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110年 - 110 國立臺灣大學_碩士班招生考試_部分系所:輸送現象及單元操作#101948
> 申論題
Probiem 3 (3 points) What is cavitation? Why cavitation will occur in centrifugal pumps and not in displacement pumps?
相關申論題
Problem4(2 points) The x component of velocity is a steady, incompressible flow field in the xy plane is u = Ax, where A = 2 m2/s, and x is measured in meters. Find the simplest y component of velocity for this flow field.
#428055
(a) What is the void fraction (ε) of the packed bed? (3 pts)
#428058
(b) What is the pressure drop across the packed bed? (6 pts)
#428059
(c) What is the water level of the brine inlet above the top of the brine outilet (H)? (6 pts)
#428060
(1) Simplify the equations of change in cylindrical coordinates by deleting the zero or neglectable items. (5 points)
#428061
(2) Write down the boundary conditions. (5 points) Equation of continuity: Equation of motion:
#428062
(a) Take the hemisphere transistor as your control volume, and determine the reduced heat equation.(5 pt)
#428063
(b) Determine the boundary conditions. (5 pt)
#428064
(c) Solve the equation from (a) and use the boundary conditions to obtain a general expression for the substrate temperature distribution. (3 pt)
#428065
(d) Obtain the general expression of heat rate. (2 pt)
#428066
相關試卷
110年 - 110 國立臺灣大學_碩士班招生考試_部分系所:輸送現象及單元操作#101948
110年 · #101948
109年 - 109 國立臺灣大學_碩士班招生考試_化學工程學研究所:輸送現象及單元操作#106060
109年 · #106060
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