Aircraft Engineering and Aerospace Technology: Volume 69 Issue 2

FANPAC

John Hutchinson

Examines the problem of noise level of civil aircraft engines. Focuses on two aspects of aircraft fan noise: cabin noise and community noise. Outlines the FANPAC programme…

Airport noise monitoring ‐ a review

Alan D. Wallis

Suggests that before measurement of noise can be implemented all “non‐aircraft noises” must be eliminated. Sets out various approaches to the problem of airport noise: the…

Vibrations in helicopters ‐ reduction and monitoring

Terry Ford

Describes the Westland active control of structural response (ACSR) technique for reducing and alleviating vibration. Examines a refined coupled rotor/flexible fuselage model…

Engine vibration analysis

Terry Ford

Describes the piezoelectric accelerometer used for vibration monitoring and analysis and discusses its use. Reports on an advanced technique developed by Rolls‐Royce for…

Systems design for an advanced short take‐off vertical landing combat aircraft ‐ Part 3

Howard Smith

Reports on the MSc group design project of students at the College of Aeronautics, Cranfield University. Details the design of the aircraft systems and their reliability and…

Fusible coring ‐ practical for forming one‐off structures

Glyn Morgan

Reviews the state of fusible‐core technology and describes various techniques: core casting, overmoulding and melt‐out. Suggests that fusible coring for small runs can make a…

Cutting head design lowers abrasive waterjet cutting costs

Paul Etchells

Describes the technique of waterjet cutting and explains recent developments in the cutting head. Discusses the advantages of the new heads and gives typical parameter…

Effective decision making in the defence industry

Teresa A. Omar, Brian H. Kleiner

Decision making is one of the most important functions performed by a manager in the defence industry. Decision‐making authority is increasingly being delegated to the “empowered”…

Support ‐ a systems approach

Brian Baker

Suggests that the maintenance sector will be under strain as sales of aircraft continue to rise. Points out that many companies will need to update their paper‐based systems as…