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Landing Surface Characteristics Unique to V/STOL Aircraft
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English
Abstract
This article presents work performed at the Naval Air Engineering Center involving V/STOL Aircraft ground flows. Exhaust flows are directly related to aircraft size (thrust level) and propulsion system size (disk loading). A brief commentary on ground flow phenomena through the full range of disk loading is given. Major discussion is devoted to the narrower band of disk loading attendant with high performance V/STOL Aircraft. In particular, gas velocities and temperatures in the ground flow surroundings, and characteristics of pervasiveness are described. Heat transfer into a uniform structure has been calculated for concrete, poly/resin, asphalt, aluminum, and steel. Resultant surface and internal temperature distributions are shown. The Influence of engine exhaust temperature, height above ground, and heating time is illustrated. Jet engine exhaust impingement tests of refractory concretes, asphalt, and aluminum have been conducted and compared with heat transfer computations. Material samples were subjected to afterburning gases at 3150°F and 2.5 atmospheres through prescribed heating and cool down cycles. Materials found capable of with standing such high energy jets are described.
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Authors
Citation
Fluk, H., "Landing Surface Characteristics Unique to V/STOL Aircraft," SAE Technical Paper 872310, 1987, https://doi.org/10.4271/872310.Also In
References
- Fluk, H. “V/STOL B Exhaust Gas Flows-Air-craft/Interface” Naval Air Engineering Report NAEC-MISC-903-2 5 September 1979
- DeRose, L. “NAEC PDP 11/45 Computer Program Development for VTOL Aircraft Heat Transfer Study” Naval Air Engineering Center Report NAEC-MISC-13-009 December 1930
- Brown, M. W. “AM-2 Aluminum Airfield Landing Mat Tests” Naval Air Systems Command Final Report NAVAIR-11R-76 11 August 1976
- Fluk, H. “Runway Pavement Temperatures: Vertical/Short Takeoff and Landing Operations” Naval Air Engineering Center Report NAEC-MISC-903-29 13 January 1981
- Vignevic, N. Riviere, W. “CTOL/VSTOL Comparison-A View from the Deck” AIAA 80-1812 4-6 August 1980
- Fozard, J. W. “The British Aerospace Harrier-Case Study in Aircraft Design” AIAA Professional Study Series 95 July 1978
- Lankard, D. R. “Steel Fiber Reinforced Refractory Concrete” American Concrete Institute ACI Publication SP-57 Detroit Michigan 1978 241 263