für 61.20€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray India being predominantly agricultural country requires major attention for the fulfillment of energy demands of a farmer. Irrigation is the bottleneck of Indian agriculture, it has to be developed on a large scale, but at the same time diesel fuel consumption must be kept to a minimum level because of the price of diesel and its scarcity. Finding an alternative fuel for diesel fuel is critically important for our nation`s economy and security. The complete substitution of oil imports for the transportation and agricultural sectors is the biggest and toughest challenge for India. Vegetable oils are renewable in nature and can be directly used as fuels in diesel engines. One such potential being non-edible oil extracted from the seeds of Honge oil (Pongamia pinnata). With the use of Honge oil as an alternative to diesel, and biomass derived from Honge tree, a farmer can become self- sufficient in his energy requirements. Moreover, he would also be contributing towards a healthier environment and thereby reducing the dependence of the nation on other countries for oil imports. ····· 10361113689
für 61.20€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray The convergence of telecommunication, computing, wireless, and transportation technologies facilitates that our roads and highways can be both our communications and transportation platforms. These changes will completely revolutionize when and how we access services, communicate, commute, entertain, and navigate, in the coming future. The specific characteristics of vehicular networks favor the development of attractive and challenging services and applications. In this book we focus on safety applications. Specifically, we develop and evaluate a novel protocol to improve safety on the road. Our proposal combines location information of vehicles, and roadmap scenario characteristics, to improve warning message dissemination. In safety- based applications for vehicular networks our approach is able to reduce the broadcast storm problem while maintaining a high message dissemination effectiveness towards surrounding vehicles. Finally, we assess the performance of our proposed protocol using our enhanced simulation platform, evidencing the importance of an adequate simulation framework to achieve more realistic results and draw more meaningful conclusions. ····· 10361113613
für 53.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Inlet air cooling of gas turbine is one of the most probable improvements in power station especially in Egypt. For example in north Cairo power station which has four gas turbines the rating output of one of them is 250 MW but at 45ºc atmospheric temperature the output is 230 MW and at 16ºc atmospheric temperature is 260 MW this different is enough for region as Aswan. The main effect of increasing atmospheric temperature is the decrease of inlet mass flow rate, increasing compressor work and decreeing turbine work .All of these decrease output power. For diesel engine the effect of inlet air temperature is exist but less than gas turbine although the same process occurs in both but in diesel engine the effect of compression is more less than gas turbine and the other process are sophisticated . So we change inlet temperature from 25ºc to 50ºc and we measure the performance of diesel engine at these temperatures. In diesel engine the most benefits is the decreasing of fuel consumption at constant load at decreasing inlet air temperature especially at full load. ····· 10361113268
für 53.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray This monograph is focused on the improvement of the modern navigation systems. In aeronautics high precision is very essential. Global Positioning System (GPS) has revolutionized the navigation systems. In this study GPS position measurements obtained from a GPS receiver, are improved using Kalman Filter based Satellite Distances method. The GPS receiver provides us with both available satellite positions and the position of the receiver. Using this information in the Kalman Filter a better position compared to the GPS receiver alone was aimed. In the monograph the integration of two navigation systems ADS and GPS was aimed. ADS is a widely used navigation system which measures static and total air pressure and the air temperature. ADS has high sampling frequency and poor accuracy, on the other hand, GPS has high accuracy compared to ADS but lower sampling frequency. Kalman Filter is used to integrate and minimize the errors of the two navigation systems. By this integration a navigation system with high sampling frequency and high accuracy is aimed. Another object is to calculate the wind speed with high accuracy, which is actually the error of Air Speed measured by the ADS. ····· 10361113104
für 44.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Internal Combustion Engines are universal and find many applications mostly in automobiles and power generation. They are very complex in their working and have many parameters which affect their performance. Thus any further improvements and modifications can be done once we can get values of parameters under all operating conditions. Current technology provides many powerful tools like Digital Modules which when used along with various sensors facilitate the process of gathering these parameters, storing them and then carrying out analysis with help of computers. Our attempt was to incorporate all these devices in making a real-time system with which we can create a simple `Heat Balance Shit` of our test engine for its operating range. ····· 10361113015
für 6.99€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Im ersten Teil des Buches erzählt der Autor seine eigenen, recht lustigen Erlebnisse mit seinem ersten Auto, einem BMW 600. Der zweite Teil erzählt von Egon, der als Kind seinen Vater durch einen Verkehrsunfall verliert und sich in seinem späteren Leben Gedanken über ein neues Verkehrssystem macht. ····· 10361112062
für 29.03€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray In der Gegenwart werden BRT und Straßenbahnen immer mehr in chinesischen Städten eingeführt. Die Beiden gehören zu den schnellen und mittel-kapazitiven Nahverkehrssystemen und haben damit viele Gemeinsamkeiten, aber auch Un-terschiede. Wenn eine Stadt ein schnelles und mittel-kapazitives Nahverkehrs-system einbauen möchte, müssen die Entscheidungsträger zwischen BRT und Straßenbahn erwägen und auswählen.
