jetfire cone
TRANSCRIPT
![Page 1: Jetfire Cone](https://reader036.vdocuments.pub/reader036/viewer/2022082403/54474e32b1af9fe9108b4df8/html5/thumbnails/1.jpg)
Gas material Propane
Keterangan Simbol
Gas Velocity of expanded jetWind Velocity vVelocity ratio R
Air density
Density of gas under std conditionTemperature of gas in the expanded jet Tj
Density of gas in the expanded jet
Gravity acceleration g
Angle between the hole axis and horizontal
Angle between the hole axis and the wind vector
Unchocked Flow
Throat diameter of an imagined flow nozzle
uj
ρa
ρºg
ρj
θj
θjv
do
![Page 2: Jetfire Cone](https://reader036.vdocuments.pub/reader036/viewer/2022082403/54474e32b1af9fe9108b4df8/html5/thumbnails/2.jpg)
Effective diameter of the source
Actual Length of Flame (No wind)
Actual Length of Flame (With wind)
Angle between axis of the orifice and that of the flame
Ds
LBo
LB
α (R<0.05)α (R>0.05)
![Page 3: Jetfire Cone](https://reader036.vdocuments.pub/reader036/viewer/2022082403/54474e32b1af9fe9108b4df8/html5/thumbnails/3.jpg)
Nilai Satuan
m/sm/s
#DIV/0! -
K
#DIV/0!
9.8
º
Chocked Flow
m Gas mass flow m
Molecular weight (in kilogram)
Mach Number of the expanded jet
Absolute Atmospheric Pressure
Universal Constant of Gas
kg/m3
kg/m3
kg/m3
m/s2
Mk
Maj
Po
Rc
![Page 4: Jetfire Cone](https://reader036.vdocuments.pub/reader036/viewer/2022082403/54474e32b1af9fe9108b4df8/html5/thumbnails/4.jpg)
Ratio of the specific heats of the gas γ
Virtual source diameter of the exit hole
#DIV/0! m Effective diameter of the source
#DIV/0! m Actual Length of Flame (No wind)
#DIV/0! m Actual Length of Flame (With wind)
Angle between axis of the orifice and that o#DIV/0!#DIV/0!
dj
Ds
LBo
LB
α (R<0.05)α (R>0.05)
![Page 5: Jetfire Cone](https://reader036.vdocuments.pub/reader036/viewer/2022082403/54474e32b1af9fe9108b4df8/html5/thumbnails/5.jpg)
kg/s
kg/mol
-
J/kmol.k
N/m2
![Page 6: Jetfire Cone](https://reader036.vdocuments.pub/reader036/viewer/2022082403/54474e32b1af9fe9108b4df8/html5/thumbnails/6.jpg)
-
#DIV/0! m
#DIV/0! m
#DIV/0! m
#DIV/0! m
#DIV/0!
![Page 7: Jetfire Cone](https://reader036.vdocuments.pub/reader036/viewer/2022082403/54474e32b1af9fe9108b4df8/html5/thumbnails/7.jpg)
Gas material Propane
Keterangan Simbol
Gas Velocity of expanded jetWind Velocity vVelocity ratio R
Air density
Density of gas under std conditionTemperature of gas in the expanded jet Tj
Density of gas in the expanded jet
Gravity acceleration g
Angle between the hole axis and horizontal
Angle between the hole axis and the wind vector
KUnchocked Flow
Throat diameter of an imagined flow nozzle
uj
ρa
ρºg
ρj
θj
θjv
do
![Page 8: Jetfire Cone](https://reader036.vdocuments.pub/reader036/viewer/2022082403/54474e32b1af9fe9108b4df8/html5/thumbnails/8.jpg)
Effective diameter of the source
Actual Length of Flame (No wind)
Actual Length of Flame (With wind)
Angle between axis of the orifice and that of the flameα
Lift off Distance of the frustrum of the fire b (wind)b (no wind)
Length of Fustrum by Geometry RL
Ds
LBo
LB
α (R<0.05)α (R>0.05)
![Page 9: Jetfire Cone](https://reader036.vdocuments.pub/reader036/viewer/2022082403/54474e32b1af9fe9108b4df8/html5/thumbnails/9.jpg)
Nilai Satuan
m/sm/s
#DIV/0! -
K
#DIV/0!
9.8
º
#DIV/0!Chocked Flow
m Gas mass flow m
Molecular weight (in kilogram)
Mach Number of the expanded jet
Absolute Atmospheric Pressure
kg/m3
kg/m3
kg/m3
m/s2
Mk
Maj
Po
![Page 10: Jetfire Cone](https://reader036.vdocuments.pub/reader036/viewer/2022082403/54474e32b1af9fe9108b4df8/html5/thumbnails/10.jpg)
Universal Constant of GasRatio of the specific heats of the gas γ
Virtual source diameter of the exit hole
#DIV/0! m Effective diameter of the source
#DIV/0! m Actual Length of Flame (No wind)
#DIV/0! m Actual Length of Flame (With wind)#DIV/0!
Angle between axis of the orifice and that o#DIV/0!#DIV/0!#DIV/0! Lift off Distance of the frustrum of the fire b (wind)#DIV/0! b (no wind)#DIV/0!
Rc
dj
Ds
LBo
LB
α (R<0.05)α (R>0.05)
![Page 11: Jetfire Cone](https://reader036.vdocuments.pub/reader036/viewer/2022082403/54474e32b1af9fe9108b4df8/html5/thumbnails/11.jpg)
kg/s
kg/mol
-
N/m2
![Page 12: Jetfire Cone](https://reader036.vdocuments.pub/reader036/viewer/2022082403/54474e32b1af9fe9108b4df8/html5/thumbnails/12.jpg)
J/kmol.k-
#DIV/0! m
#DIV/0! m
#DIV/0! m
#DIV/0! m#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!