This book compares tow perfusion based bioprocesses for their ability to use lower temperature and pH- values to improve volumetric productivity after an initial growth phase under standard conditions. For that CHO cells cultivated on microcarriers with a fluidised bed reactor were compared against CHO cells suspended in a continuously stirred tank reactor with an ultrasonic cell retention device. Cell culture conditions were changed to a temperature of 33 degrees Celsius and a pH-value of 6.9 in the later cultivation phase. This led to reduced media consumption and increased volumetric productivity. Данное издание не является оригинальным. Книга печатается по технологии...
ISBN: 978-3-6392-2947-9
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Книга по требованию
Дата выхода: июль 2011
Spherical beamforming using spherical loudspeaker arrays is a relatively new technique in audio engineering. It can provide variable sound-radiation in all spatial directions. It is for example used to achieve a more adequate reproduction of complex instrument sounds, in room acoustics and also in musical and artistical performances. In his book, the author Michael Kerscher first describes a new possibility of constructing such an array. The implemented array is not based on the Platonic solids - as most other systems are - but uses 16 loudspeakers. Subsequently he demonstrates how the radiation properties of the array can be pre-estimated with an appropriate simulation. The two final chapters deal with an over-all system control. The...
ISBN: 978-3-6392-7945-0
Издательство:
Книга по требованию
Дата выхода: июль 2011
Frederic P. Miller, Agnes F. Vandome, John McBrewster
High Quality Content by WIKIPEDIA articles! Compendex, the computerized version of the Engineering Index, is a comprehensive engineering bibliographic database. Compendex is an index of engineering materials started in 1884, compiled by hand under the original title of Engineering Index. As Compendex it is now published by Elsevier. The name "Compendex" stands for COMPuterized ENgineering inDEX. Compendex currently contains over 9 million records and references over 5,000 international sources including journals, conferences and trade publications. Approximately 500,000 new records are added to the database annually from over 190 disciplines and major specialties within the engineering field. Coverage is from 1969 to the present, and is...
ISBN: 978-6-1327-8713-2
Издательство:
Книга по требованию
Дата выхода: июль 2011
Mechanisms with flexible joints are widely used in high precision systems, because the flexible joints provide high resolution, frictionless, smooth and continuous motion. These kinds of mechanisms are also cheaper than the other types of high precision mechanisms which use rigid joints. The main idea of these kind joints is that the deflections of the flexible elements provide the desired motion. In this work, a brief introduction of these mechanisms is given. The advantages and challenges of compliant mechanisms are discussed. The problems and their possible solutions proposed in the literature are introduced and the analysis of some representative high precision stages in the market and various flexure based mechanisms are presented....
ISBN: 978-3-8383-2859-1
Издательство:
Книга по требованию
Дата выхода: июль 2011
Carbon fibre reinforced polymer matrix composites are currently standard structural materials for aircraft applications due to their high potential for weight savings and improved fatigue behaviour. Conventional autoclave processing cannot meet the increasing demand of advanced composite structures due to its associated high equipment, labour cost and long cycle times. QuickstepTM offers an alternative to autoclave technology and provides high heating and cooling rates by utilising fluid to transfer heat to and from composite components. This book, therefore, investigates the mechanical performance of CFRP composites produced by Quickstep in comparison with those manufactured by autoclave and hot press processes. Systematic mechanical...
ISBN: 978-3-8383-2926-0
Издательство:
Книга по требованию
Дата выхода: июль 2011
Frederic P. Miller, Agnes F. Vandome, John McBrewster
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Component-based software engineering (CBSE) (also known as component-based development (CBD)) is a branch of software engineering which emphasizes the separation of concerns in respect of the wide-ranging functionality available throughout a given software system. This practice aims to bring about an equally wide-ranging degree of benefits in both the short-term and the long-term for the software itself and for organizations that sponsor such software. Данное издание не является оригинальным. Книга печатается по технологии...
ISBN: 978-6-1328-4787-4
Издательство:
Книга по требованию
Дата выхода: июль 2011
Frederic P. Miller, Agnes F. Vandome, John McBrewster
High Quality Content by WIKIPEDIA articles! Each compressor (or fan) in a gas turbine engine has an operating map. Complete maps are either based on compressor rig test results or are predicted by a special computer program. Alternatively the map of a similar compressor can be suitably scaled. Typical high pressure compressor map, Compressor maps are important, since they are an integral part of predicting the performance of a gas turbine engine, both at design and off-design conditions. Fans and turbines also have operating maps, although the latter are significantly different in appearance to that of fans and compressors. Данное издание не является оригинальным. Книга печатается по...
