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and is estimated to have increased the range by 550 km. The
Trident aerospike consists of a flat circular plate mounted on an extensible boom which is deployed shortly after the missile breaks through the surface of the water after launch from the submarine. The use of the aerospike allowed a
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Further development of this concept has resulted in the "air-spike". This is formed by concentrated energy, either from an electric arc torch or a pulsed laser, projected forwards from the body, which produces a region of low density hot air ahead of the body.
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much blunter nose shape, providing increased internal volume for payload and propulsion without increasing the drag. This was required because the
Trident I C-4 was fitted with a third propulsion stage to achieve the desired increase in range over the
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In 1995 at the 33rd
Aerospace Sciences Meeting, it was reported that tests were performed with an aerospike-protected missile dome to Mach 6, obtaining quantitative surface pressure and temperature-rise data on the feasibility of using aerospikes on
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The
Extensible Boom is the long, slender, slightly tapered cylindrical structure; the wider "underside" is mounted to the nose cone. The narrow, top end of the Boom is for mounting:
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46:"flat, circular, metallic" plates (brownish/yellow color, above). The plates are mounted perpendicular to the Vertical Axis--much like an upturned
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means 'needle'). A simplified Igla-1 version with a different kind of target seeker featured a tripod instead of a 'needle' for the same purpose.
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missile it replaced. To fit within the existing submarine launch tubes the third-stage motor had to be mounted in the center of the
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a zone of recirculating flow occurs which acts like a more streamlined forebody profile, reducing the drag.
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231:"Evaluation of Drag Reduction of Blunt Bodies at Supersonic Speeds by Counter-flow Combustion"
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251:, Aerospace Sciences Meetings, American Institute of Aeronautics and Astronautics,
289:"Experimental Results on the Feasibility of an Aerospike for Hypersonic Missiles"
245:"Experimental results on the feasibility of an aerospike for hypersonic missiles"
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322:"Wave Drag Reduction with a Self-Aligning Aerodisk on a Missile Configuration"
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54:, with the stem and base representing the Boom and plate, respectively.
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Huebner, Lawrence; Mitchell, Anthony; Boudreaux, Ellis (1995-01-09),
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At the same time (middle 1970s) an aerospike was developed in
304:"Development of the TRIDENT I Aerodynamic Spike Mechanism"
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Nasa. Johnson Space Center the 13Th
Aerospace Mech. Symp
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with the reentry vehicles arranged around the motor.
297:American Institute of Aeronautics and Astronautics
38:is the aerospike, which is composed of two parts.
34:. The thin antenna-like structure mounted on the
302:Waterman, M. D.; Richter, B. J. (January 1979).
316:National Aeronautics and Space Administration
78:ahead of the body. Between the shock and the
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249:33rd Aerospace Sciences Meeting and Exhibit
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233:AIAA 2002-3296, Accessed 3 September 2010
133:), giving the name to the whole system (
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66:) used to reduce the forebody pressure
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229:Golovitchev, V.I., Tretjakov, P.K.,
30:first launch on 18 January 1977 at
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121:(in order to diminish heating of
50:, the container representing the
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90:This concept was used on the
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330:Progress in Flight Physics
212:Index of aviation articles
74:. The aerospike creates a
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159:Missiles with aerospikes
16:Not to be confused with
60:drag-reducing aerospike
112:surface-to-air missile
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26:
108:KB Mashinostroyeniya
350:Aircraft components
110:(KBM) for the 9M39
70:of blunt bodies at
257:10.2514/6.1995-737
188:UGM-133 Trident II
101:post-boost vehicle
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72:supersonic speeds
62:is a device (see
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266:2060/20040111232
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183:UGM-96 Trident I
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92:UGM-96 Trident I
68:aerodynamic drag
64:nose cone design
28:UGM-96 Trident I
18:Aerospike engine
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270:, retrieved
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97:Poseidon C-3
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129:and reduce
86:Development
339:Categories
272:2020-04-01
218:References
155:missiles.
153:hypersonic
172:(MANPADS)
170:9K38 Igla
131:wave drag
116:9K38 Igla
36:nose cone
206:See also
80:forebody
52:nosecone
135:Russian
127:fairing
125:seeker
119:MANPADS
194:France
325:(PDF)
307:(PDF)
292:(PDF)
164:USSR
140:игла
261:hdl
253:doi
114:of
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309:.
259:,
247:,
177:US
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58:A
44:2)
40:1)
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