Results 91 to 100 of about 34,786 (228)
FORTRAN program for calculating axial turbomachinery blade coordinates [PDF]
FORTRAN program for calculating axial turbomachinery blade ...
Katsanis, T.
core +1 more source
Aerodynamic stiffness of an unbound eccentric whirling centrifugal impeller with an infinite number of blades [PDF]
, 1982 An unbounded eccentric centrifugal impeller with an infinite number of log spiral blades undergoing synchronous whirling in an incompressible fluid is considered.
Allaire, P. E. +2 more
core +1 more source
Noise from turbomachinery [PDF]
A review is made of turbomachinery noise from turbofan engines as typified by fan noise. The mechanisms and theories of fan noise are reviewed and concepts for its reduction, including acoustic suppression are discussed. Correlations of the overall noise
Conrad, E. W., Feiler, C. E.
core +1 more source
A model for closing the inviscid form of the average-passage equation system [PDF]
A mathematical model is proposed for closing or mathematically completing the system of equations which describes the time average flow field through the blade passages of multistage turbomachinery.
Adamczyk, J. J. +2 more
core +1 more source
Numerical method for modeling of acoustic waves propagation
Archives of Acoustics, 2013 In this paper, numerical results of modeling of acoustic waves propagation are presented. For calculation of the acoustic fluctuations, a solution of the full non-linear Euler equation is used.
Sławomir DYKAS +3 more
doaj
Advanced propulsion concepts for orbital transfer vehicles [PDF]
Studies of the United States Space Transportation System show that in the mid-to-late 1990s expanded capabilities for Orbital Transfer Vehicles (OTV) will be needed to meet increased payload requirements for transporting materials and possible men to ...
Cooper, L. P.
core +1 more source
The service life of the Space Shuttle Main Engine (SSME) turbomachinery bearings was a predominant factor in engine durability and maintenance problems.
core +1 more source
The design and performance estimates for the propulsion module for the booster of a TSTO vehicle [PDF]
A NASA study of the propulsion systems for possible low-risk replacements for the Space Shuttle is presented. Results of preliminary studies to define the USAF two-stage-to-orbit (TSTO) concept to deliver 10,000 pounds to low polar orbit are described ...
Maldonado, Jaime J. +1 more
core +1 more source
Turbomachinery technology for high-speed civil flight [PDF]
NASA Lewis' research and technology efforts applicable to turbomachinery for high-speed flight are discussed. The potential benefits and cycle requirements for advanced variable cycle engines and the supersonic throughflow fan engine for a high-speed ...
Glassman, Arthur J., Saunders, Neal T.
core +1 more source
Simulation of turbomachinery flows [PDF]
With the interest in jet propulsion at the end of World War II, aerodynamicists were challenged to develop mathematical models which could be used to design turbomachinery components for jets.
Adamczyk, John J.
core +1 more source