A design chart has been proposed from which the optimal hybrid airship can be

A design chart has been proposed from which the

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A design chart has been proposed, from which the optimal hybrid airship can be selected, corresponding to a given time constraint and cruise altitude. Acknowledgment The authors wish to thank the anonymous reviewers for their excellent comments and suggestions, which lead to significant im- provement in the content of the paper. References [1] Ardema, M. D., Feasibility of Modern Airships: Preliminary Assessment, Journal of Aircraft , Vol. 14, No. 11, 1977,pp. 1140 1148. doi:10.2514/3.58902 [2] Tianshu, L., Liou, W. W., and Schulte, M., Aeroship: A Hybrid Platform, Journal of Aircraft , Vol. 46, No. 2, 2009, pp. 667 674. [3] Sagar,K.K.,Verma,A.R., and Priyadarshi,P., Commenton Aeroship: A Hybrid Flight Platform , Journal of Aircraft , Vol. 51, No. 2, 2014, p. 701. doi:10.2514/1.C031974 [4] Zhang, K.-S., Han, Z.-H., and Song, B.-F., Flight Performance Analysis of Hybrid Airship: Revised Analytical Formulation, Journal of Aircraft , Vol. 47, No. 4, 2010, pp. 1318 1330. doi:10.2514/1.47294 [5] Mackrodt, P. A., Further Studies in the Concept of Delta Wing Hybrid Airships, Journal of Aircraft , Vol. 17, No. 10, pp. 734 740. doi:10.2514/3.57960 [6] Carichner, G. E., and Nicolai, L. M., Fundamentals of Aircraft and Airship Design: Airship Design and Case Studies , Vol. 2, AIAA Education Series, AIAA, Reston, VA, 2013, Chap. 4. Fig. 12 Fuel consumption at BR i opt vs t max at various altitudes. Fig. 13 BR i opt contour lines on altitude t max chart. Fig. 14 Volume contour lines at BR i opt on altitude t max chart. 6 AIAA Early Edition / VERMA, SAGAR, AND PRIYADARSHI Downloaded by Vikram Sarbhai Space Centre LIbrary Thiruvanathapuram on August 18, 2014 | | DOI: 10.2514/1.C032038 View publication stats
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  • Winter '13
  • A.Kumar
  • Buoyancy, Aerodynamics, Drag coefficient, Zero-lift drag coefficient, Airship, Vikram Sarbhai Space Centre

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