Integrating high fidelity design and simulation tools into the conceptual design stage enables engineers to develop design variations quickly and affordably. Airframepropulsion integration design is one of the key techniques of airbreathing hypersonic vehicles to reduce overall drag and achieve positive thrust margins at hypersonic speeds. This work focuses primarily on the development and utilization of parametric modeling methods as they apply to. The heating effect is greatest at the leading edges and is dealt with by using hightemperature metal alloys, insulating the exterior of the vehicle, or using ablative materials. All of these high speed flow phenomena lead to a vehicle design unlike the typical airliner or fighter aircraft. Nov 06, 2018 designing and building hypersonic airplanes is a huge challenge we havent yet been able to crack. A 2d hypersonic vehicle shape with an idealized scramjet is designed at a cruise regime. Hypersonic technology vehicle 2 htv2 is an experimental hypersonic glide vehicle developed as part of the darpa falcon project capable of flying at,000 mph mach 17. Petley james l hunt nasa langley research center hampton, virginia john g.
For example, panel methods can be used in conjunction with newtonian ow theory to obtain the hypersonic aerodynamic characteristics of a vehicle with orders of magnitude reduction. Airframepropulsion integration methodologies for the hypersonic vehicle have been extensively studied by many researchers 4, 5, 6, 7. The navys arleigh burke class destroyers to be armed with. The ghv is a small, pilotless, blended wingbody vehicle, with 3d inlet and nozzle, and axisymmetric through. Hypersonic vehicle simulation institute united states air. This is indeed one of the main challenges of hypersonic vehicle conceptual design. Martin lockheed martin hampton, virginia work performed under nasa contract 34th aerospace sciences. Physics drivers of hypersonic vehicle design aiaa space forum. A joint team of soldiers, sailors, defense department.
Csis is a bipartisan, nonprofit think tank focused on international policy and issues of global significance. Analytic hypersonic aerodynamics for conceptual design of. At present, there is little consideration for the overall performance when optimizing the aerodynamic configuration design for hypersonic vehicles. Multidisciplinary design optimization of hypersonic air. Conceptual design and numerical simulations of hypersonic. Physics drivers of hypersonic vehicle design aiaa space. Airframepropulsion integration design is one of the key technologies of the hypersonic vehicle. However, the overall vehicle design, especially the outer portion of the wing, plays a significant roll in stability and control behavior. Snewt software for hypersonic aerodynamics estimation nasa.
Airframepropulsion integration design and optimization. Parametric modeling for simulation based hypersonic. Udri offers a breadth of capabilities in hypersonic vehicle materials and structures, with engineers and scientists specializing in a wide range of hypersonicsrelated fields. Disturbance observerbased dynamic surface control design for. Request pdf inverse simulation for hypersonic vehicle analysis this paper presents the development of an inverse simulation method for hypersonic vehicles and uses the method for design. Igniters as a national research council postdoc at the afrl, dr. Sep 15, 2018 american institute of aeronautics and astronautics 12700 sunrise valley drive, suite 200 reston, va 201915807 703. Hypersonic vehicles travel much faster than the speed of sound, typically at mach 5 or higher. Martin lockheed martin hampton, virginia work performed under nasa contract 34th aerospace sciences meeting and. The term hypersonic implies that there are unique physical phenomena that are important for these vehicles that do not occur at lower speed. Classification of flows of all the ways of classifying, subdividing and describing different aerodynamic flows, the distinction based on the mach number is probably the most prevelant.
Mar 08, 2019 it is an airdropped liquid rocket specifically designed for hypersonic flight research. The global data chandelier is a custom light fixture commissioned by the center for strategic and international studies for their new headquarters in washington, dc. Scramjets hypersonic engine and vehicle design ghi uses eco, a suite of tools created for scramjet engine hypersonic vehicle design, integration and optimization. Robust estimator design applied to the lateral dynamics of a hypersonic vehicle. Agi software developer tal bass gives a short demonstration of how. In the past, guidance, navigation, and control gnc analysis often follows completion of the vehicle conceptual design process. This involves geometric modeling, subsystem layout, internalexternal interface specification, and system integration, along with various analyses including. Hypersonic vehicle simulation institute hsvi the hypersonic vehicle simulation institute hvsi, sponsored by the department of defense high performance computing modernization program, is a national effort managed from the u. Hasahypersonic aerospace sizing analysis for the preliminary. X60a hypersonic flight research vehicle program completes. This significantly limits the capability of the highfidelity analysis tools to impact the design cycle of hypersonic systems. For hypersonic vehicles, it is generally known that aerodynamic heating is the dominant issue of the vehicle design. Towards an integrated modeling environment for hypersonic vehicle design and synthesis jeffrey v.
