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All Journal Teknik Mesin "TEKNOLOGI" Rekayasa Mesin Journal of Engineering and Management in Industrial System Indonesian Journal of Disability Studies Lambung Mangkurat Law Journal JTT (Jurnal Teknologi Terapan) Sinergitas Multidisiplin Ilmu Pengetahuan dan Teknologi (SMIPT) PELS (Procedia of Engineering and Life Science)

Sudjito Soeparman

Jurusan Teknik Mesin Fakultas Teknik Universitas Brawijaya

Author-ID : 384075

Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mechanical Engineering Social Sciences

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Studi Eksperimental Pengaruh Sumber Kalor Terhadap Distribusi Temperatur dan Temperatur Pendidihan pada Tapering Heat Pipe Sarip, Sarip; Sudjito, Sudjito; Yuliati, Lilis; Agus Choiron, Moch.
Jurnal Teknologi Terapan Vol 2, No 2 (2016): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jtt.v2i2.18

Heat source of the heat energy can affected of the temperature distribution and the boiling temperature of the tapering heat pipe located on the evaporator. The purpose of this study was conducted to determine the effect of heat source on the temperature distribution and boiling temperature that occur in the tapering heat pipe. In this study, used heat pipe tapered shape of the copper pipe diameter of 10 mm and 20 mm as evaporator as condenser with a length of 200 mm. Tapering heat pipe inside there is a wick mesh screen serves as the axis of the capillary to the return liquid / backflow of fluid from the condenser to the evaporator. The condenser ends mounted a valve to inject the working fluid into the tapering heat pipe. K-type thermocouple is integrated with NI-9211 module and c-DAQ 9271 to measure the temperature distribution along the tapering heat pipe with a heat source of DC power supply for (25, 30, 35, 40, 45, 50) Watt. The results showed that there was a difference of temperature distribution and boiling temperature caused by the variations heat source. Temperature of distribution and boiling temperature which tends to increase in value the greater the heat source, so it can be concluded that the heat source has an influence on the temperature distribution and the boiling temperature of the tapering heat pipe with 50 Watt heat source generates temperature distribution and boiling temperature stable.

Pengaruh Prosentase Campuran Briket Limbah Serbuk Kayu Gergajian Dan Limbah Daun Kayuputih Terhadap Nilai Kalor Dan Kecepatan Pembakaran Malakauseya, Jeffrie Jacobis; Sudjito, Sudjito; Sasongko, Mega Nur
Jurnal Rekayasa Mesin Vol 4, No 3 (2013)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (375.893 KB)

Briquette is one of alternative energy. Raw material briquettes can be derived from agricultural waste and forestry plantations. Many factors that influence on briquette such as the type of materials, adhesives and pressure others. Adhesives used are sago starch waste that has been disposed and can no longer be consumed by humans. Raw material briquettes from waste of sawdust and sawn eucalyptus leaves. Pressure briquette of 30 PSI. Both raw material briquettes sieved with 20 mesh sieve qualify. From the results, the average calorific value of briquettes is the highest of 4896.16 calories / gram at 40% mixture of sawdust sawn 60% powder mixed with eucalyptus leaves. Percentage of ash content lowest average was 2.17%.Keywords : Briquette, adhesive, sawdust, eucalyptus.

Pengaruh Kondisi Temperatur Mesophilic (35ÂºC) Dan Thermophilic (55ÂºC) Anaerob Digester Kotoran Kuda Terhadap Produksi Biogas Darmanto, Ardyanto; Soeparman, Sudjito; Widhiyanuriawan, Denny
Rekayasa Mesin Vol 3, No 2 (2012)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (331.485 KB)

Content energy of biogas is not less than energy derived from petroleum, horse manure can be used as a substrate for producing biogas. A substrate in horse manure bacteria containing framer metan which is in the animal body ruminants. Temperature is one of the important factors that affect on fermentation process. The aim of study was to find characterization production and composition content biogas from horse manure on condition temperature mesophilic (35ÂºC) and thermophilic (55ÂºC). Both of digester are running simultaneously by fermentation process for 15 days. The results obtained from the condition that generated the biogas production of thermophilic higher than the condition of mesophilic and conditions without heating. Biogas production optimum of each digester generated on day 8 for thermophilic conditions, day 10 for mesophilic conditions and day 11 for the conditions without heating. The highest result of biogas production was in thermophilic conditions (0.1411 kg). The highest percentage of methane gas production (CH4) that produced by the thermophilic digester conditions (59.8%).Keywords: biogas, mesophilic, thermophilic, horse manure.

