Marine Installation Manual 2022-03 9-5
9 Appendix
9.3 SI dimensions for internal combustion engines
X62DF-S2.0
9.3 SI dimensions for internal combustion engines
Table 9-3 SI dimensions
Symbol Definition SI-Units Other units
a Acceleration m/s
2
A Area m
2
, cm
2
, mm
2
BSFC Brake specific fuel consumption kg/J, kg/(kWh), g/(kWh)
c Specific heat capacity J/(kgK)
C, S Heat capacity, entropy J/K
e Net calorific value J/kg, J/m
3
E Modulus of elasticity N/m
2
, N/mm
2
F Force N, MN, kN
f, v Frequency Hz, 1/s
I Current A
I, J Moment of inertia (radius) kgm
2
l, L Length m, cm, mm
l
a
, l
p
Second moment of area m
4
K Coefficient of heat transfer W/(m
2
K)
L Angular momentum Nsm
L
(A)TOT
Total A noise pressure level dB
L
(LIN)TOT
Total LIN noise pressure level dB
L
OKT
Average spatial noise level over
octave band
dB
m Mass t, kg, g
M, T Torque moment of force Nm
N, n Rotational frequency 1/min, 1/s rpm
p Momentum Nm
p Pressure N/m
2
, bar, mbar, kPa
1bar = 100 kPa
100mmWG = 1 kPa
P Power W, kW, MW
q
m
Mass flow rate kg/s
q
v
Volume flow rate m
3
/s
t Time s, min, h, d
T, Θ, t, θ Temperature K, °C
U Voltage V
V Volume m
3
, dm
3
, l, cm
3
v, c, w, u Velocity m/s, km/h Kn