The role of guidance, navigation, and control in hypersonic. Hypersonic vehicle model the road runner ghv which is used as a platform for analysis and control design is shown in figure 1. Apr 23, 2012 an artists illustration of darpas hypersonic technology vehicle 2 htv2 travelling at,000 mph, or mach 20, during its aug. Lucid engineers extensively leveraged ansys multiphysics simulation software to improve the operation of most of the vehicles subsystems by accounting for a wide range of performance. The primary goal of that program was to design and build a missile that could fly at least 400 nautical miles nm at mach 6 and have an average unit flyaway cost. The design, analysis, and optimization of airbreathing hypersonic vehicles requires analyses involving many highly coupled disciplines at levels of accuracy exceeding those traditionally considered in a conceptual or preliminarylevel design. During conceptual design, methods are typically employed to improve computational speed at the expense of a small reduction in delity. To date the only manned aircraft to use the technique was the mach 3 supersonic xb70 valkyrie. Aug 06, 2017 this dualpurpose sandwich panel design carries both thermal and mechanical loads and increases the operational efficiency of hypersonic vehicle aeroshells. Disturbance observerbased dynamic surface control design. There are three principal aircraft missions to be considered in hypersonics.
Navy a flight test of the joint armynavy hypersonic glide vehicle across the pacific was a success thanks to a dedicated team who managed complexity and change, officials said. Research on integrated design and optimization for hypersonic. Full text of airbreathing hypersonic vehicle design and. The conceptual design stage offers the most opportunity for innovation and the capability to reveal costly design errors early. This allows us to perform multidisciplinary design and development of hypersonic structures from concept through flight test.
In this video i dive deeper into specifically the difficulties presented by making a hypersonic. Generation orbit hypersonic flight hardware, and design. Research on integrated design and optimization for. According to the numerical simulations it shows that the hypersonic waverider vehicle designed in this paper not only has a multilevel precompression forebody which can reduce inlet design difficulties and provide uniform air flow for scramjet but also has the whole waverider airframe which can provide high lift. In the optimization process, the flow around the airbreathing vehicle is. This paper proposes a novel approach for integrated optimal design of overall performance and aerodynamic configuration, taking aerodynamic configuration and overall performance constraints into. By alberto bassanese, manager, multiphysics and optimization, lucid motors, menlo park, usa. Hypersonic vehicles an overview sciencedirect topics. Inverse simulation for hypersonic vehicle analysis. Supersonic hypersonic vehicle design technosoft inc. Death of darpas superfast hypersonic glider explained space. Formerly called the golauncher 1, the x60a is a small airlaunched rocket.
Hypersonic teamed up with sosolimited, plebian design, and chris parlato to design, program, and fabricate this oneofa. New approach to hypersonic calculations design news. Parametric modeling for simulation based hypersonic vehicle design by. Full text of airbreathing hypersonic vehicle design and analysis methods see other formats nasatw111249 aim 960381 airbreathing hypersonic vehicle design and analysis methods mary kae lockwood dennis h. With the development of hypersonic vehicle design method, cfd technology, and optimization method, it is possible to improve the conceptual design of airframepropulsion integration both in accuracy and efficiency. Scramjets hypersonic engine and vehicle design ghi uses eco, a suite of tools created for scramjet enginehypersonic vehicle design, integration and optimization. Parametric modeling for simulation based hypersonic vehicle design by alexander david lee a thesis submitted to the graduate faculty in partial fulfillment of the requirements for the degree of master of science major. An unmanned hypersonic researched vehicle was designed to test a scramjet, this vehicle had to meet the followlng performance specifications. An artists illustration of darpas hypersonic technology vehicle 2 htv2 travelling at,000 mph, or mach 20, during its aug. Special materials must be used to protect it and insulate the people and instruments on board from the heat. Addressing the challenges of the design of hypersonic vehicles. A waverider is a hypersonic aircraft design that improves its supersonic lifttodrag ratio by using the shock waves being generated by its own flight as a lifting surface, a phenomenon known as compression lift the waverider remains a wellstudied design for highspeed aircraft in the mach 5 and higher hypersonic regime, although no such design has yet entered production.
The engine and airframe aerodynamics therefore become highly coupled. Modeling, analysis, and control of a hypersonic vehicle with. The design of hypersonic and transatmospheric vehicles is a complex multidisciplinary problem. Aug 25, 2017 this significantly limits the capability of the highfidelity analysis tools to impact the design cycle of hypersonic systems. In this chapter, design methods of waverider airframes and propulsion systems. Aerothermodynamic optimization of hypersonic vehicle tps. American institute of aeronautics and astronautics 12700 sunrise valley drive, suite 200 reston, va 201915807 703. Nasas zane pinckney and ship supersonic hydrogen injection program codes were used to. They are being developed for applications from national security to space exploration. Jun 12, 2014 hypersonic aircraft typically have very thick boundary layers along the surface and high heat transfer. The term hypersonic implies that there are unique physical phenomena that are important. Cfd technology for hypersonic vehicle design sciencedirect.
