Download or read book An Analysis for High Speed Propeller Nacelle Aerodynamic Performance Prediction Volume 1 written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-23 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: A computer program, the Propeller Nacelle Aerodynamic Performance Prediction Analysis (PANPER), was developed for the prediction and analysis of the performance and airflow of propeller-nacelle configurations operating over a forward speed range inclusive of high speed flight typical of recent propfan designs. A propeller lifting line, wake program was combined with a compressible, viscous center body interaction program, originally developed for diffusers, to compute the propeller-nacelle flow field, blade loading distribution, propeller performance, and the nacelle forebody pressure and viscous drag distributions. The computer analysis is applicable to single and coaxial counterrotating propellers. The blade geometries can include spanwise variations in sweep, droop, taper, thickness, and airfoil section type. In the coaxial mode of operation the analysis can treat both equal and unequal blade number and rotational speeds on the propeller disks. The nacelle portion of the analysis can treat both free air and tunnel wall configurations including wall bleed. The analysis was applied to many different sets of flight conditions using selected aerodynamic modeling options. The influence of different propeller nacelle-tunnel wall configurations was studied. Comparisons with available test data for both single and coaxial propeller configurations are presented along with a discussion of the results. Egolf, T. Alan and Anderson, Olof L. and Edwards, David E. and Landgrebe, Anton J. Unspecified Center NASA-CR-4199-VOL-1, E-4382, NAS 1.26:4199-VOL-1 NAS3-20961; NAS3-22142; NAS3-22257; RTOP 535-03-01...
Download or read book An Analysis for High Speed Propeller nacelle Aerodynamic Performance Prediction User s manual written by and published by . This book was released on 1988 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book An Analysis for High Speed Propeller Nacelle Aerodynamic Performance Prediction Volume 2 written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-23 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: A user's manual for the computer program developed for the prediction of propeller-nacelle aerodynamic performance reported in, An Analysis for High Speed Propeller-Nacelle Aerodynamic Performance Prediction: Volume 1 -- Theory and Application, is presented. The manual describes the computer program mode of operation requirements, input structure, input data requirements and the program output. In addition, it provides the user with documentation of the internal program structure and the software used in the computer program as it relates to the theory presented in Volume 1. Sample input data setups are provided along with selected printout of the program output for one of the sample setups. Egolf, T. Alan and Anderson, Olof L. and Edwards, David E. and Landgrebe, Anton J. Unspecified Center NASA-CR-4199-VOL-2, E-4399, NAS 1.26:4199-VOL-2 NAS3-20961; NAS3-22142; NAS3-22257; RTOP 535-03-01...
Download or read book An Analysis for High Speed Propeller nacelle Aerodynamic Performance Prediction written by and published by . This book was released on 1988 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book An Analysis for High Speed Propeller nacelle Aerodynamic Performance Prediction Volume 1 Theory and Application written by and published by . This book was released on 1988 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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