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Sudarno, Sudarno
Universitas Muhammadiyah Ponorogo
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences

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Journal : Semesta Teknika

 1 
Peningkatan Efisiensi Kompor Minyak Tanah Bersumbu Dengan Cara Meningkatkan Luas Area Api Sekunder Sudarno, Sudarno
Jurnal Semesta Teknika Vol 10, No 1 (2007): MEI 2007
Publisher : Jurnal Semesta Teknika

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Abstract

The an perfect burning process of wick kerosene stove is one of some causes of the low efficiency of that stove. The result of temperature distribution test indicates that the temperature of secondary fire area is higher than the surrounding area. The higher temperature secondary fire area is widened by increasing the number of hole in the middle of inner muffler. Than, it is necessary to know the optimum result of increasing hole in secondary fire area toward efficiency increasing of wick kerosene stove. The test is done in the burning laboratory, machine technique Muhammadiyah University of Ponorogo by using 18 and 24 wicks kerosene stove equipped with fin reflector. The test of efficiency is done based on Profisional International Standard Testing Woodstove (VITA, 1982) nameli boilling water method. The number of passing fire holes is varied into 1 hole, 3 holes, 4 holes and 5 holes. It is found, that the widening of secondary fire area with 4 holes produces the highest efficiency in 18 and 24 wicks kerosene stove. The efficiency increasing is found as follows: 66.06 % for 1 hole, 76.06 % for 3 holes, 67.65 % for 4 holes and 66.92 % for 5 holes of 18 wick stove; and 58.41 % for 1 hole, 58.73 % for 3 holes, 60.40 % for 4 holes and 59.11 % for 5 holes of  24 wick stove. 
Peningkatan Efisiensi Kompor LPG Dengan Menggunakan Reflektor Radiasi Panas Bersirip Sudarno, Sudarno; Fadelan, Fadelan
Semesta Teknika Vol 18, No 1 (2015): MEI 2015
Publisher : Semesta Teknika

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Heat wasted due to radiation from the flame around the LPG stovecan lower stove efficiency. The wasted heat would be exploited by using a finned heat reflector . The working principle of this tool is to capture the wasted heat  and reflect to the load so that it becomes useful energy . Preliminary data indicate that areflector without fins can increase stove efficiency., The objective of this research isto determine the performace finned heat reflectorin increasing LPG stove  efficiency. A piece of stainless steel plate as a truncated cone-shaped finned experimental model was used as a reflector. The efficiency test is done through  boiling water test. The number of fin of the the same dimensions were varied, starting from one-line to three-line fins. The performance of the stoves using reflectorwith fins were compared with that of stove using reflector without finsand with that of stove without reflectot. Based on test results, it is found that the use of finned reflectors is able to increase the efficiency of LPG stoves. The highest efficiency is obtained on the use of reflectors with three rows of fins, which amounted to 44.09%. The magnitude of the increase is compared to without using a reflector at 5.22%, while compared with the reflector without fins for 5.01%. Based on the test of temperature distribution is obtained also that the use of reflector finned heat radiation can increase the area of complete combustion.
Pengaruh Diameter Elemen Bara Api Terhadap Peningkatan Efisiensi Kompor LPG Fadelan, Fadelan; Sudarno, Sudarno
Semesta Teknika Vol 20, No 2 (2017): NOVEMBER 2017
Publisher : Semesta Teknika

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 The addition of embers is an effort to improve the efficiency of LPG stoves. Fire-embossed element of woven pattern is made of wire nikelin. The device when is burned with LPG cooker fire will incite to form a high-temperature fire, so as to burn the unperfectly burned fuel vapor around the wire. Previous research has shown that the element of fire can improve the efficiency of 8.32%. The efficiency test is done by boiling water test. The diameter of the embers element is varied, 20 mm, 30 mm, and 40 mm. The performance of the appliance is compared to the LPG stove without the use of embers. Temperature distribution at each treatment was also examined. It was found that the use of fire element with diameter of 0.20 mm resulted in the highest efficiency of 61.71%, with an increase of 8.32%. Temperature distribution test results show that the use of fire diameter element 0.20 mm produce the most optimal adult fire areas.
Peningkatan Efisiensi Kompor LPG dengan Menggunakan Elemen Bara Api sudarno, Sudarno sudarno; Fadelan, Fadelan
Semesta Teknika Vol 19, No 2 (2016): NOVEMBER 2016
Publisher : Semesta Teknika

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Abstract

The defective combustion process is one of the causes of low efficiency in LPG stoves. Increasing the efficiency in LPG stoves by optimizing the combustion has high possibility to do. Practical effort that can be done is adding the element embers. This tool is a woven wire nikelin that are arranged in layers and if it is heated, it will be incandescent, forming high temperature embers. Generated embers will be able to burn fuel vapor perfectly around the wire, so it will broaden the mature fire area. The test is done by using LPG stoves which is provided by finned heat radiation reflector. The efficiency test is done by conducting the boiling water test. The number of element embers layers are varied, from one to four layers. The performance of element embers use is compared with LPG stoves without element embers use. In this study, temperature distribution for each treatment is tested. It is obtained that the use of element embers without reflector can improve the efficiency until 8.23%. The highest efficiency occurred in one of layer element embers use, as much as 61.7%. But, the increase of element embers in finned heat radiation reflector decreased the efficiency. It was because the mounting pattern of element embers bothered the function of the reflector, so the heat reflection from the reflector was stunted and stuck between the reflector and the mounting pattern. Therefore, the heat energy of the reflection from the reflector cannot be moved to combustion area. The result of temperature distribution test also showed that the element embers use could broaden the mature fire area.
Co-Authors Aceng Sambas Achmad, Nanang Suffiandi Agung Sugeng Widodo Aji Prima Wicaksono Akhmad, Nanang Suffiadi Al Hakim, Faris Helmi Aldi Prasetiyo Anik Rachmawati Arifin, Rizal Bakhtiar Permana Putra Bambang Wahrudin Cahyono, Agung Dwi Fadelan Fadelan Fadelan Fadelan, Fadelan Fadelan, Fadelan Fadelan, Fadelan Fadelan, Fadelan Krisna Slamet Rasyid KUNTANG WINANGUN Mada Sanjaya WS Mohamad Afendee Mohamed Munaji Munaji Munaji, Munaji Mustafa Mamat Nanang Suffiadi Akhmad Nasroni Nasroni Pangestu, Robi Etdji Pratama, Angga Yoga Rizki Dwi Ardika Sariffudin, Mochammad Slamet Wahyudi Sudjito Soeparman Sundarapandian Vaidyanathan Syah, Moch. Aziz Zulian Wawan Trisnadi Putra Wawan Trisnadi Putra, Wawan Trisnadi Wiguh Eko Adha Riantiarno Winardi, Yoyok YOGA AROB WICAKSONO Yoyok Winardi Yusuf, Farid