Studi Kinerja Solar Water Heater Dengan Aliran Zig-zag Beralur Balok Ikhsan, M. Rizki; Soeparman, Sudjito; Sasongko, Mega Nur
Jurnal Rekayasa Mesin Vol 8, No 1 (2017)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Solar energy can be used for water heating by using solar water heater application. Therefore, its still needs some modification due to its low efficiency. This modification can be done by replacing the conventional plate of solar collectors into a double plate with a zig-zag pattern. The results shown that along with the decreasing of water flow rates could significantly increase the useful energy (Qu). Initial temperature of water inlet could affect the generated maximum temperature. The highest mean efficiencies of double plate solar water heater with a zig-zag grooved beams pattern of 49.11% was gained in the flow rate of 700 mL / min.

Analisis Pengaruh Bahan Bakar Alternatif pada Lemari Pengasap Ikan terhadap Kualitas Produk Hasil Asapan Nugroho, Setyawan Dwi; Soeparman, Sudjito; Yuliati, Lilis
Rekayasa Mesin Vol 9, No 3 (2018)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

This study was conducted to determine the effect of the amount of fuel in the combustion chamber on the fish smoking kiln to temperature and temperature distribution in the smoke room as well as the quality of the smoked fish.This study used 3 types of fuel those are dry coconut shell, coconut fiber and sugarcane pulp briquette. Temperature needed in the smoke room for 3 hours is 80° C, andthe fish smoked ismilkfish. The result showed that to achieve the same smoking temperature, it required the amount of dry coconut shell as much as 1045 grams, while the coconut fiber as much as 1730 grams and sugarcane pulp briquette as much as 2055 grams. The temperature of each fishing point is relatively even with a maximum temperature difference of 1.38%, while the difference between the setting temperature and the temperature at the maximum fish points is 8.88%. It can be concluded that the heat value, particle density rate and combustion rate (heat release) of fuel affect the amount and distribution of fuel to the temperature change in the fish smoking room in the fish smoking kiln. The quality of smoked fish products with 3 types of fuels meets SNI 2725.1.2009.

Analisis Perpindahan Panas pada Kolektor Pemanas Air Tenaga Surya dengan Turbulence Enhancer Ramadhan, Muhammad Nizar; Soeparman, Sudjito; Widodo, Agung Sugeng
Rekayasa Mesin Vol 8, No 1 (2017)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

One of the solar energy utilization is solar water heater. To improve the performance of solar water heater, modifications were applied to dual absorber plate and flow channels to increase heat absorption. The aim of this study is to analyze the heat transfer of the collector solar water heater with additional modifications turbulence enhancer. Flowrate of water were varied to 1500 ml/min, 1200 ml/min, 900 ml/min, and 700 ml/min. The result shown that Â the highest collector energy loss (Qloss) and useful energy (Qu) are 92.23 Watt and 653.83 Watt, respectively, in a Â volume flow rate of 700 ml/min and the total solar radiation of 672.78 W/m2. The useful energy (Qu) increase with reducing the volume flow rate of water. This is due to by reducing the volume flow rate, the heated water will expose longer to absorb the heat from absorber plate.

Optimalisasi Sistem Perawatan Dan Perbaikan Terencana Mesin Produksi Berdasarkan Analisis Keandalan Pada Pltd Hatiwe Kecil Kota Ambon Demmatacco, Frederik; Soeparman, Sudjito; Soenoko, Rudy
Rekayasa Mesin Vol 4, No 2 (2013)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (87.239 KB)

Based on preliminary surveys, PLTD X has been operated long enough so that the generator engines often impaired even cause damages during operation. Even maintenance system contained in the PLTD X also has not done, which means there decrease in the production of electrical power generated.Maintenance activities that have been performed by PLTD X is the replacement of engine components damaged as a rejuvenation effort and overhaul that aims to extend the lifespan of the machine, but it is also the act of Preventive maintenance which aims to treat the machines that do not damage or interruption in operation. The dispute resolution process is the method for analyzing the Reliability Centered Maintenance component failure with FBD, System function and functional failure, FMEA and RCM Decision Worksheet. It also can determine the value of Mean Time To Failure (MTTF) and Mean Time To Repair (MTTR) is used to analyze systems engine maintenance. and as a basis for determining the time interval maintenance and total cost of maintenance.Based on the results of the calculation known critical components such as Cylinder Head, Inlet valve, Gasket, Exhaust Valve Housing, Exhaust Valve. Component maintenance time intervals determined by the RCM method is as follows, Cylinder Head with interval 4458 hours, Inlet Valve with 1601 hour, Gasket with 4682 Hours, Exhaust Valve Housing with 1908 hours, Exhaust Valve with 2238 hour. Critical component consisting of Cylinder Head, Inlet Valve, Gasket, Exhaust Vave Housing and Exhaust Valve is usingSchedulled Restoration Task type of maintenance.Keywords: critical components, decision worksheet RCM, FMEA, PLTD X

Heat Flux Kondensasi pada Media Arang Tempurung Kelapa (Cocos Nurifera) Yohanes, Eko; Soeparman, Sudjito; Siswanto, Eko
Jurnal Rekayasa Mesin Vol 5, No 1 (2014)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (839.88 KB)

