Problem 1: Repeat Example 3 of Lecture 7 for internal pipe diameter of 48 mm and T= 25C (all else being equal) and calculate the maximum capacity of the pump before cavitation occurs. 1. 2. 3. 4. Plot the graph of the NPSH required Plot the graph of NPSH at T=25 and Din 48 mm Compare the maximum capacity with results at Din=24 mm and comment on the result. Submit the excel file and the word file, the file name example: Group1_HW4.docx and Group1_HW4.xlsx T Water density Water viscosity P,(25C) Din pipe Lpipe Z E K (Elbow) K (entry) 25C 997 kg/m 8.91104 Pas 3.169 x10 Pa 48 mm 2.8 m 2.2 m 0 0.3 (Selbow 90 regular) 0.85 sharp-edged inlet

Problem 1: Repeat Example 3 of Lecture 7 for internal pipe diameter of 48mm and T=25C (all else being equal) and calculate the maximum capacity of the pump before cavitation occurs. 1. Plot the graph of the NPSHrowime 2. Plot the graph of NPSH at T=25 and Din=48mm 3. Compare the maximum capacity with results at Din=24mm and comment on the result. 4. Submit the excel file and the word file, the file name example: Groupl_HW4.docx and Groupl_HW4.xIsx