für 44.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray The work presents the development of an aircraft Braking Control System Hydraulic model for a real time simulation application. The tool used is Simscape, an object oriented tool which supports the engineer in analysing systems behaviour by representing physical systems in virtual models. The model is a development of a complex non-real time model built in LMS Amesim. A process of simplification and validation in order to reach high reliability, stability and real-time simulation capabilities has been applied. The process starts with the validation of single components and ends with the modelling of the whole system. Particular attention and time have been spent on the creation and the validation of the servovalves, which were designed from very complex Amesim component models only available as non accessible `black-boxes`. The purpose of the work is to develop a model running with the specified time-characteristic in order to be implemented in a test platform, where the whole Landing Gear system can be tested. The book is suitable for engineers who are involved in the development of real-time systems or in working out the inside structure of non-accessible models. ····· 10361134276
für 71.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Supply chain management aims to add value across the supply chain and customer service is a major strategic issue. Supply chains are complex and subject to variables of forecast, supply, process, and transportation which can lead to problems such as the bull whip effect, product lateness, damaged goods and stock outs. A key issue is how to monitor and control performance across the chain and meet customer s needs. In this work an order fulfillment model using Design for six sigma, which focuses on customer requirements from design onset and fuzzy logic, which accounts for the variable supply chain environment, is presented. By applying the model in a case study, a representation of detailed activities of order fulfillment processes is demonstrated providing key internal and external performance indicators. A theoretical transfer function for predicting the performance of the perfect order incorporating fuzzy set theory provides a way of monitoring supply chain performance. This is an effective way to monitor and control order fulfillment variables, optimise the order fulfillment process, meet customer requirements and make incremental step towards supply chain integration. ····· 10361134200
für 53.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Sustainable development decision making should consider the possible impact on three roots of sustainability: environment, society and economy. One always must keep in mind that what the impacts of him/her decision are toward future generations. Mangers of any manufacturing company are now aware of the importance of manufacturing their products using a sustainable approach so that they can move toward sustainable manufacturing. One important step to achieve this goal is to control the impact of their manufactured products toward three dimensions of sustainability. A twofold case study was conducted on an automotive product integrated with a fuzzy evaluation method based on LCA principals: (1) sustainability assessment of current design and identifying the weak points (2) improving the identified weak point and reassessment of its sustainability index. A Graphical User Interface was developed based on MATLAB coding in order to facilitate the product sustainability assessment. Outcomes of this case study show that how a simple improvement in material selection can contribute toward sustainable product development. ····· 10361133920
für 44.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray This review presents the results obtained and the deductions made from a series of microstructural studies to determine Eutectic Cell Count (ECC), Dendrite Arm Spacing (DAS), and Grain Size (GS) of hypoeutectic gray cast iron which was sand cast using metallic, non metallic, water cooled and sub- zero (Cryogenic) end chills. Analysis of the data on chilled cast iron show that the cooling rate has a marked effect on eutectic cell size, dendrite spacing and grain size. It is observed that, the number of eutectic cells as an index of graphite nucleation and the effect of these on structure and properties, since the eutectic cells are developed on the graphite nuclei during solidification. The review suggest that some of the graphite in the structure of cast iron form more readily as a result of the decomposition of carbides during and after solidification process rather than being an outcome of the direct growth of the graphite form the liquid. It was found that microstructure, DAS, ECC and GS are highly dependent on the location of the casting from where the test samples were taken (chill end) and also on the chilling rate. ····· 10361133902
für 71.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Simulation is the imitation of the operation of a real-world process or system over time. The act of simulating something first requires that a model be developed this model represents the key characteristics, behaviors and functions of the selected physical or abstract system or process. The model represents the system itself, whereas the simulation represents the operation of the system over time. Simulation is used in many contexts, such as simulation of technology for performance optimization, safety engineering, testing, training, education, and video games. Often, computer experiments are used to study simulation models. Simulation is also used with scientific modeling of natural systems or human systems to gain insight into their functioning, as in economics. Simulation can be used to show the eventual real effects of alternative conditions and courses of action. Simulation is also used when the real system cannot be engaged, because it may not be accessible, or it may be dangerous or unacceptable to engage, or it is being designed but not yet built, or it may simply not exist. ····· 10361133897
