?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PERANCANGAN%2C+PEMBUATAN+DAN+PENGUJIAN+COMPACT+HEAT+EXCHANGER+PADA+ALAT+PENGERING+KOPI&rft.creator=YULIAN+NUGRAHA%2C+1015021017&rft.subject=+&rft.description=ABSTRAK%0D%0ASecara+umum+penelitian+ini+menjelaskan+tentang+perancangan%2C+pembuatan%2C+dan+pengujian+compact+heat+exchanger+sebagai+alat+pemanas+pada+mesin+pengering+kopi+mekanik.+Sumber+panas+yang+digunakan+adalah+air+panas+keluaran+boiler.+Perancangan+dilakukan+untuk+mengetahui+dimensi+dari+heat+exchanger+agar+dapat+menghasilkan+temperatur+udara+panas+sesuai+dengan+temperatur+ideal+untuk+mengeringkan+biji+kopi+yaitu+50+%E2%80%93+600C.+Hasil+yang+diperoleh+dari+perancangan+adalah+heat+exchanger+menggunakan+spesifikasi+surface+tipe+7.75+%E2%80%93+5+%2F+8T+dari+Kays+and+London%2C+dengan+panjang+pipa+30+cm%2C+dan+panjang+maupun+lebar+sirip+yaitu+30+cm.+Dari+hasil+pengujian+dengan+laju+aliran+air+0%2C066467kg%2Fs%2C+temperatur+air+masuk+940C%2C+laju+aliran+udara+0%2C22kg%2Fs%2C+dan+temperatur+udara+masuk+320C%2C+maka+heat+exchanger+mampu+menghasilkan+temperatur+udara+keluar+sebesar+760C+udara+tersebut+sampai+ke+ruang+pengering+sebesar+500C.+Kemudian+dilakukan+pengujian+dengan+memvariasikan+laju+aliran+udara+masuk+terdapat+empat+variasi+yang+digunakan+yaitu+0.22+kg%2Fs%2C+0.38+kg%2Fs%2C+0.45+kg%2Fs%2C+dan+0.49+kg%2Fs.+Dari+hasil+pengujian+diperoleh+pengaruh+laju+aliran+udara+terhadap+temperatur+udara+keluar+dan+efektifitas+dari+heat+exchanger.+Semakin+tinggi+laju+aliran+udara+masuk+maka+temperatur+udara+yang+keluar+dan+efektifitas+heat+exchanger+akan+semakin+menurun%2C+efektifitas+maksimal+yang+diperoleh+yaitu+sebesar+73%25+dengan+temperatur+udara+keluar+maksimal+yaitu+760C.%0D%0A+++%0D%0AKata+kunci+%3A+compact+heat+exchanger%2C+fin+and+tube%2C+alat+penukar+panas%0D%0A%0D%0A%0D%0AABSTRACT%0D%0AIn+general%2C+this+research+explained+about+the+design%2C+manufacture%2C+and+testing+of+compact+heat+exchangers+as+a+means+of+heating+the+coffee+drying+machine+mechanic.+Heat+source+used+is+hot+water+from+the+boiler+output.+The+design+was+conducted+to+determine+the+dimensions+of+the+heat+exchanger+order+to+be+able+produce+hot+air+temperature+according+to+the+ideal+temperature+for+drying+coffee+beans+that+is+50+-+600C.+The+results+obtained+from+the+heat+exchanger+design+was+using+of+surface-type+specification+7.75+-+5+%2F+8T+of+Kays+and+London%2C+with+a+length+of+pipe+30+cm%2C+length+and+width+of+the+fin+is+30+cm.+From+the+test+results+with+rate+of+water+flow+0%2C066467kg+%2F+s%2C+incoming+water+temperature+940C%2C+air+flow+rate+0%2C22kg+%2F+s%2C+and+intake+air+temperature+320C%2C+the+heat+exchanger+is+capable+of+generating++of+air+out+temperature+760C%2C+air+get+to+drying+chamber+at+500C.+Then+be+tested+by+varying+the+intake+air+flow+rate%2C+there+are+four+variations+used+is+0%2C22+kg%2Fs%2C+0%2C38+kg%2Fs%2C+0%2C45+kg%2Fs%2C+and+0%2C49+kg%2Fs.+From+the+test+results+obtained+variations+of+air+flow+rate+influence+of+the+air+temperature+and+the+effectiveness+from+heat+exchanger.+The+higher+flow+rate+of+air+entering+so+exit+air+temperature+and+heat+exchanger+effectiveness+will+decrease%2C+the+maximum+effectiveness+obtained+that+is+equal+73%25+with+a+maximum+exit+air+temperature+is+760C.%0D%0A%0D%0AKeywords+%3A+compact+heat+exchanger%2C+fin+and+tube%2C+heat+exchanger.%0D%0A&rft.publisher=Fakultas+Teknik&rft.date=2015-01-08&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6756%2F1%2F1.%2520ABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6756%2F2%2F2.%2520ABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6756%2F3%2F3.%2520COVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6756%2F4%2F4.%2520LEMBAR%2520PERSETUJUAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6756%2F5%2F5.%2520LEMBAR%2520PENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6756%2F6%2F6.%2520PERNYATAAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6756%2F7%2F7.%2520RIWAYAT%2520HIDUP.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6756%2F8%2F8.%2520PERSEMBAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6756%2F9%2F9.%2520MOTTO.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6756%2F10%2F10.%2520SANWACANA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6756%2F11%2F11.%2520DAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6756%2F12%2F12.%2520DAFTAR%2520TABEL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6756%2F13%2F13.%2520DAFTAR%2520GAMBAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6756%2F14%2F14.%2520DAFTAR%2520SIMBOL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6756%2F15%2F15.%2520BAB%2520I%2520PENDAHULUAN.pdf&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