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°).

From: Determination of the constant pressure loss for a new segmented orifice with an inclined inflow plane

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