- #1
Amr719
- 31
- 0
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SUMMARY
The discussion centers on the equation P=m(h_2-h_1) and the terms "m_dot" and "Q_out." Participants emphasize the necessity of defining these variables to fully understand the equation's context and application. The lack of clarity regarding "m_dot" and "Q_out" hinders effective analysis and interpretation of the equation. Clear definitions are crucial for accurate comprehension in thermodynamics and fluid mechanics.
PREREQUISITES- Understanding of thermodynamic principles, specifically the first law of thermodynamics.
- Familiarity with fluid mechanics concepts, including mass flow rate and energy transfer.
- Knowledge of specific terms such as "enthalpy" and "heat transfer."
- Basic mathematical skills for manipulating equations and understanding variables.
- Research the definition and application of "m_dot" in thermodynamic equations.
- Explore the concept of "Q_out" and its significance in energy balance calculations.
- Study the first law of thermodynamics and its implications in practical scenarios.
- Learn how to derive and manipulate equations in fluid mechanics for better problem-solving.
Students and professionals in engineering fields, particularly those focusing on thermodynamics and fluid mechanics, will benefit from this discussion.
- #2
Amr719
- 31
- 0
Can someone tell me why he wrote m_dot*Q_out ? the equation given is P=m(h_2-h_1)
- #3
HallsofIvy
Science Advisor
Homework Helper
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- 983
It's impossible to answer that without knowing what such things as "m_dot" and "Q-out" mean. And that is given nowhere in what you have copied here.