Mach number is defined as the ratio of speed of the flow to speed of the sound. Lgm30 reentry vehicle lgm30 minuteman reentry vehicle during postboost flight lgm30 minuteman hypercfd analysis for mach 25 flight. This report describes the developed methodology, and provides examples to illustrate the model, entitled the hypersonic aerospace sizing analysis hasa. Designing and building hypersonic airplanes is a huge challenge we havent yet been able to crack. Automation of the process to allow for seamless adaption to changes in the cad computer aided design definition of the hypersonic system are a requirement to close this gap. Go is proud to be the prime contractor for the nations x60a hypersonic flight research platform. Engineairframe integration on a hypersonic vehicle from hallion, vol. It is a test bed for technologies to provide the united states with the capability to reach any target in the world within one hour prompt global strike using an unmanned hypersonic bomber aircraft. Lucids new luxuryclass electric vehicle ev is designed to compete with the leaders in the highend ev market. Snewt software for hypersonic aerodynamics estimation researchers at nasas johnson space center have developed an engineering software tool for rapidly generating estimates of hypersonic aerodynamic coefficients and pressures on the surface of a vehicle traveling at speeds above mach 5. See how ansys tools are used to simulate high speed flows and to design hypersonic vehicles by highlighting the capabilities of the cfd and multiphysics tools. It is an airdropped liquid rocket specifically designed for hypersonic flight research.
Preysshypersonic technology approach to an expanded program. Hypersonic glide vehicle successfully tested tech briefs. X60a hypersonic flight research vehicle program completes critical. A joint armynavy team launches the hypersonic glide body on the night of march 19 from the pacific missile range facility, kauai, hawaii. Inverse simulation for hypersonic vehicle analysis request pdf. Conventional multiuse hypersonic vehicles typically use nonloadbearing insulation systems to thermally protect the vehicle while using an internal skeleton to bear the mechanical loads.
An example, shown below, illustrates how a scramjet engine would likely be incorporated into a hypersonic vehicle. Automation of the process to allow for seamless adaption to changes in the cad computer aided design definition of the hypersonic system are a. Then a multiobjective design optimization of the 2d vehicle is carried out by using a pareto nondominated sorting genetic algorithm ii nsgaii. A vehicle designed to fly at hypersonic speed more than five times the speed of sound or to reenter the atmosphere must be able to withstand searing heat due to friction and shock waves. Generation orbit is a business unit of spaceworks enterprises and serves as the companys elite arm for building and operating cuttingedge atmospheric flight hardware. Lucid engineers extensively leveraged ansys multiphysics simulation software to improve the operation of most of the vehicles subsystems by accounting for a wide range of performance factors to create a digital prototype. Airbreathing hypersonic vehicle design and analysis. Aerospace engineering program of study committee thomas p.
The requested vehicle will be manufactured in accordance with the hypersonic test vehicle htv2 design developed for the falcon program by lockheed martin. It can be used to predict the size and weight of hypersonic singlestage and twostagetoorbit vehicles and transports, and is also relevant for. Controlrelevant modeling, analysis, and design for scramjetpowered hypersonic vehicles. Individual component groups design subsystems which are. Hypersonic aerodynamics of aerospace vehicle design. Addressing the challenges of the design of hypersonic. Aerothermodynamic optimization of hypersonic vehicle tps design by a podrsmbased approach p.
Ghi developed several igniters for hydrocarbonfueled scramjet combustor applications. The program goals were established to provide perform ance data to. Automated parametric discretization tool for highfidelity. Navy arleigh burke class destroyers equipped with the. Designing stability and control characteristics for a hypersonic vehicle is not an easy task, and the reason for it is twofold. May 25, 2017 at present, there is little consideration for the overall performance when optimizing the aerodynamic configuration design for hypersonic vehicles. Computer simulations for the design and analysis of hypersonic vehicles are critical as it is often impossible to reproduce the highmach number, highenthalpy conditions experienced at the high speeds of these vehicles in a wind tunnel. Testing ghi provides experimental testing services to the us aerospace communinty. Hypersonic aircraft typically have very thick boundary layers along the surface and high heat transfer. In general, hypersonic vehicles incorporating these control surfaces have been found to exhibit adequate stability characteristics at both cruise and takeofflanding conditions. A waverider is a hypersonic aircraft design that improves its supersonic lifttodrag ratio by using the shock waves being generated by its own flight as a lifting surface, a phenomenon known as compression lift. Parametric modeling for simulation based hypersonic vehicle.