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Aerospace Sensors by Alexander Nebylov

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Chapter 2

Air pressure-dependent Sensors

Ben Evans

Swansea University, United Kingdom

Joe Watson

Swansea University, United Kingdom (Retired)

2.1 BASIC AIRCRAFT INSTRUMENTATION

Although most modern aircraft currently feature electronic displays, often referred to as “glass cockpits,” in place of traditional mechanical instruments, many of the actual sensors that provide the initial transduction processes have remained essentially unchanged since the early days of aviation. In particular, the measurement of altitude and airspeed may rely on sensors responding to air pressure, and the relevant sensors utilize both barometric and manometric technologies, as will be explained in this chapter. Many other sensing devices are utilized in modern aircraft, ...

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