?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+KOMPOSISI+DAN+KONDISI+AKTIVASI+FLY+ASH+LIMBAH%0D%0ASAWIT+TERHADAP+DAYA+REKAT+PELET+DAN+PRESTASI+MESIN%0D%0ASEPEDA+MOTOR+BENSIN+4-LANGKAH&rft.creator=+FAJRIN+MUHTADA%2C++(1115021031)&rft.subject=Mesin+(General).+Mesin+Sipil+(General)&rft.description=Semakin+bertambahnya+kendaraan+akan+menambah+pemakaian+bahan+bakar+dan%0D%0Amenyebabkan+meningkatnya+polusi+udara.+Sehingga+cadangan+minyak+bumi+pun%0D%0Asemakin+sedikit.+Untuk+itu+diperlukan+upaya+dalam+menghemat+atau+mengurangi%0D%0Akonsumsi+bahan+bakar+fosil.+Salah+satu+upaya+dalam+menghemat+konsumsi+bahan%0D%0Abakar+adalah+dengan+memanfaatkan+Sumber+Daya+Alam+yang+melimpah%2C+yaitu%0D%0Adengan+menggunakan+pelet+Fly+Ash+yang+berasal+dari+limbah+sawit.+Penelitian+ini%0D%0Adilakukan+dengan+tujuan+untuk+mengetahui+pengaruh+komposisi+dan+kondisi%0D%0Aaktivasi+pelet+fly+ash+terhadap+daya+rekat+pelet+dan+prestasi+mesin+sepeda+motor%0D%0Abensin+dalam+hal+konsumsi+bahan+bahar+dan+emisi+gas+buang.%0D%0APenelitian+ini+dilakukan+dengan+beberapa+pengujian%2C+yaitu+pengujian+daya+rekat%0D%0Apelet%2C+pengujian+stasioner%2C+pengujian+berjalan%2C+pengujian+akselerasi%2C+dan+pengujian%0D%0Aemisi+gas+buang.+Pelet+Fly+Ash+yang+digunakan+dalam+penelitian+ini+berdiameter%0D%0A10+mm+dengan+ketebalan+3+mm.+Pengujian+daya+rekat+dilakukan+dengan+variasi%0D%0Atemperatur+aktivasi+(175oC%2C+200oC%2C+dan+225oC)%2C+dan+variasi+waktu+aktivsai+(60%0D%0Amenit%2C+40+menit%2C+dan+20+menit).+Dilakukan+juga+variasi+komposisi+tapioka+(6%25%2C%0D%0A4%25%2C+dan+2%25)%2C+dan+variasi+massa+pelet+(6gr%2C+4%2C5+gr%2C+dan+3+gr)+pada+pengujian%0D%0Akonsumsi+bahan+bakar+dan+akselerasi.+Pelet+Fly+Ash+dikemas+dengan%0D%0Amenggunakan+frame+dari+kawat+strimin+yang+dibentuk+menyerupai+saringan+udara%0D%0Apada+kendaraan.+Sehingga+pelet+fly+ash+dapat+menyaring+udara+yang+akan+masuk%0D%0Ake+ruang+bakar.%0D%0ADari+hasil+penelitian+ini+diperoleh+temperatur+dan+waktu+aktivasi+dengan+daya%0D%0Arekat+terbaik+yaitu+pada+aktivasi+dengan+temperatur+175oC+selama+40+menit.%0D%0ASedangkan+komposisi+pelet+fly+ash+yang+terbaik+dalam+menghemat+konsumsi%0D%0Abahan+bakar+dan+meningkatkan+akselerasi+adalah+dengan+jumlah+tapioka+6%25+dan%0D%0Adengan+massa+filter+pelet+6+gram.+Penghematan+yang+terjadi+pada+pengujian%0D%0Astasioner+hingga+37%2C778%25+pada+putaran+1000+rpm%2C+28%2C333%25+pada+putaran+3000%0D%0Arpm%2C+dan+18%2C269%25+pada+putaran+5000+rpm.+Pada+pengujian+berjalan+terjadi%0D%0Apenghematan+sebesar+7%2C082%25.+Sementara+itu%2C+pada+pengujian+akselerasi+dapat%0D%0Ameningkatkan+akselerasi+mesin+sebesar+4%2C762%25+pada+akselerasi+0+%E2%80%93+80+km%2Fjam%0D%0Adan+17%2C241%25+pada+akselerasi+50+%E2%80%93+80+km%2Fjam.+Emisi+gas+CO+dapat+direduksi%0D%0Ahingga+85%2C48%25+pada+putaran+1500+rpm%2C+sedangkan+HC+direduksi+sebesar+89%2C76%25%0D%0Apada+putaran+1500+rpm+dan+36%2C97%25+pada+putaran+3500+rpm.