meridian component of the flow velocity is kept constant by its passage through you praise them It is requested: 1. Evaluate the energy per unit of theoretical mass transferred to the fluid. 2. Draw Euler's triangles. 3. Determine the equation of the guide vanes constructed in the form of a logarithmic spiral r=R3-etag a3-o (r and o in polar coordinates). A centrifugal pump has the following characteristics: inlet diameter D1 = 120 mm outlet diameter D2 = 240 mm impeller outlet width b2 = 22 mm impeller inlet width b1 = 28 mm guide ring entry diameter D3 = D2 exit diameter guide ring D4 = 360 mm width of guide crown (63) constant and greater than 5% of impeller outlet width. Design point: lifting height H = 70 msa flow rate Q = 301/S drive speed n = 2850 rpm Hypothesis mechanical performance nm = 1 volumetric efficiency nx = 1 hydraulic performance nh=0.85 work reduction factor ez = 0.87 losses in the guide crown = 25% of the recoverable energy in it losses in the runner = 7% of the effective height radial input Corona b . Rodete b D D D 1 meridian component of the flow velocity is kept constant by its passage through you praise them It is requested: 1. Evaluate the energy per unit of theoretical mass transferred to the fluid. 2. Draw Euler's triangles. 3. Determine the equation of the guide vanes constructed in the form of a logarithmic spiral r=R3-etag a3-o (r and o in polar coordinates). A centrifugal pump has the following characteristics: inlet diameter D1 = 120 mm outlet diameter D2 = 240 mm impeller outlet width b2 = 22 mm impeller inlet width b1 = 28 mm guide ring entry diameter D3 = D2 exit diameter guide ring D4 = 360 mm width of guide crown (63) constant and greater than 5% of impeller outlet width. Design point: lifting height H = 70 msa flow rate Q = 301/S drive speed n = 2850 rpm Hypothesis mechanical performance nm = 1 volumetric efficiency nx = 1 hydraulic performance nh=0.85 work reduction factor ez = 0.87 losses in the guide crown = 25% of the recoverable energy in it losses in the runner = 7% of the effective height radial input Corona b . Rodete b D D D 1