?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+KELEMBAPAN+UDARA+TERHADAP+PRESTASI+MESIN%0D%0ABENSIN+4-LANGKAH+PADA+MOTOR+4-TAK+1+SILINDER+DENGAN%0D%0A%0D%0AMETODE+CHASSIS+DYNAMOMETER%0D%0A&rft.creator=Muhammad+%2C+Farhan+Mudrick&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Kondisi+kelembapan+mempengaruhi+performa+motor+bakar+dan+kadar+emisi+yang%0D%0Adihasilkan.+Studi+menunjukkan+meningkatnya+kelembapan+dapat+menekan+kadar%0D%0Aemisi+pada+motor+bakar.+Penelitian+ini+dailakukan+untuk+mengetahui+nilai+torsi%2C%0D%0Adaya%2C+dan+emisi+gas+buang+yang+dihasilkan+motor+bakar+bensin+4+langkah+yang%0D%0Adipengaruhi+oleh+kelembapan+dan+putaran+mesin.+Penelitian+dilakukan%0D%0Amenggunakan+motor+bakar+bensin+4+langkah+dengan+variasi+kelembapan+53%25%2C+64%25%2C%0D%0Adan+73%25.+Variasi+putaran+mesin+pada+pengujian+torsi+dan+daya+adalah+4500+RPM%2C%0D%0A6000+RPM%2C+dan+7500+RPM%2C+sedangkan+nilai+putaran+pada+pengujian+emisi+adalah%0D%0A6000+RPM.+Variasi+kelembapan+diatur+dengan+nano+mist+sprayer%2C+performa+mesin%0D%0Adiuji+menggunakan+alat+dynotest+serta+pengujian+emisi+menggunakan+Exhaust+Gas%0D%0AAnalizer+Stargas+898.+Berdasarkan+pengujian%2C+kelembapan+64%25+menghasilkan+nilai%0D%0Aterbaik+dimana+pada+putaran+mesin+6000+RPM+menghasilkan+daya+terbaik+dengan%0D%0Apeningkatan+dari+nilai+putaran+sebelumnya+sebesar+72%25.+Pada+variasi+kelembapan%0D%0Ayang+sama%2C+torsi+terbaik+didapat+pada+putaran+mesin+7500+RPM+dimana+peningkatan%0D%0Anilai+dari+pengujian+sebelumnya+sebesar+29%25.+Variasi+kelembapan+64%25+juga+dapat%0D%0Amenekan+emisi+gas+buang+pada+motor+bakar+bensin+4+langkah.+Variasi+kelembapan%0D%0A64%25+mendapat+nilai+terbaik+karena+kadar+uap+air+yang+sedang+tidak+mempengaruhi%0D%0Aperforma+mesin+secara+signifikan+sehingga+performa+mesin+stabil.+Variasi+64%25%0D%0Amenghasilkan+nilai+terbaik+karena+kadar+kelembapan+yang+tidak+terlalu+tinggi+dapat%0D%0Amengikat+emisi+gas+buang+saat+proses+pembakaran+dan+menekan+emisi+yang+keluar.%0D%0AKata+kunci%3A+Torsi%2C+daya%2C+Emisi%2C+Kelembapan%2C+Putaran+Mesin.%0D%0A%0D%0AABSTRACT%0D%0A%0D%0AINFLUENCE+OF+AIR+HUMIDITY+ON+THE+PERFORMANCE+OF+4-%0D%0ASTROKE+GASOLINE+ENGINE+IN+1-CYLINDER+4-STROK+MOTORCYCLES%0D%0A%0D%0AUSING+THE+CHASSIS+DYNAMOMETER+METHOD%0D%0A%0D%0ABy%0D%0A%0D%0AMuhammad+Farhan+Mudrick%0D%0A%0D%0AHumidity+conditions+affect+the+performance+of+combustion+engines+and+the+levels+of%0D%0Aemissions+produced.+Studies+show+that+increasing+humidity+can+reduce+emission%0D%0Alevels+in+combustion+engines.+This+research+was+carried+out+to+determine+the+values%0D%0Aof+torque%2C+power+and+exhaust+emissions+produced+by+a+4-stroke+petrol+engine+which%0D%0Aare+influenced+by+humidity+and+engine+speed.+The+research+was+carried+out+using+a%0D%0A4-stroke+petrol+motorbike+with+humidity+variations+of+53%25%2C+64%25+and+73%25.+The%0D%0Aengine+speed+variations+in+torque+and+power+testing+are+4500+RPM%2C+6000+RPM+and%0D%0A7500+RPM%2C+while+the+rotation+value+in+emissions+testing+is+6000+RPM.+Humidity%0D%0Avariations+were+regulated+using+a+nano+mist+sprayer%2C+engine+performance+was%0D%0Atested+using+a+dynotest+tool+and+emissions+were+tested+using+a+Stargas+898+Exhaust%0D%0AGas+Analyzer.+Based+on+the+test%2C+64%25+humidity+produced+the+best+value+where+at%0D%0A6000+RPM+engine+speed+it+produced+the+best+power+with+an+increase+from+the%0D%0Aprevious+value+of+72+%25.+At+the+same+humidity+variation%2C+the+best+torque+was%0D%0Aobtained+at+7500+RPM+engine+speed%2C+which+increased+the+value+from+the+previous%0D%0Atest+by+29%25.+Humidity+variations+of+64%25+can+also+reduce+exhaust+emissions+in+4-%0D%0Astroke+petrol+motorbikes.+The+humidity+variation+of+64%25+gets+the+best+score+because%0D%0Athe+moderate+water+vapor+content+does+not+significantly+affect+engine+performance%0D%0Aso+engine+performance+is+stable.+The+64%25+variation+produces+the+best+value%0D%0Abecause+humidity+levels+that+are+not+too+high+can+bind+exhaust+emissions+during+the%0D%0Acombustion+process+and+suppress+emissions+that+come+out.%0D%0AKeywords%3A+Torque%2C+Power%2C+Emissions%2C+Humidity%2C+Engine+Speed.&rft.publisher=FAKULTAS+TEKNIK&rft.date=2024-06-19&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82783%2F1%2FABSTRAK%2520-%2520Muhammad%2520Farhan%2520Mudrick.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82783%2F2%2FSKRIPSI%2520FULL%2520-%2520Muhammad%2520Farhan%2520Mudrick.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82783%2F3%2FSKRIPSI%2520FULL%2520TANPA%2520BAB%2520PEMBAHASAN%2520-%2520Muhammad%2520Farhan%2520Mudrick.pdf&rft.identifier=++Muhammad+%2C+Farhan+Mudrick++(2024)+PENGARUH+KELEMBAPAN+UDARA+TERHADAP+PRESTASI+MESIN+BENSIN+4-LANGKAH+PADA+MOTOR+4-TAK+1+SILINDER+DENGAN+METODE+CHASSIS+DYNAMOMETER.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F82783%2F