Steady flow energy equation thermodynamics | Steady flow processes thermodynamics | SFEE

Описание: Steady flow energy equation thermodynamics | Steady flow processes thermodynamics | SFEE

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Hello viewers, I am Dr. Amit Mandal and today I am posting this lecture for easy understanding of a science/engineering topic i.e., steady flow energy equation (SFEE). The steady flow energy equation is a mathematical expression of the first law of thermodynamics applied to a steady-flow system. It states that the total energy entering a steady-flow system must equal the total energy leaving the system, plus any work done by the system or heat added to the system.

The steady flow energy equation can be written in several different forms, but the most common form is:

h1 + (1/2)(v1)^2 + gz1 + q = h2 + (1/2)(v2)^2 + gz2 + w
where:

h is the enthalpy (specific energy) of the fluid (J/kg)
v is the velocity of the fluid (m/s)
g is the acceleration due to gravity (9.81 m/s^2)
z is the elevation of the fluid (m)
q is the heat added to the system (J/kg)
w is the work done by the system (J/kg)
The subscripts 1 and 2 refer to the inlet and outlet of the system, respectively.

The steady flow energy equation can be used to analyze a wide variety of engineering devices, such as turbines, compressors, pumps, and heat exchangers. It is also used in the design and analysis of power plants, refrigeration systems, and air conditioning systems.

Here are some examples of how the steady flow energy equation can be used:

To calculate the work done by a turbine
To calculate the power required to run a compressor
To calculate the heat exchanger capacity
To determine the efficiency of a power plant
To design a refrigeration system
The steady flow energy equation is a powerful tool for engineers and scientists, and it is used in many different ways to solve real-world problems.
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