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Airplanes --- Welding.

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Reliability Based Aircraft Maintenance Optimization and Applications presents flexible and cost-effective maintenance schedules for aircraft structures, particular in composite airframes. By applying an intelligent rating system, and the back-propagation network (BPN) method and FTA technique, a new approach was created to assist users in determining inspection intervals for new aircraft structures, especially in composite structures. This book also discusses the influence of Structure Health Monitoring (SHM) on scheduled maintenance. An integrated logic diagram establishes how to incorporate SHM into the current MSG-3 structural analysis that is based on four maintenance scenarios with gradual increasing maturity levels of SHM. The inspection intervals and the repair thresholds are adjusted according to different combinations of SHM tasks and scheduled maintenance. This book provides a practical means for aircraft manufacturers and operators to consider the feasibility of SHM by examining labor work reduction, structural reliability variation, and maintenance cost savings. Presents the first resource available on airframe maintenance optimization Includes the most advanced methods and technologies of maintenance engineering analysis, including first application of composite structure maintenance engineering analysis integrated with SHM Provides the latest research results of composite structure maintenance and health monitoring systems

Airplanes --- Airframes. --- Maintenance and repair.

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The present book describes the development history of turbojet engines, mainly in the web-type triangle Great Britain (USA) - Germany - Switzerland from early beginnings in the 1920s up to the first practical usage in the 1950s, before the still unbroken, grand impact of aero propulsion technology on global air traffic started. interconnections are highlighted, including the considerable impact of axial-flow compressor design know-how of the Swiss/German company BBC Brown Boveri & Cie. on both sides. The author reveals significant undercurrents which led to a considerable exchange, and thus change in understanding of the technical-historical perspective, especially in the decisive years before WWII, and thus closes gaps in the unilateral views of this ground-breaking technical advancement. The old ‘Whittle vs. von Ohain Saga’ is not repeated in full, but addressed in sufficient detail to understand the considerably enlarged narrative scope. The Target Groups Specialists in aviation technology and jet engines as well as technology historians Interested beginners with some mechanical engineering background The Author Prof. Dr.-Ing. Dietrich ECKARDT has more than forty years of professional experience in turbomachinery research, in German turbojet engine and Swiss power generation gas turbine industry. He is winner of the 2017 ASME engineer-historian award. The Answer to a Frequently Asked Question ‘German historians are not easily moved to ... praise German science, technology and industry, not because Germany lost the war, but because those have been contaminated to their very core by the crimes of the Nazi regime. To always remind of the crimes whenever achievements are pointed out has become a specific art of German historians which has resulted in a number of methodological and theoretical innovations. ... Thus we have created a history of German science, technology and industry which is less shining and less glamorous, sometimes of a German thoroughness, but cautiously depicted and balanced.’ Professor Dr. Lutz Budrass, Historisches Institut der Ruhr-Universität Bochum.

Space research --- Astronomy --- Materials sciences --- Applied physical engineering --- Motorcars engineering --- Transport engineering --- Engineering sciences. Technology --- Air traffic --- Production management --- History --- astronauten --- DFMA (design for manufacture and assembly) --- geschiedenis --- technologie --- engineering --- luchtvaart --- machines --- ingenieurswetenschappen --- ruimtevaart --- Airplanes --- Turbojet engines. --- Turbojet engines --- History.