The steam engine and turbine; a text-book for engineering colleges (1911)
Heck, Robert Culbertson Hays, 1870- · New York, D. Van Nostrand company · leaf 136
se to calculate the flow of steam throughan orifice,, is P- (106) / = 70 in which a is area of orifice in square inches, p is initial absolute pressure(our pi), and / is the weight of steam discharged per second. Thisformula holds if the low-side or terminal pressure p2 is not greater than0.6 pi —… … 0.6 0.4 02 0.8 P/P^ Fig. 64. — Comparison of Jet Areas. Similar to Fig. 63 in general scheme. The curves on base MN, to scale at right,show departure of jets from true similarity: see § 16 (g). The curve ABC-EBFis the Napier divisor D, to the scale at the left, and with the scale of…
Steam-engines · Steam-turbines
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