%0D%0AKata+Kunci+%3A+adsorben+fly+ash+limbah+sawit%2C+perlakuan+udara+pembakaran%2C+prestasi+mesin%0D%0A%0D%0Aabstract%0D%0A%0D%0AMore+and+more+vehicle+was+increasing%2C+the+usage+of+fuel+make+consequences+increases%0D%0Aof+air+pollution.+So%2C+the+fuels+reserve+decreased.+Because+of+that%2C+we+need+to+do+thrifty+to%0D%0Adecrease+fossil+fuel+usage.+One+of+the+ways+to+decrease+fossil+fuel+usages+is+by+using%0D%0Anature+resource+that+is+by+using+pelet+fly+ash+forming+palm+waste.+This+research+was%0D%0Aaimed+to+know+the+influence+of+the+composition+and+condition+of+pelet+fly+ash+activation%0D%0Athrough+the+adhesiveness+of+pelet+and+gasoline+motorcycle+performance+in+the+usage+of%0D%0Afuel+and+vapor+from+gasoline.%0D%0AThis+research+did+some+of+tests%2C+there+were+sticking+pelet+test%2C+stationare+test%2C+running%0D%0Atest%2C+acceleration+test%2C+and+exhaust+gas+emission+test.+Fly+ash+pelet+which+used+in+this%0D%0Aresearch+have+a+10+mm+diameter+with+3+mm+thicness.+The+sticking+test+did+at%0D%0Atemperature+variation+(175oC%2C+200oC%2C+and+225oC)%2C+and+activation+time+(60+minutes%2C+40%0D%0Aminutes%2C+and+20+minutes).+The+other+test+were+based+on+tapioca+composition+(6%25%2C+4%25%2C%0D%0Aand+2%25)%2C+and+the+mass+of+pelet+(6gr%2C+4%2C5+gr%2C+dan+3+gr)+at+the+acceleation+and+fuel%0D%0Aconsumption+test+.fly+ash+pelets+were+packed+using+a+frame+that+made+frome+the+strimin%0D%0Awire+that+similar+with+air+filter+of+vehicle.+So+that+the+fly+ash+pelet+could+filter+the+air+that%0D%0Awould+entry+to+the+combuster.%0D%0AThe+result+from+this+research+showed+that+the+best+strength+of+sticking+based+on%0D%0Atemperature+and+the+activation+time+was+at+175%E2%80%A2C+in+40+minutes.+And+the+best%0D%0Acomposition+of+fly+ash+was+the+6%25+amount+of+tapioca+with+the+amount+of+filter+mass+6%0D%0Agrams.+The+savings+from+the+stationer+test+result+was+37%2C778%25+at+1000+rpm%2C+28%2C333%25+at%0D%0A3000+rpm+and+18%2C269%25+at+5000+rpm.+For+the+running+test%2C+the+amount+of+savings+was%0D%0A7%2C082%25.+At+the+acceleration+test%2C+it+increased+the+machine+acceleration+as+much+as%0D%0A4%2C762%25+at+0+%E2%80%93+80+km%2Fhour+and+17%2C241%25+at+50-80+km%2Fhour.+CO+gas+emission+could%0D%0Areduce+until+85%2C48+%25+at+1500+rpm%2C+while+HC+reduced+as+much+as+89%2C76%25+at+1500+rpm%0D%0Aand+36%2C97%25+at+3500+rpm.%0D%0AKey+Words+%3A+fly+ash%2C+fly+ash+waste%2C+fly+ash+pellets%2C+machine+performance&rft.publisher=FAKULTAS+TEKNIK+&rft.date=2016-08-16&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F23684%2F1%2FABSTRAK%2520%2528ABSTRACT%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F23684%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F23684%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=+++FAJRIN+MUHTADA%2C+(1115021031)++(2016)+PENGARUH+KOMPOSISI+DAN+KONDISI+AKTIVASI+FLY+ASH+LIMBAH+SAWIT+TERHADAP+DAYA+REKAT+PELET+DAN+PRESTASI+MESIN+SEPEDA+MOTOR+BENSIN+4-LANGKAH.++FAKULTAS+TEKNIK+%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F23684%2F