Mit dieser Frage nimmt diese Arbeit mittelstufige BRT und moderne Straßenbah-nen als Untersuchungsobjekt. Zunächst werden die Definition, Geschichte, Zu-sammensetzungen, Spektrum und Stufe, Funktionen und Bedeutung der BRT- und Straßenbahnsysteme dargestellt. Dann werden die beiden schnellen und mittel-kapazitiven Nahverkehrssysteme von fünf Aspekten- technische Funktion, Investitionskosten, Energieverbrauch und Umweltschutz, Anpassungsmöglichkei-ten und Betrieb und Management aus mehreren Punkten wie Beförderungsfähig-keit in China detailliert und umfassend verglichen. Daraus ergeben sich die relati-ven Vor-und Nachteile von beiden.
Auf dieser Grundlage wird das Auswahlmodell mit Hilfe von dem Analytischen Hierarchieprozess (AHP) aufgebaut. Vergleich und Auswahl der schnellen und mittel-kapazitiven Verkehrssysteme gehören zur Entscheidungsfragen mit mehre-ren Zielen und einer begrenzten Anzahl von Alternativen. AHP gemäß wird die hierarchische Struktur gebildet, die detaillierten und umfassenden Indikatoren zusammengestellt und das Indikatorsystem gebaut. Das Modell wird auf den kon-kreten Fall in der Stadt Changzhou angewendet. Zuletzt ergibt sich das Ergebnis, welches schnelle und mittel-kapazitive Verkehrssystem für den Verkehrskorridor in der Stadt Changzhou besser geeignet ist. Zuletzt werden Erfahrungen und Probleme bei der Entwicklung der schnellen und mittel-kapazitiven Verkehrssys-teme in China zusammengefasst und in Bezug auf den Status quo und künftige Entwicklungsrichtungen Ideen und Empfehlungen gegeben. Die Schwerpunkte der Arbeit liegen in dem detaillierten Vergleich des BRT und Straßenbahn aus verschiedenen Aspekten und Konstruktion und Anwendung des Auswahlmodells mit Hilfe von AHP. ····· 10361111547
für 71.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray This book deals pedestrian passive safety with regard to child pedestrian. Author s effort was aimed at research of children anatomy, biomechanics and impact kinematics as continuous research initiated in diploma thesis. Clinical study data processing of patients hospitalized in Anaesthetic resuscitation clinic in Motol s faculty hospital in Prague and several forensic expert studies offered source materials for child pedestrian injury spectra assignment. Related to the fact that current legal certification procedure concerning children passive safety is based on child head form test only, series of dynamical passive safety tests of vehicle M1 category collision with child dummy P6 were performed. The dummy was modified according to non-standard data acquisition demands related to locations. Based on real tests parameters mathematical simulation of primary collision in PAM-CRASH with MADYMO coupling was performed. There was used currently existing finite element model of vehicle front part and P6 dummy from MADYMO database. The aim of the simulation was to compare several data measured within dynamic tests and their completion. ····· 10361103107
für 71.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Automobile industry of any country is considered to be an indicator of its economic situation. This is due to the fact that mobility is one of the prime requirements of mankind. The same applies to Indian Automobile Industry also. Its performance can be correlated to the health of the economy. In the past three years when the economy grew well above 8%, the industry moved ahead at a fast clip [growth rate of 20% in year 2004~05]. All this could be attributed to the good economic scenario, favorable Govt. policies and leverage of the tremendous potential by car makers in India. Even in the present economic scenario when we are witnessing unprecedented global economic meltdown, Indian Automobile Industry is still expected to report positive growth. The entire supply chain consisting of raw material suppliers, logistic providers, components makers and system suppliers, provides a large number and quantity of parts to the car makers typically on Just-In-Time basis. The current scenario clearly suggests that there is a tremendous potential of becoming a global player for the auto component companies based in India. ····· 10361102704
