AEROSPACE 410

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AEROSPACE 410 AEROSPACE PROPULSION Lecture
(10/25/2002) RAMJET ANALYSIS IDEAL RAMJET
AND ACTUAL RAMJET DESIGN Dr. Cengiz Camci
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RAMJETS WITH SUBSONIC COMBUSTORS
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Possible Ramjet configurations
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IN ORDER FOR A RAMJET TO BE OPERATIONAL A
FLIGHT SPEED OF AT LEAST SONIC VELOCITY IS
REQUIRED Appr. 740 miles/hour
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A MAJOR DRAWBACK OF A RAM JET IS ITS
HIGH RATE FUEL CONSUMPTION
A RAM JET UNIT CAN PRACTICALLY REACH MACH 5
(LOW HYPERSONIC) AERODYNAMIC FRICTION WILL
MELT ANY RAMJET STRUCTURE DESIGNED FOR MACH3-4
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RAM JET SYSTEM DEVELOPED BY MARQUARDT AIRCRAFT
COMPANY BO-MARC PROGRAM BOEING UNIV. OF
MICHIGAN AERONAUTICAL RESEARCH CENTER LONG RANGE
INTERCEPTOR
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EARLY BOMARC SUPERSONIC RAM JET MACH 2.0 _at_
48,000 Feet 48 inch ramjet FINAL FLIGHT MACH
2.5 _at_ 42,000 feet 31 miles
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FUEL INJECTORS
Solid propellant Is cast into the special
cavity In the core of the engine
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VIEW FROM RAMJET EXHAUST NOZZLE (FROM OUTSIDE)
Throat of Supersonic nozzle
SOLID PROPELLANT ROCKET ENGINE
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MACH 3.95 _at_ 55,000 FEET MACH 2.94 _at_
95,000 FEET
RAMJET
X-7 CONFIGURATION 2000 mph
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RAMJETS START AT SONIC VELOCITY AT ABOUT 740
MILES/HOUR
BO-MARC
TAKE-OFF WITH A SOLID ROCKET BOOSTER
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FIRST MODERN CRUISE MISSILE
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BRITISH RAM-JET DEVELOPMENTS
THOR
RED- DUSTER SAM
SEA-DART
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THOR RAMJET DEVELOPMENT
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SEA-DART
MACH 3.5 design
High altitude interceptor
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Solid rocket booster
ODIN RR ramjet
SURFACE TO AIR RAM-JET MISSILE SRARM
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SEA DART
LAND DART
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RED-DUSTER
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