Question

Determine the hydraulic diameter for the flow cross-sections shown below [2.4 m; 4.0 m; 3.0 m; 2.36 m) l o ow bates DEMO 1.5 m messo SO 1.75 m aw / 2 m 3 monaste bwo(b) S lupistool(a) outyds ni b niso o ozib oldi o orld- more priloo 3 lenne 3 m dia. 1.85 m or novos W 1.65 m DE 910 DES 02- 1 1.85 m NO (d)

Answer 1

Hudoaulic diameter Dha 4 Ags Acis - cross sectional area p: weted perimeters. 1.5m r 2 m - Reactangulat channel Aels: by hi 2x1.5 Acis : 3 m2 2+2x1.5 po brzh: po 5 m

Ph : 1 คน 42 - 2 | Dh: 2.4 ) 6) | ) 3. 660 ° 1 - - 3 1-6 - 9 50 | 7 1. ตร N * +qn66 : :ๆร 6 ค | 0 10 75 tango T 24 + 3 - S: 6 2 : 2 x- 06 43 : n

As ho byt) 2 A: 1.757 (3+5.02) A = 9.0175 m2 P: 5+2 [[_7-b27+62] 537271 Cozy lins] 10 p. 7.041 m Dhe UXAC, 4x7.0175 the t. 7ou1 'bh: 3.99 m ş aml ans.

3m dia всіѕ : 3* . Р. пуд, піз: Бh - ЧАС . уу 3- 3 ) - ; Ph: 3 а ) 1. 85 ) у Е). gsm -

Dha 4xlbxh) el (b+ 2h) Dhe U4/1.854 1.65) (1.854 2x1.65) -- - lohe 2.360 mi ans,