ISBN: 978-6-1338-9936-0
Издательство:
Книга по требованию
Дата выхода: июль 2011
In this work, the concept of evolutionary search is utilized as a versatile CFD solver. Specifically, a real-coded genetic algorithm, mimicking the natural evolution process, is used to minimize the residuals resulting from a finite difference discretization. While most gradient-based methods can suffer from divergence or slow convergence, the evolutionary solver's heuristic nature allows it to avoid solving the resulting systems of equations, thereby precluding many convergence difficulties and avoiding stiffness-related problems. Furthermore, these stochastic optimization techniques work around many stability issues in computational fluid dynamics. A number of new, unitary as well as binary, GA operators are proposed, explained and...
ISBN: 978-3-8433-5519-3
Издательство:
Книга по требованию
Дата выхода: июль 2011
In the present textbook a computational method in deriving stress and strain functions related to Fracture Mechanics is considered. This textbook contains a compilation of work available in the literature in a scatter form and, to a certain extent, selected experimental data of many researchers to justify the theoretical and computational fracture mechanics models in solving crack problems. It is a self-contained and detailed textbook for the reader (senior and graduate students, and engineers) involved in the analysis of failure using a computational approach for designing against fracture. In the present textbook, the author has attempted to cover the basic concepts of fracture mechanics for the linear elastic regime, and finite...
ISBN: 978-3-8443-0136-6
Издательство:
Книга по требованию
Дата выхода: июль 2011
Majority of the current numerical simulation methods for time-dependent flows are limited to second order accuracy in time discretization. Moreover, usual simulation methods rely on explicit time discretization methods for which numerical stability of solution is generally guaranteed only with very small time step sizes. Major commercial CFD software programs provide options for implicit time advancing, but the accuracy is limited to second order in time. In this book a stable simulation method is proposed that can be used to achieve arbitrarily high order of accuracy in time advancement in simulation of time-dependent flows and heat transfer. The strategy is to combine the state-of-the-art mathematical tools with proven flow simulation...
ISBN: 978-3-6392-1171-9
Издательство:
Книга по требованию
Дата выхода: июль 2011
Computer Aided Design (CAD) and Computer Aided Engineering (CAE) are two significantly different disciplines, and hence they require different shape models representations. As a result, models generated by CAD systems are often unsuitable for Finite Element Analysis (FEA) needs. In this book, a new approach is proposed to reduce the gaps between CAD and CAE software's. There is based on new shape representation called mixed shape representation. This later supports simultaneously the B-Rep (manifold and non-manifold) and polyhedral representation, and creates a robust link between the CAD model (B-Rep NURBS) and the polyhedral model. The both representations are maintained on the same topology support called the High Level Topology...
ISBN: 978-3-6392-2561-7
Издательство:
Книга по требованию
Дата выхода: июль 2011
Computational Intelligence (CI) is an exciting new area of research. There are several techniques being researched in this book were used Fuzzy Theory, Decision Trees and Neural Networks. The three techniques have been employed successfully in several applications in the areas of automation and control, pattern recognition, speech recognition, fault detection, classification, among others. The Fuzzy Theory can also be incorporated into decision trees, increasing their representation power and applicability. The neural networks have shown great results in the learning of functions and classification problems. This book show the application of three techniques for Intelligent Computation in glass manufacturing processes. Данное...
ISBN: 978-3-6393-0714-6
Издательство:
Книга по требованию
Дата выхода: июль 2011
Frederic P. Miller, Agnes F. Vandome, John McBrewster
High Quality Content by WIKIPEDIA articles! Quelle que soit sa taille, un bateau est toujours constitue par divers elements constitutifs. On trouve un flotteur, solide ferme assurant l'etancheite, constitue principalement de la coque et eventuellement d'un pont la recouvrant. Il dispose d'un systeme propulsif, souvent d'un systeme directionnel. Suivant l'utilisation du bateau, on trouve ensuite divers locaux, espaces, machines et equipements lui permettant d'assurer sa fonction. Le flotteur doit avoir pour premiere caracteristique d'etre plus leger que le poids d'eau correspondant a son volume, afin que la poussee d'Archimede lui permette de flotter. La coque peut prendre plusieurs formes, de simples rondins de bois assembles ensemble...
ISBN: 978-6-1318-4128-6
Издательство:
Книга по требованию
Дата выхода: июль 2011
Rolling bearings are the most important machine elements. Proper functioning of a machine depends on condition of bearings. Vibrations help in diagnosing various faults in machines. Therefore, vibration based condition monitoring is the most popular method to know health of any machine. However, as found from the literature, vibration monitoring and diagnostics of faults in tapered roller bearing is not well established. This book is therefore focused on vibration based condition monitoring of tapered roller bearings. It presents results of experiments performed towards diagnosis of defects in tapered roller bearings using vibration analysis. The bearing vibration data are analyzed using various time and frequency domain techniques. The...
