Aircraft safety measurement system

Details Aircraft safety measurement system Aircraft safety measurement system

1990-08-17

1992-03-03

Woodiel, Donald O.

Measuring and testing

Navigation

Take-off and landing monitors

73 2901, 73171, G01C 2100, G01W 114

Patent

active

050921690

ABSTRACT:
The present invention features a technique and system for achieving sufficiently stable, thick liquid films on an aircraft surface during a rain storm in flight, wherein such stable and thick films can be measured to determine liquid water content (LWC) in the air, and (by known correlation) rain fall rate. Rainfall impinging upon an airflow surface of an aircraft, such as a wing portion, is gathered and confined within a weir-like structure. The flow of the rain is constricted within this device to increase the film thickness and reduce shear between air and liquid boundaries, whereby a stable film surface for measurement is provided.

REFERENCES:
patent: 3446069 (1969-05-01), Zink
patent: 3830103 (1974-08-01), Andrjkovics et al.
patent: 3861212 (1975-01-01), Henry
patent: 3905236 (1975-09-01), Henry
patent: 3986110 (1976-10-01), Overall
patent: 4031753 (1977-06-01), Hooper
patent: 4154089 (1979-05-01), Carlos
patent: 4446721 (1984-05-01), Bruce et al.
patent: 4765187 (1988-08-01), Weinstein

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