In attempt to provide criteria for designing of large volume crashworthy cells, an insight into the basic understanding between the interaction of the liquid fuel and an elastic cell, in an impact environment, is required. The typical crashworthy Helicopter fuel cell, now in use, is a molded liner constructed from three-ply rubber, approximately 316 in thick. The liner configuration varies with the aircraft and its capacity ranges from 100 to 300 gal. The standard test procedures was followed according to Military Specifications, whereby a 'Fuel Cell Drop Area' was designed and constructed. The test specimen rests on a wooden platform, capable of being raised to a maximum heigh of 44 ft., from which it is released to free fall, guided by four cornered positioned 116-in steel cables onto a non-deforming base. Initial experimentation was conducted on spherical membranes filled with water so that our preliminary data would not be complicated with flow in corners, as is present in the typical rectangular fuel cell. (DePo)
Experimental investigation of simulated helicopter fuel cell impact phenomenon
Experimentelle Untersuchung des simulierten Aufprallphaenomens bei dem Tankraum eines Hubschraubers
ASME-Papers ; Jun ; 1-8
1978
8 Seiten, 10 Bilder, 1 Tabelle
Conference paper
English
SIMULATED AND EXPERIMENTAL INVESTIGATION OF HELICOPTER BEHAVIOUR AFTER ENGINE FAILURE
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