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PROGRAM STUDI TEKNIK MESIN - JURUSAN TEKNIK MESIN DAN INDUSTRI - FAKULTAS TEKNIK - UNIVERSITAS SYIAH KUALA, Jln. Syech Abdul Rauf, No. 7, Darussalam, Banda Aceh 23111, Aceh INDONESIA
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Kab. aceh besar,
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INDONESIA
Jurnal Teknik Mesin
Published by Universitas Syiah Kuala
ISSN : 23018224     EISSN : 26230747     DOI : -
Core Subject : Engineering,
Mechanical Engineering
Arjuna Subject : -
Articles 106 Documents
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Pengaruh Cuaca Berawan terhadap Pengeringan Kelapa Kukur sebagai Bahan Kelapa Gongseng dengan Sistem Solar Drying Dinni Agustina; Ratna Sary; Muhammad Iqbal
Jurnal Teknik Mesin Unsyiah Vol 2, No 2 (2014)
Publisher : Jurnal Teknik Mesin Unsyiah

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Abstract

Dessicated coconut is the main ingredient in the manufacture of coconut ‘gongseng’ spices. Traditional methods of drying  the grated cocont directly in the sun have constraints  such as relatively longer drying time, products hygiene and supervisory personnel. Solar dryers conditioning system with a solar collector has been developed to overcome these constraints and tested in Lamlhom area, Aceh Besar. The research objective was to determine the effect of cloudy weather on the performance of solar drying system in term of the moisture content  and the qualityof the ddessicated coconut. Tests carried out in the temperature range of 30°C - 60°C in a state of clear and cloudy weather. Tests comparing the two samples of coconut grater with a weight of 2 kg and 4 kg at two  weather condition;sunny and cloudy. The experimental results of both samples on sunny and cloudy weather conditions indicate that the water content of the coconut water is still in the range of moisture content standards set by SNI 01-375-2000 which is maximum moisture content of 3%.
Pengembangan Papan Partikel dari Limbah Kayu Meranti Menggunakan Perekat Damar Akram Akram; Samsul Rizal; Syifaul Huzni
Jurnal Teknik Mesin Unsyiah Vol 2, No 1 (2014)
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Abstract

Particle board is a product of the utilization of waste wood processing that can be used in a variety of buildings and other constructions. Particle board products generally produce formaldehyde emissions that can harm human health. Reducing emissions of formaldehyde, environmentally friendly adhesive should be used, ie Damar (Shorea javanica). In this study, the adhesive resin used as an adhesive for wood particle boards Meranti. This study aims to develop a particle board from Meranti wood waste using adhesive resin, and then to determine the effect of the use of the adhesive resin particle board to physical strength and mechanical wood powder particle board. Making specimens following the ISO Standards No.. 03-2105 - 2006 through print method pressure of 1.33 MPa. Particle size of wood used (0.315 to 5 mm), mixed with a resin weight percentage of 5%, 10%, 15% and 20%. Heating temperature is 150 ° C for 15 minutes. Obtained from testing the tensile strength of 0516 MPa highest density value 0.989 g/cm3. The results obtained from specimens that have adhesive resin composition of the Meranti wood particles with a ratio of 20:80 with a density value of 0.989 g / cm, while for the weight gain and the development of thick generate value by 42%, and 27% lower than at the other test specimens. While the value of the modulus of elasticity for the same composition was 1642 MPa. Based on the percentage, the higher the use of resin will be obtained, the value of tensile strength, modulus of elasticity and the higher density. While the value of water content and the development of diminishing thickness.
Analisa Kualitas Permukaan Akhir Proses Pemotongan menggunakan Material Komposit dengan Serat Kaca dan Komposit dengan Serat Buah Biduri (Calotropis Gigantea) Herman Herman; Samsul Rizal; Husni Husni
Jurnal Teknik Mesin Unsyiah Vol 4, No 1 (2016)
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Abstract

This research study drilling quality for polyester composites with glass fiber reinforcement and polyester composite with fiber reinforcement Biduri fruit due to the influence of cutting parameters. The test is performed with the variation of machining process parameters varying the diameter of the cutting tool 5 mm, 10 mm, 14 mm, and a cutting speed of 30 m/min, 60 m/min and 90 m/min which feeds the parameters fixed. The test material used is a composite material with glass fiber reinforcement and composite with natural fiber amplifier with a size of 150 mm x 50 mm x 20 mm. The process of making composites made using hand lay-up method. Test results greater tool shows, the better the quality of the resulting hole. Due to the use of a cutting tool diameter of 5 mm would result in a continuous rage so that it will stick to the cutting tool and can interfere with the cutting tool. Cutting speed, the cutting results, the greater the cutting speed, the better the results are also cutting. Because the higher the cutting speed, the resulting fury will be more and continuous so as not to interfere with the process of cutting.
Analisis Efisiensi Energi pada Sistem Pengolahan Air Limbah PT. Arun LNG Lhokseumawe Erliadi Erliadi; Ahmad Syuhada; Hamdani Hamdani
Jurnal Teknik Mesin Unsyiah Vol 3, No 1 (2015)
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Abstract

