Model tests of concepts to reduce hot gas ingestion in VTOL lift engines
Model tests of concepts to reduce hot gas ingestion in VTOL lift engines in low and cross wind conditions - graphs
Hall, G. R.↗
Engineering topics
Hall, G. R.
Publications and source records attributed to Hall, G. R..
Scaling of VTOL recirculation effects
Scaling comparison of recirculation effects of VTOL YJ-85 lift engine pod with similar small-scale simulated engine pod
Hall, G. R.↗
Model tests of concepts to reduce hot gas ingestion in VTOL lift engines
Exhaust gas ingestion suppression model tests for VTOL lift engines, measuring inlet thermal environment
Hall, G. R.↗
Recirculation effects produced by a pair of heated jets impinging on a ground plane
Exhaust recirculation effects produced by two heated jets impinging on ground plane
Hall, G. R.↗
Recirculation and ingestion characteristics of a large scale VTOL lift engine pod Topical report
Recirculation and ingestion characteristics of large scale model VTOL lift engine pod
Hall, G. R.↗
Full-scale ground proximity investigation of a VTOL fighter model aircraft
Exhaust gas ingestion characteristics and induced aerodynamics for vertical takeoff lift engine fighter model in ground proximity
Hall, G. R.↗
On the Mechanics of Transition Produced by Particles Passing Through an Initially Laminar Boundary Layer and the Estimated Effect on the LFC Performance of the X-21 Aircraft
Numerous flight tests of the X-21 aircraft have shown total loss of LFC while flying within, or in the proximity of, visible clouds. In addition, erratic LFC performance has been observed in conditions of light haze when the humidity of the air is relatively high. An investigation of the phenomena which might account for loss of LFC in or near clouds and for the erratic performance in light haze has been conducted. The phenomena considered in the investigation are classified as either thermodynamic effects or mechanical effects. The results derived from the study of thermodynamic and mechanical effects are presented with recommendations for follow-up work.
Hall, G. R.↗