Water Flows Through a 5 Cm Diameter Pipe at the Focus

question 4

Essay

Water flows through a 5 cm diameter pipe at the focus of a 2 m wide parabolic trough reflector that is 5 m long at a rate of 0.2 L/s. If the insolation is 500 W/m² and all of the solar energy is converted into heat, what is the increase in the temperature of the water after it has traversed the length of the reflector?

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Definitions:

Internal Rate of Return

The discount rate that makes the net present value of all cash flows from a particular project equal to zero.

Cash Flows

The sum of funds flowing in and out of a company, impacting its ability to cover short-term obligations.

Initial Cost

The total of all expenses incurred to acquire an asset or investment, including purchase price and all related fees.

Average Accounting Rate of Return

A financial ratio that measures the expected return on an investment based on its net income and initial cost.