State the Steady Flow Energy Equation and state what form of energy each termrepresents.
Question
State the Steady Flow Energy Equation and state what form of energy each term represents.
Solution
The Steady Flow Energy Equation (SFEE) is a fundamental equation in thermodynamics and is given by:
Q - W = ΔH + ΔE_k + ΔE_p
where:
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Q represents the heat energy added to the system. It is the energy transferred from a hotter body to a colder one.
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W represents the work done by the system. It is the energy transferred by a force and is usually mechanical energy.
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ΔH represents the change in enthalpy of the system. Enthalpy is the total energy of a thermodynamic system. It includes the internal energy, which is the energy required to create a system, and the amount of energy required to make room for it by displacing its environment and establishing its volume and pressure.
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ΔE_k represents the change in kinetic energy of the system. Kinetic energy is the energy of motion.
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ΔE_p represents the change in potential energy of the system. Potential energy is the energy stored by an object as a result of its position relative to other objects, stresses within itself, its electric charge, or other factors.
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