Differentiate between airbreathing and non air breathing aircraft?

Answer 1

Air-breathing combustion engines

air breathing engine are combustion engines that use the oxygen in atmospheric air to oxidize ('burn') the fuel carried, rather than carrying an oxidizer, as in a rocket. Theoretically, this should result in a better specific impulse than for rocket engines.

A continuous stream of air flows through the Air-breathing engine. This air is compressed, mixed with fuel, ignited and expelled as the exhaust gas. Thrust produced by a typical air-breathing engine is about eight times greater than its weight.[citation needed] The maximum velocity of Air-breathing engines is limited to 1-3 km/s due to extreme temperature and dissociation of the exhaust gas; however, the maximum velocity of a hydrogen-breathing engine of the same design is about 4 times higher.[citation needed]

Examples

Typical air-breathing engines include:

• Reciprocating engine
• Steam engine
• Gas turbine

duct jet engineTurbo-propeller engine

• IRIS engine
• Pulse detonation engine
• Pulse jet
• Ramjet
• Scramjet
• Liquid air cycle engine/Reaction Engines SABRE