3 edition of Aerodynamic analysis of hypersonic waverider aircraft found in the catalog.
Aerodynamic analysis of hypersonic waverider aircraft
|Statement||principal investigator, Doral R. Sandlin ; student investigator, David N. Pessin.|
|Series||[NASA contractor report] -- NASA CR-192981., NASA contractor report -- NASA CR-192981.|
|Contributions||Pessin, David N., Ames Research Center.|
|The Physical Object|
At high supersonic and hypersonic speeds there occurs new opportunities of application of non-traditional aerodynamic shapes, based on waverider and Busemann biplane conceptions (Figs. 9, 10). The results of calculation and experimental investigations show that such aerodynamic configurations, thanks to positive effects of airframe-powerplant Cited by: 1. The present thesis is focused on waverider aircraft: one of the most promising concept to achieve hypersonic velocities with acceptable lift-to-drag ratios. A preliminary design framework has been developed in order to generate the most fitting waverider configurations for the desired design mission.
The present work deals with the analysis of the configuration of the hypersonic Brazilian X waverider. The computational model is generated and the CFD analysis is done in ANSYS FLUENT. The parametric study involves the computation of the maximum lift-to- drag ratio for different Mach number ranging from 6 to 10 and the effect of angle of Author: Sumanth Pai, Powell Poly Chandy, R. A. Krishnan, S. Shali. Characteristics of hypersonic flow and waverider design. Based on a paper originally written by Jeff Scott Spring Introduction: Since the beginning of aviation, the trend in aircraft design has been towards greater speed, and engineers have constantly pushed the limits of current propulsion technology.
The Boeing X Waverider is an unmanned research scramjet experimental aircraft for hypersonic flight at Mach 5 (3, mph; 5, km/h) and an altitude of 70, feet (21, m). The aircraft was designated X in It completed its first powered hypersonic flight on 26 May After two unsuccessful test flights, the X completed a flight of over six minutes and reached speeds of Manufacturer: Boeing. Tucked beneath the metre-long left wing of the aircraft was a metre unmanned craft designated XA Waverider, on the fourth and fi nal fl ight of a test programme conceived by researchers at the United States Air Force Research Laboratory to probe the limits of socalled ‘hypersonic’ fl ight, in excess of fi ve times the speed of sound.
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The Hypersonic Aircraft Vehicle Optimization Code (HAVOC) is used to perform the off-design analysis of waverider configurations generated by the Waverider code.
Various approximate analysis methods are used by HAVOC to predict the aerodynamic characteristics, which are validated via a comparison with experimental results from a hypersonic test.
aerodynamic performance and propulsionairframe integration (PAl) characteristics over conventional non-waverider hypersonic shapes. A wind-tunnel model was devel-oped that integrates vehicle components, including canopies, engine components, and control surfaces, with two pure waverider shapes, both conical-flow-derived wave.
In the aerodynamic shape design of hypersonic vehicle, it is very important to choose an appropriate scheme to blunt the waverider. The results can be used for the configuration design of Author: Giuseppe Pezzella. The Hypersonic Aircraft Vehicle Optimization Code (HAVOC) is used to perform the off-design analysis of waverider configurations generated by the Waverider code.
Various approximate analysis methods are used by HAVOC to predict the aerodynamic characteristics, which are validated via a comparison with experimental results from a hypersonic test modelAuthor: David N.
Pessin and Doral R. Sandlin. An Aerodynamic Analysis of Several Hypersonic Research Airplane Concepts from M = to Jim A. Penland,' James L. Dillon, t and Jimmy L. Pittmant NASA Langley Research Center, Hampton, Va.
Several conceptual hypersonic research airplanes, designed within the constraints of a B launch aircraft,File Size: 2MB. This section discusses an innovative approach to the generation of a waverider derived forebody that can be used to prepare the hypersonic flow for scramjet processing.
For instance, Fig. 4 illustrates the shape of a hypersonic forebody that was constructed using this design philosophy. Splitting the caret waverider, which is illustrated in Fig. Keywords: Waverider, Liftbody, Inlet, Hypersonic, Forebody 1.
