Sfc yang dihasilkan menggunakan bahan bakar Premium 100
57 • P = 401,2 watt = 0,4012 kW
⇒
n= 4410 rpm ;
�� = 59 ��
�̇� = ��. 10
−3
�
�
× 3600 �̇� =
59 × 10
−3
300 × 3600
�̇� = 0,708 ����� Maka:
��� = �̇� �10
3
�
�
��� = 0,708
�10
3
0,4012 ��� = 1765 ������
• P = 603,7 watt = 0,6037 kW
⇒
n= 4510 rpm ;
�� = 66 ��
�̇� = ��. 10
−3
�
�
× 3600 �̇� =
66 × 10
−3
300 × 3600
�̇� = 0,792 ����� Maka:
��� = �̇� �10
3
�
�
��� = 0,792
�10
3
0,6037 ��� = 1312 ������
• P = 801,2 watt = 0,8012 kW
⇒
n= 4600 rpm ;
�� = 72 ��
�̇� = ��. 10
−3
�
�
× 3600 �̇� =
72 × 10
−3
300 × 3600
�̇� = 0,864 ����� Maka:
58 ��� =
�̇� �10
3
�
�
��� = 0,864
�10
3
0,8012 ��� = 1078 ������
• P = 1001 watt = 1,001 kW
⇒
n= 4690 rpm ;
�� = 77 ��
�̇� = ��. 10
−3
�
�
× 3600 �̇� =
77 × 10
−3
300 × 3600
�̇� = 0,924 ����� Maka:
��� = �̇� �10
3
�
�
��� = 0,924
�10
3
1,001 ��� = 922,9 ������
• P = 1008 watt = 1,008 kW
⇒
n= 4560 rpm ;
�� = 83 ��
�̇� = ��. 10
−3
�
�
× 3600 �̇� =
83 × 10
−3
300 × 3600
�̇� = 0,996 ����� Maka:
��� = �̇� �10
3
�
�
��� = 0,996
�10
3
1,008 ��� = 988,1 ������
59 Tabel 4.9 Sfc 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
ṁf kgjam
0,612 0,708 0,792
0,864 0,924
0,996
SFC gkW.h
3054 1765
1312 1078
922,9 988,1
4.3.2 Sfc yang dihasilkan menggunakan bahan bakar Premium 99 + serbuk pelepah kelapa sawit 1
• P = 200,8 watt = 0,2008 kW
⇒
n= 4360 rpm ;
�� = 54 ��
�̇� = ��. 10
−3
�
�
× 3600 �̇� =
54 × 10
−3
300 × 3600
�̇� = 0,648 ����� Maka:
��� = �̇� �10
3
�
�
��� = 0,648
�10
3
0,2008 ��� = 3227 ������
• P = 400,4 watt = 0,4004 kW
⇒
n= 4420 rpm ;
�� = 62 ��
�̇� = ��. 10
−3
�
�
× 3600 �̇� =
62 × 10
−3
300 × 3600
�̇� = 0,744 ����� Maka:
��� = �̇� �10
3
�
�
��� = 0,744
�10
3
0,4004
60 ��� = 1858 ������
• P = 602,4 watt = 0,6024 kW
⇒
n= 4530 rpm ;
�� = 69 ��
�̇� = ��. 10
−3
�
�
× 3600 �̇� =
69 × 10
−3
300 × 3600
�̇� = 0,828 ����� Maka:
��� = �̇� �10
3
�
�
��� = 0,828
�10
3
0,6037 ��� = 1374 ������
• P = 801,6 watt = 0,8016 kW
⇒
n= 4610 rpm ;
�� = 75 ��
�̇� = ��. 10
−3
�
�
× 3600 �̇� =
75 × 10
−3
300 × 3600
�̇� = 0,9 ����� Maka:
��� = �̇� �10
3
�
�
��� = 0,9
�10
3
0,8016 ��� = 1122,75 ������
• P = 1001 watt = 1,001 kW
⇒
n= 4690 rpm ;
�� = 80 ��
�̇� = ��. 10
−3
�
�
× 3600 �̇� =
80 × 10
−3
300 × 3600
�̇� = 0,96 �����