| 释义 |
yawmeter|ˈjɔːmiːtə(r)|
[f. yaw n.1 + -meter.]
An instrument used to detect changes in the direction of flow round an aircraft or other body.
1921Flight 28 July 511/1 A new direction and velocity meter (yawmeter) has recently been constructed. 1947Jrnl. R. Aeronaut. Soc. LI. 15/2 We imagine aerofoil and observer to be stationary and the aerofoil to be immersed in a stream of air of speed V normal to the span..the direction of the stream being made known to the observer by, for example, a yawmeter. 1969Jrnl. Physics E ii. 989/1 Calibration of the instrument as a yawmeter. Most of the tests on the instrument have been made near the outlet end of an open water channel. 1983Ibid. XVI. 231/1 (heading) A yawmeter for steady and low-frequency unsteady flows. |