ISBN: 978-3-8383-5794-2
Издательство:
Книга по требованию
Дата выхода: июль 2011
Gerson Flavio Mendes de Lima, Alexandre Cardoso, Edgard Lamounier Jr.
When dealing with engineering design, a professional has to consider both engineering and geometric constraints. Engineering constraints represent a set of properties such as performance, weight whereas geometric constraints represent geometrical relationships between graphical design objects such as tangency and parallel. Thus, it is important to provide engineers with computer tools that are able to handle the coupling and the management of these constraints. This is no different for telecomunication engineering projects. The objective of this book is to present a constraint-based data model to support the design of Hybrid Fibre Coaxial (HFC) for electronic TV network. The book also shows how the proposed techniques can be implemented...
ISBN: 978-3-8383-2886-7
Издательство:
Книга по требованию
Дата выхода: июль 2011
It is of paramount importance to have an accurate and reliable fracture assessment code to reach an optimum design. Such an assessment enables design engineers to predict the exact conditions causing a cracked component to fracture. Therefore,lighter yet safer structures can be manufactured. The available fracture criteria implemented in the fracture assessment codes are not ideal by any means and need improvement. It has long been known that plastic constraint effects should be considered if a more accurate fracture criterion is to be proposed, yet there is still no widely accepted parameter to quantify it. This book is aimed to quantify the constraint level properly. After quantifying constraint for both in-plane and out-of-plane...
ISBN: 978-3-6393-0534-0
Издательство:
Книга по требованию
Дата выхода: июль 2011
Machine vision (MV) is the application of computer vision to industry and manufacturing. Machine Vision is a subfield of engineering that encompasses computer science, optics, mechanical engineering, and industrial automation. One of the most common applications of Machine Vision is the inspection of manufactured goods such as semiconductor chips, automobiles, food and pharmaceuticals. Just as human inspectors working on assembly lines visually inspect parts to judge the quality of workmanship, so machine vision systems use digital cameras, smart cameras and image processing software to perform similar inspections.The machine vision system which is capable of detecting contaminants present in the liquid contained bottles used to give...
ISBN: 978-3-8433-6160-6
Издательство:
Книга по требованию
Дата выхода: июль 2011
Frederic P. Miller, Agnes F. Vandome, John McBrewster
High Quality Content by WIKIPEDIA articles! Contact mechanics is the study of the deformation of solids that touch each other at one or more points. The physical and mathematical formulation of the subject is built upon the mechanics of materials and continuum mechanics and focuses on computations involving elastic, viscoelastic, and plastic bodies in static or dynamic contact. Contact mechanics is foundational to the field of mechanical engineering; it provides necessary information for the safe and energy efficient design of technical systems. Данное издание не является оригинальным. Книга печатается по технологии принт-он-деманд после получения...
ISBN: 978-6-1336-1395-9
Издательство:
Книга по требованию
Дата выхода: июль 2011
Beam shaping and beam steering, together called beamforming, is needed when processing radio-frequency signals from phased array antennas. This can be achieved in the optical domain, by tuning an OBFN. The tuning of such a network is the task of a control system. That system is the topic of research in this assignment. It enables thermo-optical tuning of ring resonator based OBFNs. The context, design and implementation of the control system are studied. Measurements are described to show the correct working of the implemented prototype. The control system may be used in the future in an airborne application, and may form part of a system that provides services such as radio, television, and internet access to en route aircraft. The...
ISBN: 978-3-8383-6759-0
Издательство:
Книга по требованию
Дата выхода: июль 2011
Frederic P. Miller, Agnes F. Vandome, John McBrewster
High Quality Content by WIKIPEDIA articles! The Continental O-190 (Company designations C75 and C85) is a series of engines made by Continental Motors beginning in the 1940s. Of flat-4 configuration, the engines produced 75 hp (56 kW) or 85 hp (63 kW) respectively. The two variants shared the same bore, stroke and compression ratio. The C-85 produced ten extra horsepower by virtue of having a maximum permissible rpm of 2575 versus the 2275 of the C75. The C75 was in production from 1943 to 1952 and the C85 from 1944 to 1970. Данное издание не является оригинальным. Книга печатается по технологии принт-он-деманд после получения заказа.
ISBN: 978-6-1339-6357-3
Издательство:
Книга по требованию
Дата выхода: июль 2011