AFR yang dihasilkan bahan bakar 95 Premium + 5 Super fuel

Sehingga: ��� = ṁ � ṁ � ��� = 10,087 ����� 0,996 ����� ��� = 10,13 Tabel 4.19 AFR hasil pengujian dengan bahan bakar 100 premium Bahan Bakar Parameter Performansi Jumlah lampu 100 Watt 2 4 6 8 10 12 100 premium n rpm 4430 4470 4570 4660 4760 4460 P Watt 202,1 400,4 602,5 800 1002 940,3 ṁa kgjam 10,087 10,087 10,087 10,087 10,087 10,087 ṁf kgjam 0,612 0,708 0,816 0,768 0,924 0,996 AFR 16,48 14,25 12,36 13,13 10,92 10,13 4.6.2 AFR yang dihasilkan bahan bakar 95 Premium + 5 Super fuel • P = 200,20 watt = 0,2002 kW ⇒ n= 4343 rpm ṁf = 0,672 kgjam V d : 95 × 10 −6 � 3 V c : 10 × 10 −6 � 3 P i = 85 kPa R = 0,287 kJkg.K T i = 333 K � � = � � � � + � � �. � � � � = 8595 × 10 −6 + 10 × 10 −6 0,287 × 333 � � = 0,0000934 �� ��� − ����� Maka: ṁ � = �0,0000934 �� ��� − ������ 1 ��� � 3600 ��� 60 ��� � � 1 ����� 2 ��� � ṁ � = 0,002802 ����� Universitas Sumatera Utara ṁ � = 10,087 ����� Sehingga: ��� = ṁ � ṁ � ��� = 10,087 ����� 0,672 ����� ��� = 15,01 • 400,1 watt = 0,4001 kW ⇒ n= 4439 rpm ṁf = 0,78 kgjam V d : 95 × 10 −6 � 3 V c : 10 × 10 −6 � 3 P i = 85 kPa R = 0,287 kJkg.K T i = 333 K � � = � � � � + � � �. � � � � = 8595 × 10 −6 + 10 × 10 −6 0,287 × 333 � � = 0,0000934 �� ��� − ����� Maka: ṁ � = �0,0000934 �� ��� − ������ 1 ��� � 3600 ��� 60 ��� � � 1 ����� 2 ��� � ṁ � = 0,002802 ����� ṁ � = 10,087 ����� Sehingga: ��� = ṁ � ṁ � ��� = 10,087 ����� 0,78 ����� ��� = 12,93 Universitas Sumatera Utara • P = 602,45 watt = 0,6024 kW ⇒ n= 4525 rpm ṁf = 0,9 kgjam V d : 95 × 10 −6 � 3 V c : 10 × 10 −6 � 3 P i = 85 kPa R = 0,287 kJkg.K T i = 333 K � � = � � � � + � � �. � � � � = 8595 × 10 −6 + 10 × 10 −6 0,287 × 333 � � = 0,0000934 �� ��� − ����� Maka: ṁ � = �0,0000934 �� ��� − ������ 1 ��� � 3600 ��� 60 ��� � � 1 ����� 2 ��� � ṁ � = 0,002802 ����� ṁ � = 10,087 ����� Sehingga: ��� = ṁ � ṁ � ��� = 10,087 ����� 0,9 ����� ��� = 11,21 • P = 801,06 watt = 0,8016 kW ⇒ n= 4632 rpm ṁf = 0,852 kgjam V d : 95 × 10 −6 � 3 V c : 10 × 10 −6 � 3 P i = 85 kPa R = 0,287 kJkg.K T i = 333 K Universitas Sumatera Utara � � = � � � � + � � �. � � � � = 8595 × 10 −6 + 10 × 10 −6 0,287 × 333 � � = 0,0000934 �� ��� − ����� Maka: ṁ � = �0,0000934 �� ��� − ������ 1 ��� � 3600 ��� 60 ��� � � 1 ����� 2 ��� � ṁ � = 0,002802 ����� ṁ � = 10,087 ����� Sehingga: ��� = ṁ � ṁ � ��� = 10,087 ����� 0,852 ����� ��� = 11,84 • P = 1002,00 watt = 1,002 kW ⇒ n= 4734rpm ṁf = 1,02 kgjam V d : 95 × 10 −6 � 3 V c : 10 × 10 −6 � 3 P i = 85 kPa R = 0,287 kJkg.K T i = 333 K � � = � � � � + � � �. � � � � = 8595 × 10 −6 + 10 × 10 −6 0,287 × 333 � � = 0,0000934 �� ��� − ����� Universitas Sumatera Utara Maka: ṁ � = �0,0000934 �� ��� − ������ 1 ��� � 3600 ��� 60 ��� � � 1 ����� 2 ��� � ṁ � = 0,002802 ����� ṁ � = 10,087 ����� Sehingga: ��� = ṁ � ṁ � ��� = 10,087 ����� 1,02 ����� ��� = 9,89 • P = 962,46 watt = 0,9625 kW ⇒ n= 4437,5rpm ṁf = 1,056 kgjam V d : 95 × 10 −6 � 3 V c : 10 × 10 −6 � 3 P i = 85 kPa R = 0,287 kJkg.K T i = 333 K � � = � � � � + � � �. � � � � = 8595 × 10 −6 + 10 × 10 −6 0,287 × 333 � � = 0,0000934 �� ��� − ����� Maka: ṁ � = �0,0000934 �� ��� − ������ 1 ��� � 3600 ��� 60 ��� � � 1 ����� 2 ��� � ṁ � = 0,002802 ����� ṁ � = 10,087 ����� Universitas Sumatera Utara Sehingga: ��� = ṁ � ṁ � ��� = 10,087 ����� 1,056 ����� ��� = 9,55 Tabel 4.20 AFR hasil pengujian dengan bahan bakar 95 premium + 5 super fuel Bahan Bakar Parameter Performansi Jumlah lampu 100 Watt 2 4 6 8 10 12 95 premium + 5 super fuel n rpm 4343 4439 4525 4632 4734 4437,5 P Watt 200,20 401,01 602,45 801,06 1002,00 962,46 ṁa kgjam 10,087 10,087 10,087 10,087 10,087 10,087 ṁf kgjam 0,672 0,78 0,9 0,852 1,02 1,056 AFR 15,01 12,93 11,21 11,84 9,89 9,55 4.6.3 AFR yang dihasilkan bahan bakar 90 Premium + 10 Super fuel