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PEMANFAATAN AIR PANAS BUMI UNTUK ALAT PENGERING GABAH DI BUKIT KASIH KANONANG Glendi Umbas; Frans Palobo Sappu; Tertius V Y Ulaan
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 3 No. 2 (2014): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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Abstract

Traditionaly heat from the sun is employ in drying. The weakness is drying time relatively too long and weather can not be controlled. The utilization of spring water in Bukit Kasih Kanonang for drying of grain is an alternative that does not depend on weather conditions. The spring water heats the plate, then hot of plate directly in contact with the grain. It is causes the grain receiving heat and evaporate the water in the grain, them the grain dried well. From this research, it can be concluded that the drying time effect on grain’s moisture content linearly. The longer the drying time, the lower the moisture content of grain. In this research, the process of drying grain with water temperature 60 0C is enough dry the grain as 2, 104 kg during 5.13 hours. Keywords : Grain, Spring Water, Bukit Kasih Kanonang
ANALISIS POTENSI AIR PANAS DI BUKIT KASIH KANONANG UNTUK PENGERING GABAH Reyvo Rully Dien; Tertius V Y Ulaan; Romels C A Lumintang
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 3 No. 2 (2014): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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Abstract

This study is intended to analyze thehot spring water potential at Bukit KasihKanonang by studying the influence of water level toward the water contents reduction ofunhulled rice mass after drying process has been done.Unhulled rice drying process has been examined on the dryer for five days with thevaried water level. The examination was being done in five hourseach day, starts at 9.00a.m till 02.00 p.m WITA (the local time of middle Indonesia).The result of analysis shows that the percentage of the ideal water contentreduction stand on the position level water with height 15 cm which is 72.470 %. The mostoptimal heat transfer rate of the unhulled rice stands on level 10 cm with the drying timeof 5 hours and cross-sectional size of the dryer is 50 x 50 cm.Keywords : Hot spring Water, Unhulled-Rice Drying, Drying Temperature
PERBANDINGAN KEKUATAN PENGELASAN LISTRIK DENGAN PENGELASAN GAS PADA MATERIAL BESI SIKU JIS G3101 Dwi Atmaja Mukti; Rudy Poeng; Tertius V Y Ulaan
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 4 No. 1 (2015): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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Abstract

The research was to compare two types of welding, i.e. electric welding and gas welding for the strength and the yield stress of a brackets made of angle steel conform  to JIS G 3101 material.The  results of strength has been done by previous researcher (Tumurang, 2014), while this research doing the strength of gas welding. The research shows that electric welding gives a better effect than gas welding. The tensile stress is 33.865%better, and the yield stress is 48.843% better. It is concluded that the welding of the material JIS G 3101 brackets is more appropriate to use the electrical welding than using gases of welding. Keywords: Strength of welding, Angle steel, Tensile test.
ANALISIS EFEKTIVITAS RADIATOR PADA MESIN TOYOTA KIJANG TIPE 5 K David Fraim Simamora; Frans Palobo Sappu; Tertius V Y Ulaan
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 4 No. 2 (2015): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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Abstract

  ABSTRACT The Function of a radiator on the car engine is to cool down the cooling fluid which arbsorbed the heat from the engine. Subsequently the heat is transferred to the air that drawned by a fan. This research aim is to calculate the efectivity of a radiator during the effort of the cooling process on the engine of Toyota Kijang type 5 K, so the engine can optimally work. This research is done at the condition of idle rotation, by recording the number of the engine rotation , the temperature of drawn and leaving the radiator. Base on the results of we may concluded that radiator works efective on the cooling process with the rotation of 1700 rpm with the efectifity number is 0.502, at rotation of 2000 rpm the efectifity number is 0.52 and at rotation of 2500 rpm the efectifity number is 0.584. Keywords : radiator, engine rotation (n), effectiveness (ϵ).