für 44.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray After two decades of development, the Lattice Boltzmann method has gain noticeable popularity as an alternative numerical approach for modeling the fluid flow. The main objective of this research is to study the contaminated flow removal from rectangular cavity and the effects of Reynolds varying on the removal percentage. In this research, solid-fluid flow analysis using lattice Boltzmann method, is offered for over cavity flow by considering different Reynolds numbers with different cavity aspect ratios. This research intends to provide the liquid and solid particle interaction investigation results by employing the Lagrangian point force approach for the particle s trajectory analysis in both lid driven cavity flow and flow over cavity. ····· 10361133799
für 44.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Mechanics of materials and its application is met in almost every branch of engineering industry, so that practitioners in other fields find that they have to become aware of its principles, uses and limitations. This book aims to introduce students and professionals in other disciplines to the fundamentals of the subject, without involving the reader too deeply in theory. The subject matter is laid out in logical order and covers the main uses and types of Mechanics. This issue has also included the Mohr s Circle and applications. The book gives worked examples of many practical applications and shows options that are available for the solution of problems in Engineering materials. It is not possible for these pages to contain enough information to design a complete system. The design principles are outlined. ····· 10361133644
für 44.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Lean manufacturing uses less of everything compared to mass production i.e. reduce in human effort, manufacturing space, investments on tools and equipment, processing time that its popularity has shown itself as an important production method in industries. There have been numerous reports of the positive outcomes enjoyed by manufacturers result of implementing lean manufacturing. This book provides a value stream mapping (VSM) of a printer box production where causes that lead to waste are identified and minimized using the lean manufacturing technique. The study defined, measured and analyzed problems in the production. Improvements alternatives are proposed to improve the production line using eVSM software where the current VSM and that of the new production line are established. Differences between them are identified where the benefits of the later are highlighted and suggested to the company. ····· 10361133624
für 44.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray On-the-fly laser drilling provides a highly productive method for producing hole clusters (pre-defined groups of holes to be laser drilled) on free-form surfaced parts, such as gas turbine combustion chambers. Although the process is capable of achieving high throughputs, current machine tool controllers are not equipped with appropriate trajectory functions that can take full advantage of the achievable laser drilling speeds. While the problem of contour following has received previous attention in time-optimal trajectory generation literature, on-the-fly laser drilling presents different technological requirements, needing a different kind of trajectory optimization solution, which has not been studied prior to this book. Trajectories for individual hole clusters are optimized by minimizing the integral square of the 4th time derivative, and by adjusting the velocity and acceleration conditions at the hole locations to enable the maximum time compression (i.e., highest laser pulsing frequency). Axis constraints are also considered. Individually optimized clusters are stitched together using time-optimal segments with nonzero velocity boundary conditions. ····· 10361133563
für 61.20€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Free-form machining is one of the most commonly used manufacturing processes by several industries, such as automotive, aerospace, die and mold. It is critical, but often difficult, to select applicable cutting conditions to achieve high productivity while maintaining high quality of parts. It is essential to optimize the feedrate to improve the machining efficiency. Conservative constant feedrate values have been mostly used up to now because of lack of physical models and optimization tools. Commonly used CAM programs are based on the geometric and volumetric analysis, but they do not concern the physics of the free-form machining process. The new approach introduced in this book is based on the mechanics of the process. The cutting force based models in which feedrate is set to values which keep either average or instantaneous machining forces to prescribed values. In this book, both feedrate scheduling strategies are compared theoretically and experimentally for ball-end milling of free-form surfaces. A new mathematical model is also introduced for predicting the form errors which affect the surface quality and productivity in free form machining with ball-end milling. ····· 10361133531
für 53.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray The book is designed to serve as a textbook for students of mechanical and metallurgical engineering. The book generally provides the methods of development of Polymer composites (epoxy filled)and evaluation of the various mechanical properties of developed composite. The book describes the statistical techniques, probability plots with the help of Matlab Software. Book also describes the use of Fly Ash (waste product from power plants) in the developed composites. ····· 10361133518
für 44.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray The aim of this project is to develop a prototype Intelligent Microphone System . The system is able to adjust the height of the microphone automatically to suit the different speaker s height so that manual adjusting is not need, which is more reliable and time effective. This height detection is done by means of continuous monitoring the audio signal produced by the speaker while speaking.Unlike the existing microphone system, this project aims to use BASIC Stamp 2P 40-pin to decide whether the audio level is high or low and according to that it controls the motor. Motor is using power screw method for vertical translation and eventually the microphone moves up or down accordingly. Unfortunately the prototype described in this thesis does not fully minimize the noise level. So as a matter of fact the noise level is also affects the system. But solution to this problem is also described as a feature improvement. Moreover many calibrations were held for the system. In the end it can be conclude that this project will be useful in the daily life, which means no need to adjust the microphone stand manually. ····· 10361133478
