupakan salah satu jenis industri yang mudah dilakukan dan tidak membutuhkan modal besar. Dibutuhkan suatu alat penunjang dalam menjalankan usaha rumah tangga agar usaha tersebut dapat berjalan dengan baik. Penelitian ini dilakukan untuk mengetahui desain mesin, daya motor dan sistem kerja mesin spiner untuk industri rumah tangga tersebut. Hasil perancangan menunjukkan bahwa rancangan mesin spinner vertikal yang dibuat dapat beroperasi dengan baik dalam penirisan singkong parut dan kelapa parut dengan menggunakan motor listrik. Perancangan mesin spinner peniris vertikel yang dibuat memiliki tiga variasi kecepatan yaitu kecepatan I (1410 RPM), kecepatan II (1461 RPM) dan kecepatan III (1471 RPM). Pengujian alat dilakukan sebanyak tiga kali yaitu dalam waktu 5 menit, 10 menit dan 15 menit. Pengurangan massa bahan pada menit ke 10 hingga 15 cenderung lebih sedikit dimasing-masing kecepatan. Dari penelitian ini dapat disimpulkan bahwa penirisan pada singkong parut lebih efektif dilakukan di kecepatan ke III dengan waktu 10 menit dan massa yang tersisa sebesar 1,399 kg. Sedangkan hubungan antara waktu terhadap massa kelapa menghasilkan pengurangan massa bahan terbesar terjadi di 5 menit awal disetiap kecepatan. Sedangkan pengurangan massa pada menit ke 10 hingga 15 cenderung lebih sedikit pada masing-masing kecepatan. Dapat disimpulkan bahwa penirisan pada kelapa parut lebih efektif dilakukan di kecepatan ke III dengan waktu 15 menit dan massa yang tersisa sebesar 1,232 kg. Kata kunci: Daya Motor, Desain Mesin, Industri Rumah Tangga, Mesin Spiner.

PENGARUH PEMAMFAATAN FABA (FLY ASH AND BOTTOM ASH) TERHADAP LAJU PERPINDAHAN PANAS PADA TUNGKU ARANG Afandi, Afandi; Salimin, Salimin; Delly, Jenny
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 3, No 1 (2018): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

As a manifestation of the application of materials engineering science in the field of furnace experimentalresearch makes a study to solve the problem what happens to the existing stove by utilizing the material thatis cheap and easy to get and applied in this case the materials used are faba (flyash and bottom ash) as amedia insulator that can increase the head resistance of the clay furnace, as previous research has shown flyash can be used as an.This experimental study was conducted on five different model variations ofcomposition . the materials used are clay cement, sand and fly ash. The data obtained is measured by the toolthermo coople. The results of this study indicate that the material on the composition 40:60% lowestconductivity value is obtained0.018 W/m.oC with the head provided ±500 oC.the lower the conductivity valuethe better the quality of the material as the insulator.Keyword: Composite, conductivity, faba, fly ash and bottom ash.

Analisa Prestasi Mesin “MAK 8M453 C” Pada PT. PLN (Persero) Sektor Pembangkitan Kendari Unit Pembangkit Wua-Wua Zailand, La ode Muhammad; Salimin, Salimin; Kadir, Abd.
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 5, No 2 (2020): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

One type of prime movers that is widely used is a heat engine, a machine that uses thermal energy to do mechanical work. This study aims to determine how much achievement is produced by the MAK 8M453C Diesel engine. In this study the authors used a thermometer, compression tester and multimeter to measure and calculate the data taken in the study. Calculation results obtained Ni indicated power generated is 3489.9 hp, Ne Effective Power of 31025 hp, while the engine power according to engine data is 3804.3 hp or 2800 Kw. From these figures, power decreased slightly by 8.2 %. This is caused by pressure loss of spraying and wear and tear on some parts of the engine. Effective fuel consumption of 0.12 kg/hp-hr and effective thermal efficiency of 52.26 %. Keywords: Power of indication, effective power, efficiency.

Penelitian Kerugian Energi Pada Sistem Exhaust Manifolds Instalasi Pipa Air Bersih Djalil, Muh. Afdal; Salimin, Salimin; Sudia, Budiman
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 4, No 3 (2019): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

The purpose of this study is to determine the energy losses in the piping installation with the exhaust manifolds installation model in the clean water system. There is a research objective of this piping system to determine the effect of water discharge (Q) on head losses (Re) and the Reynolds number (Re) variation on loss coefficient (K), and know how much the value of water discharge (Q), head losses (h) and coefficient of loss (K), and the flow characteristics of the exhaust manifold system. In this study, the test material used is PVC pipe size 0.0127 m .and variations of testing of exhaust manifolds installation 35 cm-55 cm, each branch to determine the pressure on the measuring instrument manometer.Keywords: Energy, losses, pipe, water

Co-Authors Abd Kadir, Abd Abd. Kadir Ade saputra Adha, Ismail Adha, Ismail Afandi Afandi Ahmad Zulfikar Ali Aksar, Prinob Aminur Aminur Anto, Herbianto Arfan Arfan Balaka, R Budiman Sudia, Budiman Djalil, Muh. Afdal Fitrayadi, Fitrayadi Haris, Muh. Jufri Hasanuddin, La Imran, Al Ichlas Imran, Al Ichlas Irawaty Irawaty Jenny Delly, Jenny Kadir Kadir La Iru Laksono Trisnantoro Lana, Kadek Lukas Kano Mangalla, Lukas Kano Mangala, Lukas Kano Merdana, Made Miswan Miswan Momo, Abd Halim Muhammad Ilham Nanang Endriatno Nerlin, Nerlin Piara, Muhrajan Raden Rinova Sisworo Randi, Heri Reni, Wa Ode Ridway Balaka, Ridway Saiful Anam Samhuddin Samhuddin, Samhuddin Sidik, Sahril Syahbudin Syahbudin, Syahbudin Syawaluddin Syawaluddin, Syawaluddin Tri Andi Setiawan Wiwik Handayani Zailand, La ode Muhammad

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