Stoichiometric ratio calculation for JP 5000 |
05-15-2013, 05:32 PM
Post: #1
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Dear Technocrats
I am working on HVOF sprayed coatings, especially using JP-5000 torch. I have read that to decrease the particle temperature at roughly constant velocity, stoichiometry is shifted to higher side. I would like to calculate the stoichiometric ratio for following Fuel and oxygen flow rates : 1) Kerosene - 18 slph , Oxygen 1700 scfh. 2) Kerosene- 20 slph, oxygen 1900 scfh. 3) kerosene- 22 slph, oxygen 2100 scfh Please anyone help me. I really need to understand this term. ![]() regards | |||
05-15-2013, 08:48 PM
Post: #2
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RE: Stoichiometric ratio calculation for JP 5000
1 SCFH = 0.4381 NLPM.
1700 scfh is 12.41 NLPH | |||
05-16-2013, 04:59 AM
Post: #3
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RE: Stoichiometric ratio calculation for JP 5000
(05-15-2013 08:48 PM)derek Wrote: 1 SCFH = 0.4381 NLPM. THANKS FOR REPLY DEREK, What is the relation between SLPH and NLPH ? I have seen in one thread (by author Metallurgy_eng) of this forum that JP-5000 manufacturer have designated O2= 800 slpm and fuel = 20 lph combination to lambada=1 (o2/fuel). Please throw some light on this point also. regards | |||
06-13-2013, 07:33 PM
Post: #4
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RE: Stoichiometric ratio calculation for JP 5000
TAFA has 275 scfh of O2 to one gallon of kero
or 2056 liters to 1 liter kero I think most use 2.118 for the nlpm to scfh conversion. nplm is metric and 0*C at 1 atm slpm is 21*C at 1 atm - usually... it can be 20*C as well | |||
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