VESTNIK of Samara University. Aerospace and Mechanical EngineeringVESTNIK of Samara University. Aerospace and Mechanical Engineering2542-04532541-7533Samara National Research University63510.18287/2541-7533-2009-0-1(17)-69-78UnknownApprobation of the numerical model of account of viscosity impact on the flow in low-thrust rocket engine nozzles in the approximation of a laminar boundary layer with slidingShustovS. A.vest@ssau.ruSamara State Aerospace University1803200981697805062014Copyright © 2015, VESTNIK of the Samara State Aerospace University2015<p>The paper outlines the results of approbation of the numerical model developed in [1] of the account of viscosity impact on the flow in low-thrust rocket engine nozzles in the approximation of a laminar boundary layer with sliding by comparing the results of calculations according to the model both with the experimental results and with the results of calculations using a model of a higher level (shortened Navier-Stokes equations in the approximation of a narrow channel).</p>Laval nozzleReynolds numberexperimentnumerical calculationdimensionless density profileMach number profileconsumption factornozzle specific impulse loss factorСопло Лавалячисло Рейнольдсаэкспериментчисленный расчетпрофиль безразмерной плотностипрофиль числа Махакоэффициент расходакоэффициент потерь удельного импульса сопла