Aerodynamic Loading Characteristics Of A 1 10 Scale Model Of The Three Stage Scout Vehicle At Mach Numbers 157 To 465 PDF Download
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Author | : Lloyd S. Jernell |
Publisher | : |
Total Pages | : 52 |
Release | : 1963 |
Genre | : Aerodynamic load |
ISBN | : |
Download Aerodynamic Loading Characteristics of a 1/10-scale Model of the Three-stage Scout Vehicle at Mach Numbers 1.57 to 4.65 Book in PDF, ePub and Kindle
Author | : Thomas C. Kelly |
Publisher | : |
Total Pages | : 68 |
Release | : 1961 |
Genre | : Launch vehicles (Astronautics) |
ISBN | : |
Download Aerodynamic Loading Characteristics at Mach Numbers from 0.80 to 1.20 of a 1/10-scale Three-stage Scout Model Book in PDF, ePub and Kindle
Aerodynamic loads results have been obtained in the Langley 8-foot transonic pressure tunnel at Mach numbers from 0.80 to 1.20 for a 1/10-scale model of the upper three stages of the Scout vehicle. Tests were conducted through an angle-of-attack range from -8° to 8° at an average test Reynolds number per foot of about 4.0 x 106. Results indicated that the peak negative pressures associated with expansion corners at the nose and transition flare exhibit sizeable variations which occur over a relatively small Mach number range. The magnitude of the variations may cause the critical local loading condition for the full-scale vehicle to occur at a Mach number considerably lower than that at which the maximum dynamic pressure occurs in flight. The addition of protuberances simulating antennas and wiring conduits had slight, localized effects. The lift carryover from the nose and transition flare on the cylindrical portions of the model generally increased with an increase in Mach number.
Author | : Lloyd S. Jernell |
Publisher | : |
Total Pages | : 36 |
Release | : 1963 |
Genre | : Aerodynamic load |
ISBN | : |
Download Aerodynamic Loading Characteristics of a 1/10-scale Model of the Three-stage Scout Vehicle at Mach Numbers 1.57 to 4.65 Book in PDF, ePub and Kindle
Author | : Byron M. Jaquet |
Publisher | : |
Total Pages | : 22 |
Release | : 1961 |
Genre | : Aerodynamics, Supersonic |
ISBN | : |
Download Aerodynamic Characteristics at a Mach Number of 3.10 of Several Fourth-stage Shapes of the Scout Research Vehicle Book in PDF, ePub and Kindle
Author | : Thomas C. Kelly |
Publisher | : |
Total Pages | : 64 |
Release | : 1961 |
Genre | : |
ISBN | : |
Download Aerodynamic Loading Charactersitics at Mach Numbers from 0.80 to 1.20 of a 1/10-scale Three-stage Scout Model Book in PDF, ePub and Kindle
Author | : Ross B. Robinson |
Publisher | : |
Total Pages | : 42 |
Release | : 1961 |
Genre | : Aerodynamics |
ISBN | : |
Download Aerodynamic Characteristics in Pitch and Sideslip of a 1/15-scale Model of the Scout Vehicle at a Mach Number of 2.01 Book in PDF, ePub and Kindle
Author | : Thomas C. Kelly |
Publisher | : |
Total Pages | : 80 |
Release | : 1962 |
Genre | : Launch vehicles (Astronautics) |
ISBN | : |
Download Investigation of the Static Longitudinal Aerodynamic Characteristics of a 1/10-scale Model of the Blue Scout Jr. at Mach Numbers from 0.40 to 1.03 Book in PDF, ePub and Kindle
Author | : Lloyd S. Jernell |
Publisher | : |
Total Pages | : 32 |
Release | : 1961 |
Genre | : Launch vehicles (Astronautics) |
ISBN | : |
Download Investigation of the Static Longitudinal and Lateral Stability Characteristics of a 0.10-scale Model of a Three-stage Configuration of the Scout Research Vehicle at Mach Numbers of 2.29, 2.96, 3.96, and 4.65 Book in PDF, ePub and Kindle
Author | : Thomas C. Kelly |
Publisher | : |
Total Pages | : 1 |
Release | : 1962 |
Genre | : |
ISBN | : |
Download Investigation of the Static Longitudinal Aerodynamic Characteristics of a 1/10-scale Model of the Blue Scout Jr. at Mach Numbers from 0.40 to 1.03 Book in PDF, ePub and Kindle
Results were obtained in the Langley 8-foot transonic pressure tunnel at Mach numbers from 0.40 to 1.03 for a 1/10-scale model of the Blue Scout Jr. Tests extended over an angle-of-attack range from about -6 to 6 degrees at a Reynolds number per foot of approximately 4.0 x 10 to the 6th power. Results indicated that the complete configuration exhibited nonlinear variations of normal-force and pitching-moment coefficients with angle of attack which were attributed to the downwash field of the forward fins and its effects on the rear fins. The complete configuration was stable about the test center-of-gravity location which was close to the estimated fullscale-vehicle initial center-of-gravity location. (Author).
Author | : Byron M. Jaquet |
Publisher | : |
Total Pages | : 1 |
Release | : 1961 |
Genre | : |
ISBN | : |
Download Aerodynamic Characteristics at a Mach Number of 3.10 of Several Fourth-stage Shapes of the Scout Research Vehicle Book in PDF, ePub and Kindle
A wind-tunnel investigation was made at a Mach number of 3.10 (Reynolds number per foot of 16.3 x 10 to the 6th power to 16.9 x 10 to the 6th power) to determine the aerodynamic characteristics of various modifications of the payload section of the fourth stage of the Scout research vehicle. It was found that, for the combination of stages 3 and 4, increasing the size of the nose of the basic Scout to provide a cylindrical section of the same diameter as the third stage increased the normal-force slope by about 30 percent, the axial force by about 39 percent, and moved the center of pressure forward by about one fourth-stage base diameter. By reducing the diameter of the cylinder, at about one nose length behind the base of the enlarged nose frustum, to that of the basic Scout and thereafter retaining the shape of the basic Scout, the center of pressure was moved rearward by about one-half fourthstage base diameter at the expense of an additional 19-percent increase in axial force. A spikehemisphere configuration had the largest forces and moments and the most forward center-of-pressure location of the configurations considered. (Author).