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(a) In a duct enlargement, the velocity reduces from 20 to 5 m/s. (i) If it is a 20°-angle gradual enlargement, the pressure loss is given by App = 0.45 ( pv,- Pv,) Calculate the static regain. (ii) What will be the static regain in an abrupt enlargement?

(a) In a duct enlargement, the velocity reduces from 20 to 5 m/s. (i) If it is a 20°-angle gradual enlargement, the pressure loss is given by App = 0.45 ( pv,- Pv,) Calculate the static regain. (ii) What will be the static regain in an abrupt enlargement?

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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This is cryogenic subject question and i want ees code for the same as solution. 

(a) In a duct enlargement, the velocity reduces from 20 to 5 m/s. (i) If it is a 20°-angle gradual enlargement, the pressure loss is given by App = 0.45 ( pv, – Pv,) Calculate the static regain. (ii) What will be the static regain in an abrupt enlargement? (b) A 10 cm diameter duct converges gradually to 7.5 cm diameter. The static pressure and velocity just upstream of the reducer are 3 cm H,0 and 7.6 m/s respectively. The dynamic loss coefficient of the reducer is 0.1. Calculate: (i) The flow rate. (ii) The pressure loss in the reducer. (iii) The pressure indicated by a U-tube water manometer connected to pressure tappings at the upstream and downstream of the reducer.
Transcribed Image Text:(a) In a duct enlargement, the velocity reduces from 20 to 5 m/s. (i) If it is a 20°-angle gradual enlargement, the pressure loss is given by App = 0.45 ( pv, – Pv,) Calculate the static regain. (ii) What will be the static regain in an abrupt enlargement? (b) A 10 cm diameter duct converges gradually to 7.5 cm diameter. The static pressure and velocity just upstream of the reducer are 3 cm H,0 and 7.6 m/s respectively. The dynamic loss coefficient of the reducer is 0.1. Calculate: (i) The flow rate. (ii) The pressure loss in the reducer. (iii) The pressure indicated by a U-tube water manometer connected to pressure tappings at the upstream and downstream of the reducer.
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