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Volume 66 - February 1962

Contents

Page 9 of 14

Reviews

Library

The Library

Other

Technical Notes

  • Lift Distribution and Lift-Induced Drag Ratio of a Finite Wing in an Infinite Cascade

  • B. Lakshminarayana
  • Published online by Cambridge University Press:
    04 July 2016, pp. 785-789

  • In a recent note a method was developed for calculating the reduction in average lift of a cascade aerofoil due to trailing vortices, neglecting the interference due to blockage and stream curvature. Using the numerical values (for a rectangular aerofoil in an unstaggered cascade of finite wings) of the coefficients in the series for the circulation distribution obtained from the Liverpool University DEUCE programme referred to in the previous note, the effect of interference on the spanwise lift distribution has been studied. The analysis has been extended to predict the lift-induced drag ratio of a finite wing in a cascade.

Front matter

  • AER volume 66 issue 615 Cover and Front matter

  • Published online by Cambridge University Press:
    04 July 2016, pp. f1-f2
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Reviews

The Library

Library

The Library

Library

The Library

Library

The Library

Technical Notes

  • Further Properties of the Wave Charts

  • W. A. Woods
  • Published online by Cambridge University Press:
    04 July 2016, pp. 789-792

  • In a previous paper charts were given which related the flow Mach numbers on either side of a wave to a dimensionless wave speed. Charts were given for shock waves, isentropic expansion waves and isentropic non-steep pressure waves in a perfect gas. In this note it is shown that the lines of constant state ratio plotted on the charts constitute families of straight lines; this fact is particularly important in the case of the shock wave chart. The wave domains are also established and compared diagrammatically.

Reviews

Library

The Library

Library

The Library

Page 9 of 14