Experiments on an existing pump (A) yield the following BEP data: D_A = 10.0 cm, H_A = 210 cm, V̇_A = 1350 cm³/s, ρ_A = 998.0 kg/m³, ṅ_A = 1500 rpm, η_{pump, A} = 87 percent. You are to design a new pump (B) that has the following requirements: ρ_B = 998.0 kg/m³, H_B = 570 cm, and V̇_B = 3670 cm³/s. Apply the computer program you developed in Prob. 14–153 to calculate DB (cm), ṅ_B (rpm), and bhp_B (W). Also calculate the pump specific speed. What kind of pump is this (most likely)?

Data from Problem 14–153

Develop a general-purpose computer application (using EES or other software) that employs the affinity laws to design a new pump (B) that is dynamically similar to a given pump (A). The inputs for pump A are diameter, net head, capacity, density, rotational speed, and pump efficiency. The inputs for pump B are density (ρ_B may differ from ρ_A), desired net head, and desired capacity. The outputs for pump B are diameter, rotational speed, and required shaft power. Test your program using the following inputs: D_A = 5.0 cm, H_A = 120 cm, V̇_A = 400 cm³/s, ρ_A = 998.0 kg/m³, ṅ_A = 1725 rpm, η_{pump, A} = 81 percent, ρ_B = 1226 kg/m³, H_B = 450 cm, and V̇_B = 2400 cm³/s. Verify your results manually.