Installation manual

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Energy Content of Various Types of Fuel
Energy Content of Various Types of Fuel
Conversion Tables
Energy units
Power units
Pressure
Length
Powers
Fuel
Heating value
1
H
i
(H
u)
1. Heating value Hi (formerly H
u
)
The heating value H
i
(also called the lower heating value) is the thermal energy which is released during total combustion when the steam produced during combustion is
discharged without being utilized.
Calorific value
2
H
s
(H
o
)
2. Calorific value Hs (formerly H
o
)
The calorific value H
s
(also called the upper heating value) is the thermal energy which is released during total combustion when the steam produced during combustion is
condensated so that the heat of evaporation is therefore available for use.
max. CO
2
emission (kg/kWh) based on
Heating value Calorific value
Coal 8.14 kWh/kg 8.41 kWh/kg 0.350 0.339
Heating oil EL 10.08 kWh/kg 10.57 kWh/kg 0.312 0.298
Heating oil S 10.61 kWh/kg 11.27 kWh/kg 0.290 0.273
Natural gas L
8.87 kWh/m
n
3
9.76 kWh/m
n
3
0.200 0.182
Natural gas H
10.42 kWh/m
n
3
11.42 kWh/m
n
3
0.200 0.182
Liquefied gas (propane)
(ρ = 0.51 kg/l)
12.90 kWh/kg
6.58 kWh/kg
14.00 kWh/kg
7.14 kWh/kg
0.240 0.220
Unit A kWh kcal
1 J = 1 Nm = 1 Ws 1
2.778 * 10
-7
2.39 * 10
-4
1 kWh
3.6 * 10
6
1 860
1 kcal
4.187 * 10
3
1.163 * 10
-3
1
Specific heat capacity of water: 1.163 Wh/kg K = 4.187 J/kg K = 1 kcal/kg K
Unit kJ/h W kcal/h
1 kJ/h 1 0.2778 0.239
1 W 3,6 1 0.86
1 kcal/h 4.187 1.163 1
Bar Pascal Torr Water column
1 100.000 750 mm HG 10.2 m
Metre Inch Foot Yard
1 39.370 3.281 1.094
0.0254 1 0.083 0.028
Prefix Abbreviation Denotation Prefix Abbreviation Denotation
Deca da
10
1
Deci d
10
-1
Hecto h
10
2
Centi c
10
-2
Kilo k
10
3
Milli m
10
-3
Mega M
10
6
Micro μ
10
-6
Giga G
10
9
Nano n
10
-9
Tera T
10
12
Pico p
10
-12
Peta P
10
15
Femto f
10
-15
Exa E
10
18
Atto a
10
-18