Off-design regimes of flow past waveriders based on isentropic compression flows

Mazhul, I. I.

doi:10.1134/s0015462810020122

Cited by 6 publications

(3 citation statements)

References 16 publications

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“…Specifically, Nonweiler, 2 Jones, 3 Rasmussen, 4 Corda, 5,6 and He 7 have employed flows past a wedge, circular cone, elliptic cone, power-law body 8,9 and curved cone at a zero angle of attack, respectively, as basic flow fields for the generation of waveriders. Further, Goonko 10 and Mazhul 11 have used the convergent flow inside constricting ducts and an isentropic compression flow, respectively, as basic flow fields for waverider generation. All the above-listed flows can be classified as axisymmetric flows.…”

Section: Introductionmentioning

confidence: 99%

Comparison between novel waverider generated from flow past a pointed von Karman ogive and conventional cone-derived waverider

Ding

Shen

Liu

et al. 2015

Proceedings of the Institution of Mechanical Engineers, Part G:

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This study conducts a comparison between a novel waverider generated from axisymmetric supersonic flow past a pointed von Karman ogive and a conventional cone-derived waverider generated from the axisymmetric supersonic flow past a cone. First, a pointed von Karman ogive is obtained by sharpening the blunt nose of the original von Karman ogive to a point. Then, a cone with the same shock wave radius at the base plane as that of the pointed von Karman ogive when it travels at a designated supersonic speed is designed. Both axisymmetric supersonic flows past the pointed von Karman ogive and the cone are calculated using the method of characteristics, and the two calculated flow fields are employed as the new and conventional basic flow fields of the waveriders, respectively. Second, a novel waverider is generated from the new basic flow field past the pointed von Karman ogive, using the streamline tracing technique, and a conventional cone-derived waverider is generated from the conventional basic flow field past the cone, using the streamline tracing technique. Finally, numerical methods are employed to verify the design procedures of the novel and conventional cone-derived waveriders, and to analyze the differences between both types of waverider. The obtained results show that the novel waverider possesses lower drag and higher lift-to-drag ratios, while the conventional cone-derived waverider has a higher internal volume and volumetric efficiency.

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Section: Introductionmentioning

confidence: 99%

Comparison between novel waverider generated from flow past a pointed von Karman ogive and conventional cone-derived waverider

Ding

Shen

Liu

et al. 2015

Proceedings of the Institution of Mechanical Engineers, Part G:

View full text Add to dashboard Cite

show abstract

“…Nonweiler [24], Jones et al [18], Rasmussen [25], Corda and Anderson [5], and He et al [11] first employed flows past a wedge, circular cone, elliptic cone, power-law body, and curved cone, respectively, as the basic flow fields to generate waveriders at a zero angle of attack. Further, Goonko et al [10] and Mazhul [22] respectively used the convergent flow inside constricting ducts and an isentropic compression flow as the basic flow fields to generate waveriders. All the above-listed flows can be classified as axisymmetric flows.…”

Section: Introductionmentioning

confidence: 99%

Novel approach for design of a waverider vehicle generated from axisymmetric supersonic flows past a pointed von Karman ogive

Ding

Liu

Shen

et al. 2015

Aerospace Science and Technology

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“…Lewis (1991) used the waverider as vehicle’s forebody to design the air-breathing hypersonic vehicle. Mazhul (2010) studied the waverider’s performances under off-design conditions. Takashima and Lewis (1992, 1994a, 1994b) studied and optimized the waverider’s performance under viscous conditions using the viscous Navier–Stokes computation tools.…”

Section: Introductionmentioning

confidence: 99%

Design and analysis osculating general curved cone waverider

Qin

2017

AEAT

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Purpose Waverider has high lift to drag ratio and will be an idea aerodynamic configuration for hypersonic vehicles. But a structure permitting aerodynamic like waverider is still difficult to generate under airframe’s geometric constrains using traditional waverider design methods. And furthermore, traditional waverider’s aerodynamic compression ability cannot be easily adjusted to satisfy the inlet entrance requirements for hypersonic air-breathing vehicles. The purpose of this paper is to present a new method named osculating general curved cone (OCC) method aimed to improve the shortcomings of traditional waveriders. Design/methodology/approach A basic curved cone is, first, designed by the method of characteristics. Then the waverider’s inlet captured curve and front captured tube are defined in the waverider’s exit plane. Osculating planes are generated along the inlet captured curve and the designed curved cone is transformed to the osculating planes. Streamlines are traced in the transformed curved cone flow field. Combining all streamlines which have been obtained, OCC waverider’s compression surface is generated. Waverider’s upper surface uses the free stream surface. Findings It is found that OCC waverider has good volumetric characteristics and good flow compression abilities compared with the traditional osculating cone (OC) waverider. The volume of OCC waverider is 25 per cent larger than OC waverider at the same design condition. Furthermore, OCC waverider can compress incoming flow to required flow conditions with high total pressure recovery in the waverider’s exit plane. The flow uniformity in the waverider exit plane is quite well. Practical implications The analyzed results show that the OCC waverider can be a practical high performance airframe/forebody for hypersonic vehicles. Furthermore, this novel waverider design method can be used to design a structure permitting aerodynamic like waverider for a practical hypersonic vehicle. Originality/value The paper puts forward a novel waverider design method which can improve the waverider’s volumetric characteristics and compression abilities compared with the traditional waverider design methods. This novel design approach can extend the waverider’s applications for designing hypersonic vehicles.

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Off-design regimes of flow past waveriders based on isentropic compression flows

Cited by 6 publications

References 16 publications

Comparison between novel waverider generated from flow past a pointed von Karman ogive and conventional cone-derived waverider

Comparison between novel waverider generated from flow past a pointed von Karman ogive and conventional cone-derived waverider

Novel approach for design of a waverider vehicle generated from axisymmetric supersonic flows past a pointed von Karman ogive

Design and analysis osculating general curved cone waverider

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