Thermodynamics Tee Junction Problem

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SUMMARY

The discussion focuses on solving the Thermodynamics Tee Junction Problem involving two methane streams entering at different conditions and mixing at a common pressure of 1 MPa. The first stream has a mass flow rate of 5 kg/s at a temperature of 400 K, while the second stream is a saturated liquid at the same pressure with a mass flow rate of 1 kg/s. The objective is to determine the temperature of the discharge stream (T3) using energy and mass balance equations.

PREREQUISITES
  • Understanding of energy balance equations in thermodynamics
  • Knowledge of mass balance principles
  • Familiarity with properties of methane at various states (saturated liquid, superheated gas)
  • Ability to calculate enthalpy for different phases of methane
NEXT STEPS
  • Study the application of energy balance in multi-stream systems
  • Learn how to calculate enthalpy for methane at different temperatures and pressures
  • Research methods for solving mass balance equations in thermodynamic problems
  • Explore the use of software tools for thermodynamic calculations, such as REFPROP or CoolProp
USEFUL FOR

This discussion is beneficial for students and professionals in chemical engineering, particularly those focusing on thermodynamics and fluid mechanics. It is also useful for anyone involved in process design and analysis of mixing operations in chemical processes.

KennedyShotABear
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Homework Statement


T junction

5 kg/s of methane enters on one side at P1 = 1 MPa, T1 = 400 K,

and 1kg/s of methane enters on the otheras a saturated liquid at P2 = 1 MPa.

The two streams are mixed and emerge at P3 = 1 MPa.

Determine the temperature of the discharge stream (T3).

Homework Equations


N/A

The Attempt at a Solution


I know I need an energy balance and mass balance. So what I have tried to do is write E°in=E°out as the sum of the mass flow times enthalpy for both inlet pipes, but I get stuck after that. Please walk me through the process.
 
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KennedyShotABear said:

Homework Statement


T junction

5 kg/s of methane enters on one side at P1 = 1 MPa, T1 = 400 K,

and 1kg/s of methane enters on the otheras a saturated liquid at P2 = 1 MPa.

The two streams are mixed and emerge at P3 = 1 MPa.

Determine the temperature of the discharge stream (T3).

Homework Equations


N/A

The Attempt at a Solution


I know I need an energy balance and mass balance. So what I have tried to do is write E°in=E°out as the sum of the mass flow times enthalpy for both inlet pipes, but I get stuck after that. Please walk me through the process.
Show us the details of what you did so far.
 

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