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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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Jurnal Teknik Mesin
Published by Universitas Syiah Kuala
ISSN : 23018224     EISSN : 26230747     DOI : -
Core Subject : Engineering,
Mechanical Engineering
Arjuna Subject : -
Articles 5 Documents
 1 
Search results for , issue "Vol 3, No 1 (2015)" : 5 Documents clear
Kaji Prospek Pemanfaatan Sistem Pembangkit Listrik Hibrida Energi Angin dan Matahari di Desa Langi Kepulauan Simeulue Anan Niazi Usman; Ahmad Syuhada; Hamdani Hamdani
Jurnal Teknik Mesin Unsyiah Vol 3, No 1 (2015)
Publisher : Jurnal Teknik Mesin Unsyiah

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Abstract

Langi is a rural area in Simeulue distric having not yet received electricity by national grid. To enhance daily activity of Langi villager in term oflighting and utilities, local diesel generators used as main power. Increasing fuel cost effect to production cost of diesel generator. Since this type of power source is not viable option economically.This study investigates feasibility of hybrid system to provide electricity in Langi. The hybrid system uses combination of diesel generator, solar panels and wind turbines. Meteorology Agency reports wind speedaverage 3-3.67 m/sec at 10 meters above sea level and daily average radiation about 2.5-4.5 kWh/m2/day. Those data used as initial input to simulated power hybrid system using HOMER software. The simulation results show that appropriate combination applied in Langi is a unit of solar panels 55 kW, 10 unit wind turbines with the capacity 30 kW, 2 unit diesel generators with capacity 110 kW and 30 kW, and a 40 kW inverter. Refer to Langi village electricity demand around 220.807 kWh/year, so electricity producing by the hybrid system able to supply around 399 088 kWh/year.
Pembuatan Sistem Penghitung Kecepatan Mobil Listrik Teknik Mesin Unsyiah Berbasis Mikrokontroler Atmega 8535 Syahriza Syahriza; Masri Ibrahim; Arhami Arhami; Naswadi Naswadi
Jurnal Teknik Mesin Unsyiah Vol 3, No 1 (2015)
Publisher : Jurnal Teknik Mesin Unsyiah

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Abstract

Speed measurement equipment is very essential in a vehicle. The speed measurement equipment engineered in this research is specially designed for the electric vehicle of Mechanical Engineering, Syiah Kuala University, which is equipped with microcontroller of atmega 8353. The sensor system utilized is a dc generator which is connected to the front wheel of the electric car. The rotation of the wheel causes the generator to rotate that the generator produces dc electric voltage that the voltage is sent to the microcontroller. In general there are two main base components used for speed measurement equipment which are hardware and software. The software used to support the programming of the equipment is code vision AVR. The reading of input signal, processing and the visual display are designed with code vision AVR programming and c programming language. The test was conducted at the wheel of the vehicle with several steps of rotation speed to know the speed of the vehicle in rpm and convert it into km/hour by calibrating it based on the wheel diameter. The speed data is displayed on an LCD in real time that the driver knows the real speed.
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)
Publisher : Jurnal Teknik Mesin Unsyiah

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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 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)
Publisher : Jurnal Teknik Mesin Unsyiah

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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.
Analisis Kenyamanan Thermal Pada Ruang Pendaftaran Pasien Gedung RSUD Meuraxa Banda Aceh Junaidi Junaidi; Ahmad Syuhada; Zahrul Fuadi
Jurnal Teknik Mesin Unsyiah Vol 3, No 1 (2015)
Publisher : Jurnal Teknik Mesin Unsyiah

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Abstract

The improvement status of RSUD Meuraxa from non referral to full service and equipped hospital brought several implications to the hospital services particularly in dealing with the increase of patients. The increasing flow of patients in line results in the escalation of the room temperature. The condition was affected by thermal inconveniency caused by direct thermal radiation from the sun, embedded and congenital metabolism of patients (Met), patient clothing insulation (Clo), room equipments and room air circulation. The phenomena affect human performance in their activities. To maintain its status as a general hospital, the impaired condition should be addressed by knowing first the source of the cause. Several measures are normally conducted through direct assessment of the room thermal condition involving the temperature measurement, relative humidity, rate of air flow, and sun ray intensity. Based on the measurement and analysis, it is found that the increase in the room’s occupation has resulted in average increase of room temperature and relative humidity of 30C and 2%, respectively.Themaximum indoor temperature reached 360 while the minimum humidity was 44%. The average indoor air flow rate was less than 1 m/s. It is suggested that one possible solution to improve the thermal inconvenience on the room is by installing the air blower to improve the air circulation of the room.

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