für 61.20€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray The fusion of thermal and visible imagery combines the useful information contained in each wavelength in one image. However, image fusion is complex process because it should decide on the data value and content of each input image then combine them in real-time. Current work introduces a real-time implementation of an intelligent fusion routine capable of applying the thermo-plasticity analysis to evaluate a stamping process, while using the visible data to decide on any defectives accurate location. The book also discusses another fusion implementation for vehicular night vision systems, which can combine the information from reflective and emissive objects in real-time while identifying pedestrians and other objects using its temperature signature and morphology (shape). ····· 10361133460
für 44.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Designing a complete Distribution Network requires critical analysis of both Qualitative and Quantitative factors. Quantitative factors constitute impact on cost of distribution network while qualitative factors have impact on the service level issues. Since, this book deals with a practical industrial problem. Therefore I have taken up a case of Pakistan Tobacco Company, a Subsidiary of British American Tobacco, a Multinational Operating in Pakistan since its birth. It is a FMCG company manufacturing tobacco products in Pakistan. This book studies the impact of different factors on designing of distribution network and then formulates the mathematical model for determines transportation schedule, number of distribution channels in a Distribution Network. In this study, we focused on the minimizing the total distribution network cost by adopting the techniques of Mathematical programming and challenging distribution cost. ····· 10361133409
für 53.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray When designing mechanical control system, the designer is inevitably led to face the problems of kinematics, dynamics, and control. These subjects are explained with two practical application case studies. One is a spatial motion simulator, and the other is an inertially stabilized system (ISS) for tracking radar. Both two applications have many similar and opposite aspects in the point of kinematics, dynamics, and control. For kinematics, motion simulator is a parallel kinematic structure and a non real time problem, but the ISS is a serial and requires a real time computation to compensate the rigid body base motion. The dynamics of motion simulator is nonlinear, and it is derived by Lagrangian equation. But flexible dynamics of ISS can be approximated by Newtonian mechanics. In the control of motion simulator, a robust PID controller is designed, and tuning law and the performance limitations are described. The robust controller of ISS is used to cope with the flexibility uncertainty and to stabilize the line of sight of radar antenna. In addition, performance enhancement method is presented by using disturbance observers to compensate the actuator nonlinearities. ····· 10361133403
für 53.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray In this research first the analysis of integrally stiffened panel has been made using FE code ANSYS. Hoop, Axial and Radial stress are calculated for the stiffened panel subjected to internal pressure. Secondly, crack growth characteristics of the integrally stiffened panel and conventional stiffened panel based on fracture mechanics and FE analysis are investigated. A fourteen-stringer stiffened panel is analyzed for a central skin crack propagating towards the adjacent stringers. Stress intensity factors and fatigue crack propagation rates of both types of the stiffened panels are then compared. The analyses result show that integral stiffening cause higher stress intensity factor than conventional stiffened panel as the crack tip passes through the stringer and the integral stiffened panel has less damage tolerance capability than the riveted stiffened panel. Finally, the FE analysis of repaired integrally stiffened aluminum alloy panel with a circumferential crack has performed in ANSYS. The analysis results depict that the maximum von Mises stress in each component of the repaired panel is below the yield strength of the Al alloy so the repaired method is successful. ····· 10361133370
für 71.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Offshore platforms have become increasingly important to the oil and gas industry. As part of normal operating activities they are repeatedly visited by heavy vessels. This makes the rig vulnerable to collisions from these vessels. Estimating the possible ship collision damage is important in the safety and integrity assessment of a platform and also for its repair and maintenance. This book deals with the structural behaviour of tubular members of offshore structures subjected to ship collision. It covers both quasi-static and dynamic impact loadings and considers different approaches such as closed form analytical solutions. A relatively sophisticated dynamic experimental modelling and numerical simulation of the impact have also been employed to address the problem. The interaction of the existing axial load in the tubular member and the lateral impact has been thoroughly reviewed. Response of large-scale tubular frames to lateral impacts and the phenomenon of `dynamic shakedown and response adaptation` have also been addressed. The book is aimed at the practicing professional, but can also serve as a graduate level text for inelastic design of tubular structures. ····· 10361133354
