A digest of the rules for the design of condensers and air pumps . cal value. TABLE VIn = Vacuum[n. of Hg. i 2 3 4 5 6 10 1J 30 R 30 15 10 7 ^ 6 5 3 2 1 k -0,206 TABLE VIIn ? Vacuumin. of Hg. 1 Cj 4 5 6 10 15 30 R 30 15 10 7 5 6 5 3 2 1 k 4, Using a clearance of 3 per cent, which is common practice, the valueof the work W was calculated for various degr es of vacuum. These results areshown in Tables VIII and IX and in Fig. 9 and 10, TABLE VIIIn = 1. 3 VacuumIn. of Hg. 1 2 4 5 6
A digest of the rules for the design of condensers and air pumps . cal value. TABLE VIn = Vacuum[n. of Hg. i 2 3 4 5 6 10 1J 30 R 30 15 10 7 ^ 6 5 3 2 1 k -0,206 TABLE VIIn ? Vacuumin. of Hg. 1 Cj 4 5 6 10 15 30 R 30 15 10 7 5 6 5 3 2 1 k 4, Using a clearance of 3 per cent, which is common practice, the valueof the work W was calculated for various degr es of vacuum. These results areshown in Tables VIII and IX and in Fig. 9 and 10, TABLE VIIIn = 1. 3 VacuumIn. of Hg. 1 2 4 5 6 10 15 30 R 30 IS 10 6 5 3 O Cj 1 w 0 29. TABLE IXn = 1,4 VacuumIn. of Hp. 1 2 3 4 5 6 10 15 30 R 30 15 10 6 5 3 2 1 W 0, 646 0,9^2 1 041 1,23 1,093 0 The maximum amount of work is obtained from 19 to 20 inches vacuum,It is to be observed, however, that the degree of vacuum most desirable for thepump is not that which gives the greatest efficiency for the unit which is thedeciding U. OF I. 3- ». FORM 1
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecttheses, bookyear1912
