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1 <br /> 1 <br />' S. VOLUME RATE OF CONTAMINATED AIR AT 1400 DEGREES <br />' (15, 000 SCFH) (1, 400 460) = 27, 900, 000 <br /> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> - - 14. 90 CF/SEC <br /> (3600) (60 + 460) = 1, 872, 000 <br /> 1 <br />' 6. TOTAL VOLUME RATE OF 250 CE74 OXIDIZER <br /> (7 . 14 CF/SEC) + (14 . 90 CF/SEC) = 22. 04 CF/SEC <br /> 1 <br /> 7. AREA OF OXIDIZER THROAT FOR MIXING <br /> r22 04 CUBIC FEET PER SECOND <br /> - - - - - - - - - - - - - - - - - - - - - - - - - - - = 1. 469 SQUARE FEET <br /> 15 FOOT PER SECOND VELOCITY <br /> DIAMETER = 16. 5 INCHES <br /> r <br /> r8 . AREA OF OXIDIZER CHAMBER <br /> 22 . 04 CUBIC FEET PER SECOND <br /> - - - - - - - - - - - - - - - - - - - - - - - - - - - = 2 . 204 SQUARE FEET <br /> 10 FOOT PER SECOND VELOCITY <br /> rDIAMETER = 20. 125 INCrHES <br /> 9 . LENGTH OF OXIDIZER CHAMBER <br /> 10 FEET OF LENGTH <br /> - - - - - - - - - - - - - - - - - - - - - - - - - - - = 1 SECOND RETENTION <br /> I10 FOOT PER SECOND VELOCITY <br /> i <br />