Introduction Hypersonic waveriders are promising shapes for the forebodies of propulsion-integrated hypersonic vehicles. The aerodynamic advantage of the waverider is that high pressure behind the shock wave under the vehicle does not “leak”.
Aerodynamics, from Greek ἀήρ aero (air) + δυναμική (dynamics), is the study of motion of air, particularly as interaction with a solid object, such as an airplane wing. It is a sub-field of fluid dynamics and gas dynamics, and many aspects of aerodynamics theory are common to these term aerodynamics is often used synonymously with gas dynamics, the difference being that.
Low speed longitudinal aerodynamic, static stability and performance analysis of a hypersonic waverider Aerospace Science and Technology, Vol. 96 Reinterpreting the Volume Parameter in Hypersonic FlightCited by: WaveRider. Waveriders are candidate shapes for various types of hypersonic aircraft designs.
A waverider is a shape designed from a known supersonic or hypersonic flow field, such as flow past a. testing. This paper will present the CKEM Laser Window Design and Analysis effort as an example of a successful approach to hypersonic system thermal analysis and design.
Keywords: Hypersonics, Laser Window, Aerothermal Tests, Seals, Flight Tests, Aerodynamic Heating 1. INTRODUCTION. This paper investigates a morphing hypersonic waverider concept and determines the morphing surface accuracy and control requirements required to achieve Mach 5 to Mach on-design operation.
Hyp Author: Austin A. Phoenix, Jesse R. Maxwell, Robert E. Rogers. The design of hypersonic aircraft is heavily influenced by the aerodynamic efficiency at the cruise Mach number, resulting in less than ideal geometries for subsonic flight. Waverider aerodynamics and stability in the low speed regime is rarely investigated and not well understood, but is crucial for horizontal take-offs and by: 1.
The design of hypersonic aircraft is heavily inﬂuenced by the aerodynamic eﬃciency at the cruise Mach number, resulting in less than ideal geometries for subsonic ﬂight.
“Aerodynamic Analysis of Aircraft Wing “VNU Journal of Science: Mathematics –Physics, Vol. 31, No. 2 () 2) Ankan Dash “CFD Analysis of Wind Turbine Airfoil at Various Angles of Attack”, IOSR Journal of Mechanical and Civil Engineering, Vol No, Issue 4() This experimental aircraft aims to conduct a hypersonic cruise experiment at Mach 5.
Therefore, a waverider was applied as the wing of the aircraft in order increase L/D during hypersonic cruise. Also, this aircraft will conduct a low speed cruise experiment at Mach to evaluate the subsonic performance Fig.
The design of hypersonic aircraft is heavily influenced by the aerodynamic efficiency at the cruise Mach number, resulting in less than ideal geometries for subsonic flight. Waverider aerodynamics and stability in the low speed regime is rarely investigated and not well understood, but is crucial for horizontal take-offs and : Tamas Bykerk, Dries Verstraete, Johan Steelant.
Before detailing the specifics of waverider design and performance, we will first look at the characteristics of and design issues related to hypersonic aircraft in general.
Based on these generic results, we will see how waveriders represent optimum shapes that maximize overall performance. Kuchemann establishes three classes of aircraft based on the character of flow involved. Each class is suitable for a distinct cruise speed regime: classical and swept aircraft for subsonic and transonic cruise, slender-wing aircraft for supersonic cruise, and wave-rider aircraft for hypersonic cruise.
It then upgrades the design method for airframe/inlet integration of an air-breathing hypersonic waverider vehicle, which is termed the ‘full-waverider vehicle’ in this study.
In this paper, first, the design principle and method for the upgraded full-waverider vehicle derived from an axisymmetric basic shock wave are described in by: 2.AERODYNAMIC ANALYSIS OF HYPERSONIC WAVERIDER AIRCRAFt by David Neil Pessin The purpose of this study is to validate two existing codes used by the Systems Analysis Branch at NASA Ames Research Center, and to modify the codes so they can be used to generate and analyze waverider aircraft, both at on-design and off-design conditions.Hypersonic Aerodynamics Introduction Hypersonic vehicles are commonplace.
There are many more of them than the supersonic aircraft discussed in the last chapter. Applications include missiles, launch vehicles and entry bodies.
A huge effort has been made developing hypersonic aerodynamics methods and Size: 1MB.