kg/s from State A (saturated vapor at TA = Design and analyze a steady process to...
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kg/s from State A (saturated vapor at TA = Design and analyze a steady process to take a stream of water with mass flow rate m = 2 70 °C and absolute pressure PA = 3.12×104 Pa) to State B (liquid at TB 70 °C and absolute pressure PB 2 x 105 Pa) using any two of the following components: a valve, a condenser, and an ideal (meaning reversible and adiabatic) pump. You can look up relevant properties of water; note that latent heat hfg and density p vary with temperature, so calculators like this one can be helpful. You can list and use reasonable simplifying assumptions such as we used in the last homework (e.g., that a condenser has negligible pressure drop and low kinetic energy) and assume liquid water is incompressible. = = (a) Which two components would you choose? Which would you have the fluid flow through first? (b) What is the intermediate temperature, pressure, and phase of the water as it passes out of the first component and into the next? (c) What would be the heat transfer rate to and shaft work transfer rate from the water as it flows through each component? Please show your work, state relevant assumptions, and report both symbolic answers (using the variables named above; if something is zero, your symbolic answer can just be 0) and numerical values with units. You may organize your final answers using the following table or just make sure to report all of the same info in your solution. I will be looking for both reasonable answers and a clear demonstration of your thought process using the open-systems First Law of Thermodynamics. kg/s from State A (saturated vapor at TA = Design and analyze a steady process to take a stream of water with mass flow rate m = 2 70 °C and absolute pressure PA = 3.12×104 Pa) to State B (liquid at TB 70 °C and absolute pressure PB 2 x 105 Pa) using any two of the following components: a valve, a condenser, and an ideal (meaning reversible and adiabatic) pump. You can look up relevant properties of water; note that latent heat hfg and density p vary with temperature, so calculators like this one can be helpful. You can list and use reasonable simplifying assumptions such as we used in the last homework (e.g., that a condenser has negligible pressure drop and low kinetic energy) and assume liquid water is incompressible. = = (a) Which two components would you choose? Which would you have the fluid flow through first? (b) What is the intermediate temperature, pressure, and phase of the water as it passes out of the first component and into the next? (c) What would be the heat transfer rate to and shaft work transfer rate from the water as it flows through each component? Please show your work, state relevant assumptions, and report both symbolic answers (using the variables named above; if something is zero, your symbolic answer can just be 0) and numerical values with units. You may organize your final answers using the following table or just make sure to report all of the same info in your solution. I will be looking for both reasonable answers and a clear demonstration of your thought process using the open-systems First Law of Thermodynamics. kg/s from State A (saturated vapor at TA = Design and analyze a steady process to take a stream of water with mass flow rate m = 2 70 °C and absolute pressure PA = 3.12×104 Pa) to State B (liquid at TB 70 °C and absolute pressure PB 2 x 105 Pa) using any two of the following components: a valve, a condenser, and an ideal (meaning reversible and adiabatic) pump. You can look up relevant properties of water; note that latent heat hfg and density p vary with temperature, so calculators like this one can be helpful. You can list and use reasonable simplifying assumptions such as we used in the last homework (e.g., that a condenser has negligible pressure drop and low kinetic energy) and assume liquid water is incompressible. = = (a) Which two components would you choose? Which would you have the fluid flow through first? (b) What is the intermediate temperature, pressure, and phase of the water as it passes out of the first component and into the next? (c) What would be the heat transfer rate to and shaft work transfer rate from the water as it flows through each component? Please show your work, state relevant assumptions, and report both symbolic answers (using the variables named above; if something is zero, your symbolic answer can just be 0) and numerical values with units. You may organize your final answers using the following table or just make sure to report all of the same info in your solution. I will be looking for both reasonable answers and a clear demonstration of your thought process using the open-systems First Law of Thermodynamics.
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a I would choose a condenser followed by an ideal pump The condenser would be first t... View the full answer
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