Misagh Irandoostshahrestani

2 Questions 4 Answers 0 Followers

Questions related from Misagh Irandoostshahrestani

What`s the relation between head, power, discharge (H-P-Q) of parallel pumps in a solar PV system?

Dear all, I want to design a photovoltaic water pumping system with PV nominal power of 4000 W. I want to evaluate my code with Grundfos 25 SQF-7 pump. This pump has maximum nominal power of 1.4...

21 December 2023 1,730 0 View

R_b; How to calculate 'geometric factor' for direct normal irradiation (DNI)?

Dear all, In calculating the geometric factor (R_b) for direct normal irradiation (DNI) at hour angles near sunrise and sunhour, I face with unrealistic extremely high values for R_b. This can...

14 December 2023 7,697 6 View