Table 3 The ratio of the constant pressure loss determined from the experimental tests carried out (Δploss/Δp) for segmented orifices (γ′ = 90°) and inclined segmental orifices (γ′ = 60°).
Tested orifice | m = 0.102 | =. | m = 0.470 | |||
|---|---|---|---|---|---|---|
Re [–] | Δploss/Δp [–] | Re [–] | Δploss/Δp [–] | Re [–] | Δploss/Δp [–] | |
Segmental orifice γ′ = 90° | 4179 | 0.8668 | 4259 | 0.5436 | 4293 | 0.2763 |
6316 | 0.8766 | 6476 | 0.6494 | 6513 | 0.4224 | |
8451 | 0.8787 | 8909 | 0.6882 | 8885 | 0.4785 | |
10054 | 0.8784 | 10,764 | 0.6961 | 10818 | 0.4839 | |
11556 | 0.8796 | 12728 | 0.6969 | 12709 | 0.4927 | |
12456 | 0.8798 | 13793 | 0.7067 | 13571 | 0.4981 | |
13460 | 0.8802 | 14760 | 0.7041 | 14,718 | 0.4992 | |
14320 | 0.8809 | 15717 | 0.7104 | 15,562 | 0.5055 | |
15058 | 0.8812 | 16501 | 0.7132 | 16,391 | 0.5007 | |
15871 | 0.8820 | 17426 | 0.7129 | 17,275 | 0.5098 | |
16474 | 0.8838 | 18163 | 0.7124 | 17,977 | 0.5099 | |
Segmental orifice γ′ = 60° | 4107 | 0.8536 | 4172 | 0.5102 | 4308 | 0.3208 |
5569 | 0.8671 | 6434 | 0.6368 | 6530 | 0.3816 | |
8250 | 0.8702 | 8561 | 0.6516 | 8942 | 0.4465 | |
9823 | 0.8693 | 10,593 | 0.6623 | 10,877 | 0.4718 | |
11,347 | 0.8681 | 12,460 | 0.6779 | 12,857 | 0.4659 | |
12,212 | 0.8692 | 13,451 | 0.6744 | 13,818 | 0.4664 | |
13,041 | 0.8702 | 14,436 | 0.6847 | 14,885 | 0.4808 | |
13,844 | 0.8697 | 15,388 | 0.6886 | 15,716 | 0.4776 | |
14,576 | 0.8697 | 16,255 | 0.6931 | 16,545 | 0.4775 | |
15,255 | 0.8708 | 17,166 | 0.6933 | 17,463 | 0.4834 | |
15,952 | 0.8698 | 17,878 | 0.6967 | 18,190 | 0.4812 | |