Transitional boundary-layer considerations for the heating analyses of lifting re-entry vehicles.

Matsushima, Masaki; Yakura, James K.

doi:10.2514/3.29754

Cited by 9 publications

(2 citation statements)

References 12 publications

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“…In situations where the design is driven by the maximum heat-transfer rate (e.g. the space shuttle, Masaki & Yakura 1969) estimates that are too conservative involve a heavy penalty.…”

Section: General Remarksmentioning

confidence: 99%

“…This in turn affects the estimated maximum values of the temperature and its gradient in operation (Krishnamoorthy 1986), leading to less realistic values for the design stress in the blade. On reusable satellite launch vehicles such as the space shuttle, which experiences wide excursions of the transition zone during flight (Gong et al 1984), estimates of peak heat-transfer rate exert decisive influence on the available design options (Masaki & Yakura 1969). Looking to the future, the potential rewards in the ability to manage the transition zone are yet uninvestigated; while methods for delaying transition onset have been widely studied, other options (e.g.…”

Section: Introductionmentioning

confidence: 99%

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Transition-zone models for 2-dimensional boundary layers: A review

Narasimha

Dey

1989

Sadhana

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Models for the laminar-turbulent transition zone have in recent years become increasingly important, especially in technological applications where the design is driven by peak heat-transfer rates or extensive regimes of laminar or transitional flow. Models in current use can be classified into three types, namely linear-combination, algebraic and differential. The first type based on the principle of combining mean laminar and turbulent velocities, in proportions determined by the intermittency, is shown to be both successful and relatively easy to implement, especially if recent improvements in estimating turbulent spot formation rates and ideas concerning the possibility of sub-transitions within the transition zone are incorporated. Algebraic models, where the eddy viscosity is released by the intermittency, and differential models involving fairly elaborate schemes for determining the kinetic energy of turbulent fluctuations and their length scale, are found to require further development for handling flows with large pressure gradients.

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“…In situations where the design is driven by the maximum heat-transfer rate (e.g. the space shuttle, Masaki & Yakura 1969) estimates that are too conservative involve a heavy penalty.…”

Section: General Remarksmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%