Claus Weiland's Books

Mechanics of Flow Similarities

By: Claus Weiland

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Mechanics of Flow Similarities

By: Claus Weiland

The mechanics of similarity encompasses the analysis of dimensions, performed by various procedures, the gasdynamic similarity and the model technology. The analysis of dimensions delivers the dimensionless numbers by which specific physical challenges can be described with a reduced number of variables. Thereby the assessment of physical problems is facilitated. For fluid dynamics and all sorts of heat transfer the discipline of the mechanics of similarity was so important in the past, that the historical background is highlighted of all the persons who have contributed to the development of this discipline. The goal of the classical gasdynamic similarity was to find rules, which enables the aerodynamic engineer to perform transformations from existing flow fields to others, which meet geometrical and other specific flow field parameters. Most of these rules and findings do no longer play a role today, because a lot of potent experimental and theoretical/numerical methods are now available. This problem is addressed in the book. A recent investigation regarding the longitudinal aerodynamics of space vehicles has revealed, that there exist other astonishing similarities for hypersonic and supersonic flight Mach numbers. It seems, that obviously most of the longitudinal aerodynamics is independent from the geometrical configurations of the space vehicle considered, if a simple transformation is applied. A section of this book is devoted to these new findings.

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Page Count

199

Publisher

Springer Nature

Published Date

ISBN 10

303042930X

ISBN 13

9783030429300

Aerodynamic Data of Space Vehicles

By: Claus Weiland

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Aerodynamic Data of Space Vehicles

By: Claus Weiland

The capacity and quality of the atmospheric flight performance of space flight vehicles is characterized by their aerodynamic data bases. A complete aerodynamic data base would encompass the coefficients of the static longitudinal and lateral motions and the related dynamic coefficients. In this book the aerodynamics of 27 vehicles are considered. Only a few of them did really fly. Therefore the aerodynamic data bases are often not complete, in particular when the projects or programs were more or less abruptly stopped, often due to political decisions. Configurational design studies or the development of demonstrators usually happen with reduced or incomplete aerodynamic data sets. Therefore some data sets base just on the application of one of the following tools: semi-empirical design methods, wind tunnel tests, numerical simulations. In so far a high percentage of the data presented is incomplete and would have to be verified. Flight mechanics needs the aerodynamic coefficients as function of a lot of variables. The allocation of the aerodynamic coefficients for a particular flight operation at a specific trajectory point is conducted by an aerodynamic model. The establishment of such models is described in this book. This book is written for graduate and doctoral students to give them insight into the aerodynamics of the various flight configurations. Further for design and development engineers in industry and at research institutes (including universities) searching for an appropriate vehicle shape, as well as for non-specialists, who may be interested in this subject. The book will be helpful, too, in the case that system studies require in their concept phases the selection of suitable vehicle shapes.

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Page Count

360

Publisher

Springer Science & Business Media

Published Date

ISBN 10

3642541682

ISBN 13

9783642541681

Computational Space Flight Mechanics

By: Claus Weiland

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Computational Space Flight Mechanics

By: Claus Weiland

Themechanicsofspace?ightisan olddiscipline.Itstopicoriginallywasthemotion of planets, moons and other celestial bodies in gravitational ?elds. Kepler’s (1571 - 1630) observations and measurements have led to probably the ?rst mathematical description of planet’s motion. Newton (1642 - 1727) gave then, with the devel- ment of his principles of mechanics, the physical explanation of these motions. Since then man has started in the second half of the 20th centuryto capture ph- ically the Space in the sense that he did develop arti?cial celestial bodies, which he brought into Earth’s orbits, like satellites or space stations, or which he did send to planets or moons of our planetary system, like probes, or by which p- ple were brought to the moon and back, like capsules. Further he developed an advanced space transportation system, the U.S. Space Shuttle Orbiter, which is the only winged space vehicle ever in operation. In the last two and a half decades there were several activities in the world in order to succeed the U.S. Orbiter, like the HERMES project in Europe, the HOPE project in Japan, the X-33, X-34 and X-37 studies and demonstrators in the United States and the joint U.S. - European project X-38. However, all these projects were cancelled. The motion of these vehicles can be described by Newton’s equation of motion.

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305

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Springer Science & Business Media

Published Date

ISBN 10

3642135838

ISBN 13

9783642135835

Selected Aerothermodynamic Design Problems of Hypersonic Flight Vehicles

By: Ernst Heinrich Hirschel,Claus Weiland

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Selected Aerothermodynamic Design Problems of Hypersonic Flight Vehicles

By: Ernst Heinrich Hirschel,Claus Weiland

In this book selected aerothermodynamic design problems in hypersonic vehicles are treated. Where applicable, it emphasizes the fact that outer surfaces of hypersonic vehicles primarily are radiation-cooled, an interdisciplinary topic with many implications.

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Page Count

512

Publisher

Springer Science & Business Media

Published Date

ISBN 10

354089974X

ISBN 13

9783540899747

Managing Organizational Responsiveness

Toward a Theory of Responsive Practice

By: Claus Jacobs

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Managing Organizational Responsiveness

Toward a Theory of Responsive Practice

By: Claus Jacobs

Responsiveness - conceived of as an organization's ability to listen, understand and respond to demands put to it by its stakeholders - has become a crucial, yet underresearched concept in strategic change and organization development. Claus Jacobs develops a concept of enactive responsiveness that transcends the traditional stimulus-response metaphor by re-introducing the dialogical and relational dimensions of responsiveness.

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Page Count

165

Publisher

Springer Science & Business Media

Published Date

ISBN 10

3322811190

ISBN 13

9783322811196

Bone Diseases

Macroscopic, Histological, and Radiological Diagnosis of Structural Changes in the Skeleton

By: Claus-Peter Adler

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Bone Diseases

Macroscopic, Histological, and Radiological Diagnosis of Structural Changes in the Skeleton

By: Claus-Peter Adler

A comprehensive description of macroscopic, microscopic, and radiological methods for the diagnosis of bone diseases. The book presents all the procedures involved in diagnosis, using not only radiological and histological techniques, but also modern immunohistochemical and scintigraphic methods. Succinct and well-structured therapeutic recommendations are provided for an array of bone diseases, making this a practice-oriented reference work for pathologists, radiologists, rheumatologists, and orthopedists.

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