Condensation in porous media can be applied for alternative of control air humidity. Which one for each temperature variation need an hour to complete the experiments.Coconut shell charcoal installed in the condensator chamber with height 2 cm. warm vapour then entered the condensator chamber. We observed temperature distribution and absorbed warm vapour among the condensation chamber and analyze how absorbed vapour will formed. The results showed forced convection that unown from value Gr/Re <1. With the results of the heat flux at the highest point of T2 and T1. With Lyapunov Exponents M = log 2 2(...) is always a positive value, due to increased average condensate growing over time and increase included in chaos areas because there is no repetition in each attractor.Keywords : Heat Flux, Coconut Shell Charcoal and Eksponen Lyapunov.

Pengaruh Dimensi terhadap Volume Gas HHO dan Daya Listrik pada Proses Elektrolisis Pradigdo, Dedy; Soeparman, Sudjito; Widodo, Agung Sugeng
Rekayasa Mesin Vol 9, No 2 (2018)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

The electrode area have an effect on HHO gas production volume, this phenomena influenced by electric power absorbed from the energy source to the electrode. It is necessary to examine how much the influences on process of the water electrolysis. In this research the effect of the electrode total area on the electrolysis process analyzed to determine the volume of HHO gas and electric power absorbed. The experimental method by testing the extent of several electrodes without the connection and calculating the entire surface on the electrode. The electric power is absorbed among other L1 = 6.413 mm2 : 5,2 ml : 0,774 watt, L2 = 10.028 : 28 mm2 : 7 ml : 0,9030 watt, L3 = 14.328 mm2 : 15 ml : 2,451 watt and L4 = 14.3608 mm2 : 20 ml : 6,192 watt. In this research, the highest result on the electrode having L4: 14.360,8 mm2 = 6,192-watt area. This result influenced by the surface area reacting with water at the anode and cathode of the 12 Volt 70 AH battery and the capacity of the electrolysis generator.

Karakterisasi Kekuatan Bending dan Hidrofobisitas Komposit Serat Kulit Waru (Hibiscus tiliaceus) Kontinyu Bermatrik Pati Ubi Kayu Rianto, Ari; Soeparman, Sudjito; Sugiarto, Sugiarto
Jurnal Rekayasa Mesin Vol 2, No 2 (2011)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (288.365 KB)

The development of biopolymer becomes alternative solution of the waste problem which is mostly produced by synthetic polymer. Biopolymer cassava extract which has big potency to be developed as synthetic polymer alternative. Nevertheless, the basic characteristic which is hydrofilyc and low tensile strength makes the polymer film produced not acceptable to be used as synthetic polymer alternative. The method used in this research was continous fiber biocomposite by pressed hand lay up. The matrix was Wau wood fiber which had layer variety 1,2,3,4 and the fiber directions 0o and 90o. The matrix biocomposite uses cassava extract with addition variation of gliserol 5%,10%,15% of dry weight. The experiment testing used bending test standart ASTM C 393 (1997) and moisture test standart ASTM D570-81. From this research, it was found that the highest bending result on fiber variation 3 layers and 5 % matrix gliserol was 50,58 Mpa. The highest elongation on 15% gliserol+1 layer was 35%. The lowest moisture test occurred on 1% laye and 5% matrix was 39.3%. Keywords: Biocomposite, bending, biopolymer, Waru wood fiber , gliserol.

Co-Authors . Pratikto A.A. Ketut Agung Cahyawan W Agung Sugeng Widodo Ardyanto Darmanto Ari Rianto Astrada Astrada, Astrada Danang Triagus Setiyawan de Fretes, Henry Valentino Dedi Nurdiansyah Dedy Nataniel Ully Denny Widhiyanuriawan Denny Widhiyanuriyawan Dida, Hero P Dwiana Hendrawati Eko Siswanto Eko Siswanto Eko Yohanes Frederik Demmatacco Hairian Rahmadi Ikhsan, M. Rizki Imammuddin, Azam Muzakhim Jeffrie Jacobis Malakauseya Lilis Yuliati Mega Nur Sasongko Moch. Agus Choiron Moch. Agus Choiron, Moch. Mohamed Abdulhadi Elmahdi Muhammad Nizar Ramadhan Muharom Muharom Murti Astuti Nugroho, Setyawan Dwi Nurkholis Hamidi Nuryosuwito, Nuryosuwito Pradigdo, Dedy Rudy Soenoko Rudy Soenoko Rusdi Sambada Sarip Sarip sarip, sarip Slamet Wahyudi Sonief, Achmad As'ad Sri Widiyawati Sudarno Sudarno Sugiarto S Utoyo Utoyo Wahyono Suprapto Widya Wijayanti Widya Wijayanti Yudy Surya Irawan Yusuf Dewantoro Herlambang

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