Efisiensi termal yang dihasilkan bahan bakar Premium 100

69 η b = 0,2004 0,612.43966.0,97 � 3600 η b = 0,02764 η b = 2,764 • P = 401,2 watt = 0,4012 kW ⇒ n= 4410 rpm ṁf = 0,708 kgjam LHV = 43966 kjkg η b = � � ṁ � . ���. η� � 3600 η b = 0,4012 0,708.43966.0,97 � 3600 η b = 0,04784 η b = 4,784 • P = 603,7 watt = 0,6037 kW ⇒ n= 4510 rpm ṁf = 0,792 kgjam LHV = 43966 kjkg η b = � � ṁ � . ���. η� � 3600 η b = 0,6037 0,792.43966.0,97 � 3600 η b = 0,06434 η b = 6,434 • P = 801,2 watt = 0,8012 kW ⇒ n= 4600 rpm ṁf = 0,864 kgjam LHV = 43966 kjkg η b = � � ṁ � . ���. η� � 3600 η b = 0,8012 0,864.43966.0,97 � 3600 η b = 0,07828 70 η b = 7,828 • P = 1001 watt = 1,001 kW ⇒ n= 4690 rpm ṁf = 0,924 kgjam LHV = 43966 kjkg η b = � � ṁ � . ���. η� � 3600 η b = 1,001 0,924.43966.0,97 � 3600 η b = 0,09147 η b = 9,147 • P = 1008 watt = 1,008 kW ⇒ n= 4560 rpm ṁf = 0,996 kgjam LHV = 43966 kjkg η b = � � ṁ � . ���. η� � 3600 η b = 1,008 0,996.43966.0,97 � 3600 η b = 0,08543 η b = 8,543 Tabel 4.13 Efisiensi thermal hasil pengujian dengan bahan bakar premium 100 Bahan Bakar Parameter Performansi Jumlah lampu 100 Watt 2 4 6 8 10 12 Premium 100 n rpm 4330 4410 4510 4600 4690 4560 P Watt 200,4 401,2 603,7 801,2 1001 1008 LHV kJkg 43966 43966 43966 43966 43966 43966 ṁf kgjam 0,612 0,708 0,792 0,864 0,924 0,996 η b 2,764 4,784 6,434 7,828 9,147 8,543 71 4.4.2 Efisiensi termal yang dihasilkan bahan bakar Premium 99 + serbuk pelepah kelapa sawit 1 • P = 200,8 watt = 0,2008 kW ⇒ n= 4360 rpm ṁf = 0,648 kgjam LHV = 41466 kjkg η b = � � ṁ � . ���. η� � 3600 η b = 0,2008 0,648.41466.0,97 � 3600 η b = 0,02774 η b = 2,774 • P = 400,4 watt = 0,4004 kW ⇒ n= 4420 rpm ṁf = 0,744 kgjam LHV = 41466 kjkg η b = � � ṁ � . ���. η� � 3600 η b = 0,4004 0,744.41466.0,97 � 3600 η b = 0,04817 η b = 4,817 • P = 602,4 watt = 0,6024 kW ⇒ n= 4530 rpm ṁf = 0,828 kgjam LHV = 41466 kjkg η b = � � ṁ � . ���. η� � 3600 η b = 0,6024 0,828.41466.0,97 � 3600 η b = 0,06512 η b = 6,512 • P = 801,6 watt = 0,8016 kW ⇒ n= 4610 rpm ṁf = 0,9 kgjam 72 LHV = 41466 kjkg η b = � � ṁ � . ���. η� � 3600 η b = 0,8016 0,9.41466.0,97 � 3600 η b = 0,07971 η b = 7,971 • P = 1002 watt = 1,002 kW ⇒ n= 4710 rpm ṁf = 0,96 kgjam LHV = 41466 kjkg η b = � � ṁ � . ���. η� � 3600 η b = 1,002 0,96.41466.0,97 � 3600 η b = 0,09346 η b = 9,346 • P = 959,6 watt = 0,9596 kW ⇒ n= 4448 rpm ṁf = 1,032 kgjam LHV = 41466 kjkg η b = � � ṁ � . ���. η� � 3600 η b = 0,9596 1,032.41466.0,97 � 3600 η b = 0,08322 η b = 8,322