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Engineering and Tech / Fundamentals of Thermodynamcs 8 / Chapter 4 / Problem 107HP

Fundamentals of Thermodynamcs | 8th Edition | ISBN: 9781118131992 | Authors: Claus Borgnakke, Richard E. Sonntag

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Mixing ProcessesAn open feedwater heater in a power plant

Chapter 4, Problem 107HP

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Problem 107HP

Mixing Processes

An open feedwater heater in a power plant heats 4 kg/s water at 45°C, 100 kPa by mixing it with steam from the turbine at 100 kPa, 250°C, as in Fig. P4.107. Assume the exit flow is saturated liquid at the given pressure and find the mass flow rate from the turbine.

FIGURE P4.107

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QUESTION:

Problem 107HP

Mixing Processes

An open feedwater heater in a power plant heats 4 kg/s water at 45°C, 100 kPa by mixing it with steam from the turbine at 100 kPa, 250°C, as in Fig. P4.107. Assume the exit flow is saturated liquid at the given pressure and find the mass flow rate from the turbine.

FIGURE P4.107

ANSWER:

Solution 107 HP

Step 1 of 5

To find the mass flow rate from the turbine.

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