def geometry(RHT, one, two, thr, mdot, R, gamma, cp): # def f_geometry(geometry, one, two, thr, mdot, R, gamma, cp): # blade geometry at 2 blade_geometry(mdot, two.rho, two.vel.Vx, RHT, two) two.geo.c = two.geo.h / two.geo.hc two.geo.bx, two.geo.phi = axial_chord(two.geo.c, one.alpha, two.alpha) # rotational velocity two.vel.Omega = two.vel.U / two.geo.Rm two.vel.RPM = RPM(two.vel.Omega) # massflow and characteristics at inlet one.rho0 = static_density(one.P0, one.T0, R) # = one.P0/one.T0/R one.rho, one.vel.V, one.geo.A = solve_rhox( 0.9999 * one.rho0, one.rho0, one.T0, mdot, two.geo.A, gamma, cp) # iteraciones hasta converger one.vel.Vx = one.vel.V one.T = one.T0 - one.vel.V**2 / 2 / cp one.P = T2P( one.P0, one.T, one.T0, gamma) # = one.P0*(one.T/one.T0)**(gamma/(gamma-1)) # isentropic one.vel.a, one.vel.M = sonic(gamma, R, one.T, one.vel.V) # blade geometry at 1 blade_geometry(mdot, one.rho, one.vel.V, RHT, one) # blade geometry at 3 # what thr.geo.A = mdot / thr.vel.Vx / thr.rho thr.geo.h = thr.geo.A / np.pi / 2 / two.geo.Rm thr.geo.Rt = two.geo.Rm + thr.geo.h / 2 thr.geo.Dm = thr.geo.Rt * 2 - thr.geo.h thr.geo.Rm = thr.geo.Dm / 2 thr.geo.c = thr.geo.h / thr.geo.hc thr.geo.bx, thr.geo.phi = axial_chord(thr.geo.c, thr.alpha, thr.alpha) thr.geo.Rh = thr.geo.Rt - thr.geo.h thr.vel.Omega = thr.vel.U / thr.geo.Rm thr.vel.RPM = RPM(thr.vel.Omega) # compute pitch with soderberg/zweiffel two.geo.s = pitch(0.6, one.alpha, two.alpha, one.vel.Vx, two.vel.Vx, one.P0, two.P0, one.geo.h, two.geo.h, two.geo.c) thr.geo.s = pitch(0.8, two.beta, thr.beta, two.vel.Wx, thr.vel.Wx, two.P0r, thr.P0r, two.geo.h, thr.geo.h, thr.geo.c)
# blade geometry at 2 two.geo.Rt, two.geo.Rh, two.geo.h, two.geo.Rm, two.geo.Dm, A2 = f.blade_geometry(mdot, two.rho, two.vel.Vx, RHT) # rotational velocity two.vel.Omega = two.vel.U/two.geo.Rm two.vel.RPM = f.RPM(two.vel.Omega) # massflow and characteristics at inlet one.rho0 = f.static_density(one.P0, one.T0, R) # = one.P0/one.T0/R one.rho = solve_rhox(0.9999*one.rho0, one.rho0, one.T0, mdot, A2, gamma, cp) # iteraciones hasta converger one.vel.V = np.sqrt(2*cp*one.T0*(1-(one.rho/one.rho0)**(gamma-1))) one.T = one.T0 - one.vel.V**2/2/cp one.P = f.T2P(one.P0, one.T, one.T0, gamma) # = one.P0*(one.T/one.T0)**(gamma/(gamma-1)) # isentropic one.vel.a, one.vel.M = f.sonic(gamma, R, one.T, one.vel.V) one.geo.A = mdot/one.rho/one.vel.V # blade geometry at 1 one.geo.Rt, one.geo.Rh, one.geo.h, one.geo.Rm, one.geo.Dm, one.geo.A = f.blade_geometry(mdot, one.rho, one.vel.V, RHT) # blade geometry at 3 ########## NO ENTIENDO NADAAAAA thr.geo.A = mdot/thr.vel.Vx/thr.rho thr.geo.h = thr.geo.A/np.pi/2/two.geo.Rm thr.geo.Rt = two.geo.Rm+thr.geo.h/2 thr.geo.Dm = thr.geo.Rt*2 - thr.geo.h