Adiabatic Flame Temperature

Question 1

For CH4/air premixed flames at unity equivalent ratio (=1), the adiabatic flame temperature is closest to

Answer 1

2200 K

Question 2

For propane/air premixed flames at unity equivalent ratio (=1), the adiabatic flame temperature is closest to

Answer 2

2250 K

Question 3

For ethylene/air premixed flames at unity equivalent ratio (=1), the adiabatic flame temperature is closest to

Answer 3

2350 K

Question 4

For benzene/air premixed flames at unity equivalent ratio (=1), the adiabatic flame temperature is closest to

Answer 4

2350 K

Question 5

For CO/air premixed flames at unity equivalent ratio (=1), the adiabatic flame temperature is closest to

Answer 5

2400 K

Question 6

For hydrogen/air premixed flames at unity equivalent ratio (=1), the adiabatic flame temperature is closest to

Answer 6

2400 K

Question 7

For acetylene/air premixed flames at unity equivalent ratio (=1), the adiabatic flame temperature is closest to

Answer 7

2600 K

Question 8

At ϕ=1, the difference of the adiabatic temperature between a CH4/air premixed flame and a O2/air premixed flame?

Answer 8

800 K

Question 9

About the adiabatic flame temperature of the CH4/air mixtures at ambient initial temperature, which statement(s) is (are) correct?

Answer 9

1) At ambient pressure, its highest value appear at at ϕ≈1.05, and at high pressures it apprears at ϕ≈1.0.
2) The peak temperature is related to the dissociation of products H2O and CO2,

Question 10

At ϕ=0,55, the adiabatic temperature of a C3H8/air mixture is closest to

Answer 10

1600 K

Question 11

At ϕ=1, which mixture among methane/air, propane/air and ethylene/air has the highest flame temperature?

Answer 11

Ethylene/air or C3H8/air