Braking Systems in Aerospace Engineering


Flying needs speed of aerospace engineering. And in all conditions speed need break. It is really important to be able to stop when you wanted. High speed of flying and heavy nature of aircraft requires advanced breaking systems in aerospace engineering. Take off, landing and flying have own heavy-duty situation.

An aircraft has different braking systems. Each system is used during different operations and situations of flight. Disc brakes, thrust reversers and air brakes are common braking systems that used in an aircraft. However there are different aircraft braking systems that used in aerospace engineering designs like drogues parachutes. Disc braking systems that have hydraulic or pneumatic operations are used during landing. Thrust reversers are braking systems of aircraft engines. And air brakes are a key technology for flight control surfaces.

Beyond Aerospace Engineering: Operational Side of Braking

In every aircraft breaking is tested with full flying weight. An aircraft that has traditional aerospace engineering braking system design is operated in same way. At first slowing: Reversers help slowing of aircraft and cannot stop aircraft. It is possible to slow down an aircraft by using reversers until 125 km/h. But during flight reversers have safe guards to prevent accidental operations. During take off because of safety brake systems are actively used up to 350 km/h which is known as “decision” speed to fly. Stopping an aircraft has basic philosophy like car driving. There is a pressure-based disc braking systems. Except slowing down and stopping it is important to use air-braking systems during flight.

State of Art Brake Control Systems in Aerospace Engineering

Modern aircrafts are much more bigger and faster than their first rivals. However limitation of runway and weight is another point need to be considered in engineering of aircraft. In this viewpoint it is important to have state of art materials and developments in braking systems. Wear resistant, light weight and efficient braking systems are emerging technologies of aerospace engineering.

Brake by wire and fly by wire are state of art braking technologies that are used in aircrafts. These systems, which are heavily based on sensors, are lack of control. It helps pilots during all weather and flight controls but still needs improvement for optimum application.

Multi-Layer Technology is a state of art brake system technology

Multi-Layer Technology is a state of art brake system technology

Typical braking system controlled by many different equipment. One way or later main idea of braking is clear: Stopping is far more important than flying. Because of that wear resistant materials are used in braking systems. Multi layer material applications are state of art braking system in aerospace engineering. Friction force is another side of braking systems. Having an efficient braking system is highly depended on applied pressure. Most of the pistons that push force for braking are made from high-tech ceramics. An aircraft has nearly 20 seconds for stopping. During stopping nearly 70 millions of joules energy (50% of it is in 6.5 seconds of flight) is absorbed by braking systems.

Braking is more complicated than basic details. Speed is good if you can stop. Aerospace engineering technology is working to give more confidence with new developments.

Click here to learn more about : Composites in Aerospace Engineering.  In order to find out our key article, please click here: Aircraft Emissions

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I am an experienced metallurgical, material engineer and passioned about aerospace. Currently working as a production engineer and writing articles here to share my knowledge
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