für 71.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Plumbing System and its application is met in almost every branch of Construction Works, so that practitioners in other fields find that they have to become aware of its principles, uses and limitations. This book aims to introduce students and professionals in other disciplines to the fundamentals of the subject, without involving the reader too deeply in theory. The subject matter is laid out in logical order and covers the main uses and types of Plumbing System. This issue has also affected servicing and maintenance of equipment and improve efficiency in the reduction of energy use. This edition reflects these issues, whilst maintaining links with the past for users of existing plant and systems. There have also been changes in Plumbing equipment and this has been introduced to the relevant sections. The book gives worked examples of many practical applications and shows options that are available for the solution of problems in Plumbing systems. ····· 10361133343
für 61.20€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Hardened steels, like AISI H13 and D2 extensively as the hot working tools, dies and moulds due to their high hardness and heat resistant properties. However the same properties are responsible for poor machinabilty of these materials. The challenges in machining of these materials in hardened state called for many research works. This book introduces induction heating as a new online heating technique to improve machinability hardened steel AISI H13. The research work considered the influence of heating parameter - temperature and cutting parameters - cutting speed, feed and axial depth of cut on machinability parameters - surface roughness, tool life and chatter/vibration. Two different cutting tool materials, namely, TiAlN coated carbide and PCBN were used in the experimental work. Response Surface Methodology (RSM) was used to design the experiments and develop empirical mathematical models of the response parameters - tool life and surface roughness in terms of the chosen heating and machining variable parameters. Heat assisted mchining was found to have an advantage over conventional hard machining of the given hardented steel in terms of all the response parameters. ····· 10361133314
für 44.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Welding is an important process in the area of manufacturing. The defects in welding causes the entire assembly to collapse and hence it must be perfect and rigid. This book serves as a failure prevention guide for all types of welding process which will be helpful for everyone who do welding and also it will serve as a tool with complete solutions for all types of failures that may be expected or unexpected during the process. ····· 10361133292
für 53.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray This book highlights the optimization of Nd:YAG Laser welding by using Taguchi method based GRA. The aim of this research is to optimize and predict Nd: YAG laser welding process parameters with multiple quality characteristics of economically important materials in industry through application of Taguchi method based Grey Relational Analysis as a DOE approach to design the experiments and optimize the welding operation. This was achieved by controlling selected welding parameters, such as, laser pulse width, pulse height, frequency, welding speed, shielding gas flow rate, shielding gas flow angle and focus position, and thereafter, to analyse the influence of these parameters on the weld bead geometry and the mechanical properties of the welds. The material was investigated in this work was AISI 304 SS. The analysis of variance (ANOVA) is also employed to determine the contribution of each control parameter on the welding quality characteristics. For each welded joint, the main effects and the interaction effects of the process parameters on the responses were discussed and presented graphically. ····· 10361133247
für 53.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Today high competitive market needs fast, effective, high responsiveness, online interactive, 24-hours-7-days-a-week availability and easy to follow up orders processing. Supply chain management information systems are the information systems between companies that employ information and communication technology to arrange information inside & among the participators of a supply chain such as clients, sellers, providers, and distributors. Companies frequently use a portfolio of supply chain management information systems, which characteristically contain legacy systems linked by electronic data interchange, packaged applications employing Web-based exchange of information or ideas, or some other blend of information connection technology. Thus, the goal of this study is to identify the system s main elements, analyze the system s operational issues, identify the inputs and outputs for each element of the system, define the interfaces between the related activities in the system, design relation data model and develop a prototype SCMIS. It is hoped that the model that has been developed is able to integrate and enrich theories of competitive strategy, supply chain management. ····· 10361133245
für 44.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray This Book concerns floor vibration, describes the nature of floor vibration and provides options for avoiding it through design, or in the case of existing buildings, reducing or eliminating it through alterations. Excessive floor vibration has become a great problem as new rhythmic activities, such as aerobics, generators, air conditioners and long-span floor structures have become more common. The current push towards stronger concrete materials and the use of prestressing results in increasing fineness and dynamism of long-span concrete floors in buildings. Although concrete floors have a good vibration serviceability track record, this trend may lead to an increasing number of floors fails from vibration serviceability. There is a current trend towards even more slender concrete floor structures, which results in more frequent problems with their vibration serviceability. Predictive methods for vibration serviceability must consider not only the structures themselves, but also the non-structural elements which are attached to them, as these may have a significant effect on the dynamic characteristics of the floor structural system. ····· 10361132922· 1 · ::::: · 13 ·· 14 ·· 15 ·· 16 ·· 17 ·· 18 ·· 19 · ::::: · 83 ·
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