Domestic liquid waste from residential areas of PT Arun NGL processed in Waste Water Treatment Plant. So far WWTP # 48 worked pretty well. Problems that occur in the operation of WWTP # 48 is associated with cleaner production principles are: Inefficiency of use of water; The need for clean water for residential and office buildings in the PT Arun NGL is relatively large average 700 L/capita/day, use large quantities of water have an impact on increasing the volume of domestic waste water to be generated and processed at the waste processing unit. On the other hand there has been no attempt to use effluent water WWTP # 48 whose quality is relatively good and relatively large number is 2275 m3/day. This study aimed to analyze the results of energy conservation has been done on the wastewater treatment unit at PT. Arun. To identify inefficient use of water, electricity and chlorine using gap analysis.The data observed in the field compared to the ideal condition that refers to good governance(Good Housekeeping), and then determined how much deviation. The amount of savings opportunities gained from the implementation of cleaner production in the operation of WWTP # 48 is the supply cost savings of 38%.
Analisis Konvervasi Energi Pada Unit Heat Recovery Steam Generator dan Unit Boil-Off Gas Kilang PT. Arun Fadliani Fadliani; Hamdani Hamdani; Ahmad Syuhada
Jurnal Teknik Mesin Unsyiah Vol 2, No 1 (2014)
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Abstract

The result of this analysist of energy conservation activity exposes the performance generated by PT. Arun NGL in the fields of energy conservation and decrease of greenhouse emissions. The implementtion analysist activities assosieted with international initiatives in addressing climate change, and global warming as well as support the implementation of goverment programs of energy conservation programs and the reduction of greenhouse gas emmisions in the industrial sector. All the data presented in this report have been checked carefully, and all sizes are displayed also was referring to an internationally recognized measurement technique in the industry. Thus, the accurancy of the data included in this report both with regards the level of error is small. In addition, all the data loaded can be trusted because it is supported by the documents that existand can be verified by the stakeholders who want to do this. Based on the result of the assessment, energy saving opportunities and reduction of exhaust gas emmisions are available by empowering, improvise and optimize prodution units. Implementation efforts on energy conservation and the utilization of  resources has been implementaed since 1997, which was market by the implementation of the project Marine Boil off Gas (MaBOG) take back the exhaust gas at the time of shipment of LNG (800-1,000 M3 LNG). Marine Boil off Gas has recover 1000 m3 of LNG per shipment in 2003, in installation of heat reovery unit 10 steam  generator, which utilizes the thermal energy of the stack gas turbines to generate steam, and turn off or not utilize all the conventional boilers.
Perancangan Sistem Pembangkit Listrik Hibrida untuk Menggerakkan Pompa Air di Area Pertanian Fazri Fazri; Ahmad Syuhada; Zahrul Fuadi
Jurnal Teknik Mesin Unsyiah Vol 4, No 1 (2016)
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Abstract

The economic development and population growth in Indonesia has been increasing rapidly. Most of the agricultural land converted into residential and industrial areas, while many farmers moved to a mountainous area. Farmers in mountainous agricultural area using existing sources of water in a small mountainous rivers to irrigate agricultural land, they use man power to lift water from a small river to agricultural land, it is highly ineffective in agricultural products. Farmers with adequate financial can use pumps for raising the water to agricultural land. But because it is far from the power source, pump can only work with the use of expensive fossil fuels. Therefore, to overcome this problem it is necessary to use a renewable energy source which is available in the area such as solar energy and wind or both of them. This research examines about the hybrid power plant (PLTH) of solar and wind energy to power the agriculture pump. The wind speed and solar radiation data is obtained from measurements by BMKG-SMPK-Plus Sare. The output power of the Photovoltaic is equal to 193 W with the exposure time of 5 hours/day, while the power output of the wind turbine is 459.84 W with a 3m blade diameter long and 7 hours/day blowing wind. The pump power was 558 W with a capacity of 20,160 liters/hour, it is used for 15 ha of agricultural area. Based on the analysis results, the proposed system will generate an initial investment cost of US$ 14.938 with power production equal to 3.210 kW/year.
Kaji Eksperimental Kehilangan Panas pada Dinding Ruang Bakar Fluidisasi Berbahan Bakar Biomassa M. Faisal; Ahmad Syuhada; Hamdani Hamdani
Jurnal Teknik Mesin Unsyiah Vol 2, No 2 (2014)
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Abstract

