|
COMPARITIVE ENERGY CHART
| Energy source |
unit |
energy content (MJ / unit) |
unit content (unit / GJ) |
| Methane - rich pipeline gas |
m³
Kg |
33,9 45,3 |
29,5 22,1 |
| Hydrogen - rich pipeline |
m³ Kg |
37,8 37,2 |
26,5 26,9 |
| Natural gas |
m³
Kg |
37,8
142,1 |
26,5
7,0 |
| Hydrogen (gas) |
m³ Kg |
12,1
142,1 |
82,6
7,0 |
| Acetylene gas (8kg / cyl) |
m³
Kg |
12,1
142,1 |
82,6
7,0 |
Ipg (gas) Liquid: (48kg / cyl) |
m³ litre Kg |
106,4
26,8 50,01 |
9,4
37,3 20,0 |
| Propane (liquid) |
litre
Kg |
25,5
50,3 |
39,3
19,9 |
| Butane (liquid) |
litre Kg |
27,7
49,5 |
36,0
20,2 |
| Heavy fuel oil (hfo 150) |
litre
Kg |
27,7 42,5 |
36,0 20,2 |
| Illuminating paraffin |
litre
Kg |
34,8
44,0 |
28,7
22,7 |
| Ethanol |
litre |
24,0 |
47,7 |
| Diesel |
litre
Kg |
38,3
37,2 |
26,1
26,9 |
| Electricity |
kWh |
3,6 |
277,8 |
| Delivered coal (grade a) |
ton |
27500 |
0,0364 |
CONVERSION FACTORS: GENERAL
|
|
|
| pressure |
1bar |
= 14,5 psi
= 10,20 m H20
= 750 mm Hg
= 0,9869 atm
= 100 kPa
|
| Temperature |
°C
1K |
= 5/9 (oF -32)
= 1,8 R |
| Mass |
1Kg |
= 2,205 lb |
| Length |
1m |
= 3,281 ft |
| Volume |
1m³ |
= 35,31ft³ |
| Flow |
1m³h‾¹ |
= 103 1h‾¹
= 264, 2gph (US)
= 35,31 ft 3h‾¹
|
| Density |
1KGm‾³ |
= 0,06243 lb ft³
= 1gl‾¹ |
| Specific heat |
1kJ Kg‾¹ k‾¹ |
= 0,2388 Btu lb‾¹ R‾¹ |
| Heat transfer |
1kWm‾²k‾¹ |
= 176,1 Btuft‾² h‾¹ R‾¹ |
| Energy |
GJ
1MJm‾³ |
= 947 817 Btu
= 238 846 kcal
= 28,6m³ Natural gas @STP
= 52,77m³ Gascor gas @STP
= 20,0 kg LPG
= 36,01 LPG
= 277,8 kWh
= 26,1 Diesel
= 23,7 I HFO
= 26, 839 Btu ft-‾³ |
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