Water passes through a 2.5 cm (inner diameter) horizontal tube at a speed of 6.0 m/s. Water continues to flow into the part where the diameter suddenly increases. There is no device to add or remove one type of energy. If the diameter of the flow below is 5 cm, what is the change in the enthalpy of the water? What would happen if it was 10cm? What is the maximum enthalpy change due to sudden expansion of the tube? How does this change affect the temperature of the water (how many K)?
Water passes through a 2.5 cm (inner diameter) horizontal tube at a speed of 6.0 m/s. Water continues to flow into the part where the diameter suddenly increases. There is no device to add or remove one type of energy. If the diameter of the flow below is 5 cm, what is the change in the enthalpy of the water? What would happen if it was 10cm? What is the maximum enthalpy change due to sudden expansion of the tube? How does this change affect the temperature of the water (how many K)?
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Water passes through a 2.5 cm (inner diameter) horizontal tube at a speed of 6.0 m/s. Water continues to flow into the part where the diameter suddenly increases. There is no device to add or remove one type of energy. If the diameter of the flow below is 5 cm, what is the change in the enthalpy of the water? What would happen if it was 10cm? What is the maximum enthalpy change due to sudden expansion of the tube? How does this change affect the temperature of the water (how many K)?
Expert Solution
Step 1
For flow inside a channel, the energy interactions can be analyzed using the control volume approach. A steady state analysis is used for energy balance.
Mass flow in and out of the control volume, can affect the energy of a system. As a result, given a control volume conducting a process, energy conservation can be used.
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