Biomass has several advantages, especially as it is renewable in nature. The low energy content owned by biomass requires the use of effective techniques, such as gasification.  This research was to determine the rate of heat transfer that occurs in the burning of fuel in the combustion chamber fluidized types. The benefit of this research is to identify the heat loss in biomass combustion system. The fuels used in this study are wood-planed chips, branches of dry wood and areca nut husk. The size of fuel was 2 to 3 mm. The fuel was weighed to 2 kgs for one testing/biomass. The combustion duration was 50 seconds. The heat loss in biomass combustors with wood-planed chips occurred in 30 seconds at Tf 724oC and TW 203 oC, the heat loss was 26813.33 W/m. The heat loss in the combustion chamber with biomass wood-planed chips in 15 seconds at Tf-average 334 oC and Tw 44 oC, the heat loss was 2947.03 W/m. The heat loss in biomass combustors with branches of dry wood in 30 seconds at Tf 713 oC and Tw 201 oC, the heat loss was 26350.15 W/m. The heat loss in the combustion chamber with branches of dry wood biomass in 20 seconds at Tf-average 286 oC and Tw 42 oC, the heat loss was 2479.57 W/m. The heat loss in biomass combustors with areca nut husk occurred in 20 seconds at Tf 515 oC and Tw 137 oC, the heat loss was 19453.82 W/m. The heat loss in the combustion chamber with areca nut husk biomass occurred in 15 seconds at Tf- average 118 oC and Tw 39 oC, the heat loss was 802.81 W/m.
Kemampuan Dinding Kaca dalam Mentransferkan Intensitas Cahaya yang Melewati Dinding Kaca Taufiq Taufiq; Ahmad Syuhada; Hamdani Hamdani
Jurnal Teknik Mesin Unsyiah Vol 2, No 1 (2014)
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Abstract

The sun transfers heat energy to the earth with radiation mode. To reach the air temperature with thermal comfort in the indoor air temperature then need to re-view using AC, but if the energy intensity of the sun's too much that goes into the conditioning room through a glass wall that will cause the AC is too big. This will lead to the use of electrical energy is too wasteful. To minimize the AC in the room caused by a number of incoming solar radiation intensity of heat is done by using a glass inhibitory properties of low light intensity. The purpose of this study was to determine the extent of the inhibitory effect of light intensity into the room by each type of glass. The research was done by varying the type of glass that will be mounted on the solar collector, rain glass, blue glass, black glass, One way glass, glass orange. Measurement of light intensity and temperature data were taken every 30 minutes within a period of 3 hours. Based on the results of the study five types of glass is the importance of the election of the best level of inhibition glass is types of glass One way because the light intensity 400 W/m2 - 500 W/m2, resulting in room temperature is 45 0C.
Kajian Sistem Pengkondisian Udara untuk Meningkatkan Tingkat Kenyamanan Termal pada suatu Ruangan Kerja Zulkifli Zulkifli; Ahmad Syuhada; Zahrul Fuadi
Jurnal Teknik Mesin Unsyiah Vol 4, No 1 (2016)
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Abstract

Indonesia is a tropical country with a relatively high air temperatures. Increasing the temperature of the air outside the building space will increase in temperature in the room due to the heat transfer. Increasing air temperatures will occur in the thermal discomfort in space, resulting in a decrease in the effectiveness of work in the room. Conditions the average room temperature in May-September, 2013 in Banda Aceh is 330C-350C between the hours 11:00-13:00 WIB. This temperature is outside the limits of thermal comfort standards. To improve work efficiency in a room, the air must be conditioned to meet the thermal comfort standard SNI mounting method as a simple means of heat exchangers. Especially in the room that do not use often like indoor halls, and other sports, for this case by using the air conditioning air conditioner is too large investment and operational costs. In this study assessed a replacement air conditioning system with cold air in the conditioned room. In this study there are 3 air conditioning systems made is the replacement of AC system with fresh air into the space conditions, with the replacement of the air conditioning system is cooled with water to the space conditioning and replacement of the air conditioning system with a cooled with ice to the room conditioning. A room temperature of approximately 400C-500C air conditioned with new replacement 150C temperature-200C so that within 2-3 hours the room temperature dropped to 200C-250C and RH around 55-60%. So that the level of thermal comfort including thermal comfort within.
Analisis Pengujian Nilai Kalor Limbah Padat Kelapa Sawit pada PT.Syaukath Sejahtera untuk Bahan Bakar Boiler Ibrahim Ibrahim; Darwin Harun; Muammar Saputra
Jurnal Teknik Mesin Unsyiah Vol 3, No 1 (2015)
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Abstract

Palm oil processing insdustries does not only produce palm oil but also produce palm waste. The palm waste is filth of palm processing result which is mostly used for fertilizer only and a few of it is used for fuel. The use of palm solid waste, which is not maximal, let the existing energy potency is wasted uselesly. The objective of this research is to calculate the calor value contained in the palm solid waste to be used asfuel of the boiler in palm industries and other industries. The experiment is conducted by burning the palm solid wasteby using calorimeter bomb in 8 mixing ratios. Each mixing ratio is tested 3 times to get the average calor. From the experiment result, it is obtained that the average calor values are: 100% shell = 23.529,47kj/kg,  100% fiber = 20.588,26 kj/kg, 100% empty bunch =18.382,39 kj/kg, 20% shell, 80% fiber= 21.568,67 kj/kg, 0% shell,  60%fiber, 40% empty bunch = 19.117,69 kj/kg, 10% shell, 60% fiber, 30% empty bunch = 19.607,89 kj/kg, 10% shell, 30% fiber, 60% empty bunch = 18.627 kj/kg, 20% shell, 40% fiber, 40% empty bunch = 20.098,08 kj/kg. Thus, the highest calor value is in the burning of 100% of shell and the lowest is in the burning of 100% of empty bunch.

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