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52 Cards in this Set
- Front
- Back
CH4 calorific value btu ft3 |
1000 |
|
CH4 Calorific value kj/m3 |
37240kj/m3 |
|
CH4 calorific value btu/gal |
96000btu/gal |
|
CH4 Theo air ratio |
10:1 |
|
CH4 real-time density as liquid and gas |
Liquid 0.424 Gas .6 |
|
CH4 boiling point |
-258F or -161C |
|
CH4 explosive with in what gas air ratio |
5-15% |
|
CH4 ignition temp |
1200F 649C |
|
CH4 flame temp |
3350F or 1843C |
|
C3H10 |
Propane |
|
Cal value Propane |
2500 |
|
Theo air Propane |
24:1 |
|
RD gas and liquid Propane |
L .51 G 1.5 |
|
Boiling point Propane |
-44F -42C |
|
Explosive with in Propane |
2.4 - 9.6% |
|
Expands how much as liquid Propane |
270 times |
|
Ignition temp Propane |
950F 510C |
|
Flame temp Propane |
3500F 1927C |
|
C4H10 |
Butane |
|
Heating value butane |
3200 |
|
Theo air Butane |
30:1 |
|
RD liquid and gas Butane |
.58L 2G |
|
Boiling point Butane |
32F 0c |
|
Explosive with in butane |
1.9 - 8.6% |
|
Ignition temp butane |
825F 441C |
|
Flame temp butane |
3450f 1899C |
|
3 Ts of combustion |
Temperature Time Turbulence |
|
Combustion triangle |
Heat oxygen fuel |
|
Normal propane building supply pressure to residential duelling |
11” wc |
|
How to calculate pressure drop |
Operating pressure subtracted from standing pressure |
|
Hear of combustion is concentrated were on flame |
Top of inner cone |
|
Outside cone of flame is |
Secondary air |
|
How much excess air is required for complete combustion |
40% |
|
CH4 latent heat of vaporization |
228 |
|
CH4 latent heat of vaporization |
228 |
|
C3H10 latent heat of vaporization |
154 |
|
C4H10 latent heat of vaporization |
160 |
|
Specific heat of Water Ice Steam |
Water 1 Ice 0.5 Steam 0.5 |
|
What is combustion |
A self sustaining process once started the temperature liberated by combustion will be maintained above the ignition temperatures |
|
Convert inches of water column to psig |
Multiply by 0.0361 |
|
To convert inches of water column oz per square inch |
Multiply by 0.578 |
|
Oxidizing flame |
Small inner cone small putter cone |
|
Carbonizing flame |
Large inner cone large outer cone |
|
Manifold pressure Methane Propane Butane |
Methane 3.5”wc Propane 11”wc Butane 11”wc |
|
Max allowable pressure drop |
1”wc |
|
Venturi effect |
Faster the flow lower the pressure Slower the flow higher the pressure |
|
Atmospheric pressure |
14.7psi |
|
Concave Convex |
Concave inner (water) Convex putter (mercury) |
|
Pressure supply for water |
7-14”wc |
|
Pressure supply for water |
7-14”wc |
|
Pressure supply for propane |
11-14”wc |
|
How many Kj to raise 1 gram water 1degree Celsius |
4.2 |