JURNAL ILMIAH TEKNIK MESIN最新文献

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ANALISIS PENGARUH VARIASI KECEPATAN PUTARAN BLOWER TERHADAP KINERJA KOLEKTOR PANAS TENAGA SURYA PELAT TEMBAGA DENGAN SEKAT VERTIKAL 分析鼓风机速度变化对铜板太阳能收集器垂直隔板性能的影响
JURNAL ILMIAH TEKNIK MESIN Pub Date : 2020-01-15 DOI: 10.33558/jitm.v7i1.1903
R. H. Rahmanto, Firmansyah, R. B. S. Majanasastra
{"title":"ANALISIS PENGARUH VARIASI KECEPATAN PUTARAN BLOWER TERHADAP KINERJA KOLEKTOR PANAS TENAGA SURYA PELAT TEMBAGA DENGAN SEKAT VERTIKAL","authors":"R. H. Rahmanto, Firmansyah, R. B. S. Majanasastra","doi":"10.33558/jitm.v7i1.1903","DOIUrl":"https://doi.org/10.33558/jitm.v7i1.1903","url":null,"abstract":"The availability of energy resources in the world increasingly diminish. More scientist is questing other renewable resources. The solar air heater is a tool that used energy by absorbing solar radiation then convert into heat energy. \u0000The study tried to have some variations to the speed of the air flow rate with spin 2500 rpm, 3000 rpm and 3500 rpm and give vertical partitions to it.The aim of giving vertical partitions is to know the influence to the heat transfer rate and the efficiency value of it. \u0000The result of this study is the speed variations of the blower take effect to the heat transfer rate. This is shown from the study data for 5 days, the average value of the heat of the system at 3500 rpm rotation is 341.6 Watts, 3000 rpm rotation value 305.7 Watt, and 2500 rpm rotation value 249.3 Watt. The average value of efficiency at 3500 rpm is 49.60%, 3000 rpm rotation is 43.22% and at 2500 rpm the value is 37.33%. The highest system heat is 535.79 Watt with the highest delta input and output temperature of 49.7 ℃. While the highest heat absorber is 1280.15 Watt with the highest light intensity, which is 140100 Lux. With a variety of rotation speeds blower and vertical partitions, this tool is capable of producing the highest efficiency of 67.95%, and the lowest is 24.85%.","PeriodicalId":201796,"journal":{"name":"JURNAL ILMIAH TEKNIK MESIN","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122819086","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
ANALISIS BEBAN PENDINGINAN PADA COLD STORAGE UNTUK PENYIMPANAN DAGING
JURNAL ILMIAH TEKNIK MESIN Pub Date : 2019-02-28 DOI: 10.33558/jitm.v7i1.1905
Ratu Mutia Fajarani, Yopi Handoyo, R. H. Rahmanto
{"title":"ANALISIS BEBAN PENDINGINAN PADA COLD STORAGE UNTUK PENYIMPANAN DAGING","authors":"Ratu Mutia Fajarani, Yopi Handoyo, R. H. Rahmanto","doi":"10.33558/jitm.v7i1.1905","DOIUrl":"https://doi.org/10.33558/jitm.v7i1.1905","url":null,"abstract":"Cooling is the best preservation method than others because the food that has been cooled will remain fresh and will not experience a change in taste, color and aroma, besides all the activities that cause decay will stop so that the cooled food will last longer. (Hartanto, 1984). With the proper cooling engine planning, it can help with spatial adjustments, adjustments to loading, estimation of the power to be used, and budget plans. That is what is commonly called the cooling load calculation. Calculation of cooling load needs to be carried out before planning. This is necessary because the magnitude of the pending load is very influential on the selection of the cooling engine so that the freezing point for preserving food can be accurate. Pendiginan burden is influenced by external and internal factors. With the experimental method, it is obtained the results of the external cooling load as the external cooling load is 11.6 kW, the inner cooling load is 138.8 kW and the performance work coefficient (COP) is 2.","PeriodicalId":201796,"journal":{"name":"JURNAL ILMIAH TEKNIK MESIN","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116101732","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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