1. A cold stream flows on a farm at a nearly constant temperature of 50F during...
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1. A cold stream flows on a farm at a nearly constant temperature of 50°F during the summer. You would like to use the warm air of summer at 90°F (32.2°C) to create a thermal engine using the hot air and cold water streams. a) Explain in your words and one short sentence how you could use these two fluids to create power (which cycle could you use that is realistic)? b) Can you sketch the process diagram (which components are needed and how are they connected e.g. pump, evaporator, etc) for your system described in a) c) Find the minimum mass flow rate of hot air needed to produce 4kW for a change of temperature of 5°C for the hot air (your energy input) Use C₂ = 1000J/kgk for air and recall the following: ncarnot T₁ =1-1 TH " nactual W (mCpAT) Hot 1. A cold stream flows on a farm at a nearly constant temperature of 50°F during the summer. You would like to use the warm air of summer at 90°F (32.2°C) to create a thermal engine using the hot air and cold water streams. a) Explain in your words and one short sentence how you could use these two fluids to create power (which cycle could you use that is realistic)? b) Can you sketch the process diagram (which components are needed and how are they connected e.g. pump, evaporator, etc) for your system described in a) c) Find the minimum mass flow rate of hot air needed to produce 4kW for a change of temperature of 5°C for the hot air (your energy input) Use C₂ = 1000J/kgk for air and recall the following: ncarnot T₁ =1-1 TH " nactual W (mCpAT) Hot
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Related Book For
Microeconomics
ISBN: 978-1464187025
2nd edition
Authors: Austan Goolsbee, Steven Levitt, Chad Syverson
Posted Date:
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