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Effect of orifice length-diameter ratio on the coefficient of discharge of fuel-injection nozzles (1931)
NASA Technical Reports Server (NTRS) · leaf 19
I.A.C.A Technical lot* Io.369 Figs.6.7 1.00 .80 & 3 o ••60 3 c 75.40 • 1/2 length-diameter ratio %H 1 Vl 2 €> O 3 o 4 6 .20 8 © 10 0 1000 3000 3000 4000 5000 Injection pressure, lb./sq.in. Fig.6 Coefficient of discharge variation with injection pressure. 0.008 inch orifice assembled with straight… … Fig.7 Coefficient of discharge corrected for friction losses. 0.008 inch orifice assembled with straight passage. Atmospheric back pressure. Corrected for friction losses above L/D = 3.NASA Technical Reports Server (NTRS)
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