Airbus Operations Gmbh

Robert Case

George Edmond

Rhona Whitlock

John Monteith

Michael Dawson

A metering apparatus for determining a characteristic of a fluid, such as the volumetric flow rate, flowing through a non-linear section of a pipe is disclosed having a first strain gauge mountable to the non-linear section of the pipe offset from the bending neutral axis of the non-linear section of the pipe, to detect a bending force on the non-linear section of the pipe induced by the inertia of the fluid flowing through the pipe. A second strain gauge is mountable to the pipe disposed on the bending neutral axis of the non-linear section of the pipe, to detect at least one of the hoop strains, longitudinal strains and radial strains imparted on the pipe by the pressure of the fluid flowing through the pipe. A controller is configured to determine the mass flow rate of fluid flowing through the pipe based on the bending force determined by the first strain gauge and the at least one of the hoop strains, longitudinal strains and radial strains determined by the second strain gauge.

Metering apparatus for and method of determining a characteristic of a fluid flowing through a pipe

A glazing unit is provided in which a two part bush is provided such that relative movement between a fastener, a glazing component and a wing skin is permitted, thus avoiding stress concentrations and lowering risk of damage in use.

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Bristol, United Kingdom

Robert Case