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By R. Varatharajoo, E. J. Abdullah, D. L. Majid, F. I. Romli, A. S. Mohd Rafie

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Additional resources for Aerotech IV: Recent Advances in Aerospace Technologies: Selected, Peer Reviewed Papers from the AEROTECH IV, November 21-22, 2012, Kuala Lumpur, Malaysia

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8 Velocity vector plot for curved brake disk design at 1800 and 2411 rpm R. Varatharajoo, E. J. Abdullah, D. L. Majid, F. I. Romli, A. S. Mohd Rafie and K. A. Ahmad 31 Conclusions The innovation of curved blade profiles substituting the straight blade design in the same dimension of the ventilated brake disk for passenger car has yielded tremendous improvement for flow characteristics. The experimental and numerical approaches are effective tools in designing the current curved blade design. Further analysis on the quantitative heat transfer can be done to validate the improvement.

The angle β and its rate and pitching angle θ are given by: r (1) θ 0 cos( 2πft + φ ) . B where θ0 is the maximum pitch angle, φ is the lag between pitching and flapping angle and r is the distance along the span of the wing under consideration. The vertical and horizontal components of relative wind velocity, as depicted in Fig. 5, can be expressed as β(t )= β max cos 2 πft ; β(t )= − 2 π f β max sin 2 π ft ; θ (t ) = V x = U cos δ + ( 0 . 75* c *θ * sinθ ) . (3) R. Varatharajoo, E. J. Abdullah, D.

The visualization using mini tuft is also performed to observe the airflow streamline on the surface of canard when subjected to variation of canard setting angles. R. Varatharajoo, E. J. Abdullah, D. L. Majid, F. I. Romli, A. S. Mohd Rafie and K. A. Ahmad 39 Experimental Setup A series of experiments were conducted for a half-model of BWB equipped with canard in Universiti Teknologi MARA subsonic wind tunnel, as shown in Fig. 1(a). 5m. The wind tunnel equipped with six component balances. The model used was a one-sixth scaled BWB equipped with canard.

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