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52 Cards in this Set

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  • 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