+ Visit NASA.gov + Contact NASA   + Home Select Search Field * All Report - Patent Number Abstract *Accession Number *NASA Center *Author NameDocument IDKeywordsPublication Date *Title * Find Results With All of the words At least one of the words Enter Search Term  within returned results    Search Tips: Use only the fields with * to search NIX collection. Enclose terms in double quotation marks (") to search for exact phrases, ie: "space shuttle". NOTE: Commas and dashes are removed from search term by search engine. Select Reset Search button to start a new search. See Help for more tips. + NASA Center + Publication Year + Subject + Availability Options + Item/Media Type Selected Navigations: Author > Rai, Man Mohan [x] Sort results by: NASA Center | Date Added to NTRS | Publication Year There are a total of 34 record(s) matching your query. Sorted by: Date Added To NTRS in Descending order 1 2 3 4 Next  A Rapid Aerodynamic Design Procedure Based on Artificial Neural Networks Author(s): Rai, Man Mohan Abstract: An aerodynamic design procedure that uses neural networks to model the functional behavior of the objective function in design space has been developed. This method incorporates several improvements to an earlier method that ... NASA Center: Ames Research Center Publication Year: 2001 Added to NTRS: 2008-06-02 Document ID: 20010071454 Prediction of turbine rotor-stator interaction using Navier-Stokes methods Author(s): Madavan, Nateri K.; Rai, Man Mohan; Gavali, Sharad Abstract: Flows in turbomachinery are generally complex and do not easily lend themselves to numerical computation. The flows are three-dimensional and inherently unsteady. Complicated blade geometries and flow phenomena such as ... NASA Center: Ames Research Center Publication Year: 1989 Added to NTRS: 2008-05-31 Accession Number: 91N10881; Document ID: 19910001568 Direct Numerical Simulations of Boundary Layer Transition on a Flat Plate Author(s): Rai, Man Mohan Abstract: In recent years the techniques of computational fluid dynamics (CFD) have been used to compute flows associated with geometrically complex configurations. However, success in terms of accuracy and reliability has been ... NASA Center: Ames Research Center Publication Year: 1997 Added to NTRS: 2007-02-07 Document ID: 20070003475 Application of Artificial Neural Networks to the Design of Turbomachinery Airfoils Author(s): Rai, Man Mohan; Madavan, Nateri Abstract: Artificial neural networks are widely used in engineering applications, such as control, pattern recognition, plant modeling and condition monitoring to name just a few. In this seminar we will explore the possibility of ... NASA Center: Ames Research Center Publication Year: 1997 Added to NTRS: 2007-02-07 Document ID: 20070002487 Single- and Multiple-Objective Optimization with Differential Evolution and Neural Networks Author(s): Rai, Man Mohan Abstract: Genetic and evolutionary algorithms have been applied to solve numerous problems in engineering design where they have been used primarily as optimization procedures. These methods have an advantage over conventional ... NASA Center: Ames Research Center Publication Year: 2006 Added to NTRS: 2006-09-29 Document ID: 20060015688 Three-dimensional Navier-Stokes simulations of turbine rotor-stator interaction Author(s): Rai, Man Mohan Abstract: Fluid flows within turbomachinery tend to be extremely complex in nature. Understanding such flows is crucial to improving current designs of turbomachinery. The computational approach can be used to great advantage in ... NASA Center: Ames Research Center Publication Year: 1988 Added to NTRS: 2005-10-13 Accession Number: 88N29750; Document ID: 19880020366; Report Number: A-88106, NAS 1.15:100081, NASA-TM-100081 Navier-Stokes Simulation Of Turbine Rotor/Stator Interaction Author(s): Rai, Man Mohan Abstract: Patched-grid method used to effect three-dimensional Navier-Stokes numerical simulation of flow interacting with both rotor and stator in turbine. Involves use of two or more grids or sets of grids to solve finite-difference ... NASA Center: Ames Research Center Publication Year: 1989 Added to NTRS: 2005-09-30 Accession Number: 89B10372; Document ID: 19890000372; Report Number: ARC-12185 Numerical Simulation Of Turbine Rotor/Stator Interaction Author(s): Rai, Man Mohan; Madavan, Nateri K. Abstract: Report describes numerical simulation of time-varying flows around multiple rotor and stator airfoils in turbine. Conducted with help of new computer program simulating flow in turbine stage configured with unequal numbers ... NASA Center: Ames Research Center Publication Year: 1989 Added to NTRS: 2005-09-30 Accession Number: 89B10525; Document ID: 19890000525; Report Number: ARC-12293 Using Multiple Grids To Compute Flows Author(s): Rai, Man Mohan Abstract: Paper discusses decomposition of global grids into multiple patched and/or overlaid local grids in computations of fluid flow. Such "domain decomposition" particularly useful in computation of flows about complicated bodies ... NASA Center: Ames Research Center Publication Year: 1991 Added to NTRS: 2005-09-30 Accession Number: 91B10092; Document ID: 19910000092; Report Number: ARC-12321 Calculating Rotor/Stator Interactions Author(s): Rai, Man Mohan Abstract: Analysis procedure and associated computer code use Euler equations of fluid motion and patched coordinate grids to simulate fluid flow about rotor airfoil moving with respect to stator airfoil. Procedure useful in studies ... NASA Center: Ames Research Center Publication Year: 1988 Added to NTRS: 2005-09-30 Accession Number: 88B10118; Document ID: 19880000118; Report Number: ARC-11724 1 2 3 4 Next  + Back to Top + Sponsored by the NASA Scientific and Technical    Information Program + 2004 Vision for Space Exploration + Freedom of Information Act + NASA Web Privacy Policy and Important Notices + NASA Disclaimers, Copyright Notice,    and Terms and Conditions of Use NASA Official: Calvin Mackey Page Curator: NASA Center for AeroSpace Information (help@sti.nasa.gov) Last Updated: July 5, 2007