für 61.20€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Mechanical Engineering Design is the first edition of a largest old preocupation of the authors in this field. It presents the design of the Otto Motors, kinematics and dynamics, a new Otto engine, the efficiency of the engines with internal combustion, the design of the V engines, the design of the distribution mechanisms, the design of the power train and the design of the drivetrain. It presents as well the design of the planetary trains with their real efficiency. The book has 14 chapters. Since the predominant component in all chapters is the dynamics, the book might be called and dynamic design in mechanical engineering. The first chapter presents an original method to determine the efficiency of the gear, the forces of the gearing, the velocities and the powers. Synthesis of classical planetary mechanisms is usually based on kinematic relations, considering in especially the transmission ratio input-output achieved. The planetary mechanisms are less synthesized based by their mechanical efficiency developed in operation, although this criterion is part of the real dynamics of mechanisms, (see the fourth chapter). ····· 10361102458
für 71.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray This book introduces the importance of tire road Interaction during different operating condition of vehicle steady motion and transient behavior. A mathematical representation of the physics of a tire element was introduced. A simulation was built to show tire acceleration, steady state and deceleration during ordinary vehicle movement with the loading conditions considered. The tire physical parameters were identified through a very simple lab testing to simulate the exact tire behavior. The book, also, provides a general introduction to experimental tire behavior during different operating conditions. Many previous tire modeling and empirical formulas have been added. The mathematical equations of the spokes tire model were presented. This book will be helpful for students concerned with vehicle dynamics and vehicle modeling, identifying stress on tires during operating conditions and stimulation of road tire interaction forces and tire slip during acceleration, breaking and cornering. Tire designers may also find this book quite useful. ····· 10361102333
für 61.20€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray This thesis deals with the modeling, control and estimation of semi-active automotive suspensions in order to improve the comfort and roadholding level of the vehicles. The main contribution is a complete observer and controller design methodology, allowing to improve the performance of the vehicle while using a reduced number of sensors. The proposed strategy is based on an observer, a main controller, and local controllers for each suspension. The controllers and observers are synthesized to take the actuators limitations and their bandwidth into account. The H synthesis method, applied to Linear Parameter Varying (LPV) systems is used to develop the controllers. This formulation, applied to the damper models, allow to take their nonlinearities into account during the synthesis. Furthermore, the H method suits this application, since the suspensions performance specifications are generally given in the frequency domain. Various experimental results are given and commented for the observer, and some simulations are presented for the vehicle controllers. ····· 10361102116
für 71.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray The work presented in this book describes the specific steps undertaken to design and test two spool type control valves that will be part of Amsted Rail`s innovative vertical hydraulic damper system. The design challenge lies in the requirement that these spool valves must maintain a linear relation between pressure drop, flow rate, and position, during the extension and retraction cycles of the hydraulic damper. To this end, a series of laboratory experiments were conducted on spools having different land geometries in order to acquire the optimum apertures that will produce the desired performance based on simulation data provided by Amsted Rail. The effect of the working fluid temperature on the performance of the two designed spool valves was also investigated. Experimental testing was successful in identifying two spool valves that meet the provided design criteria within 2% for AW46 hydraulic oil working fluid at a temperature of 25°C (77°F). ····· 10361102051
für 61.20€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray The continuing quest for aluminum castings with enhanced mechanical properties for applications in the automotive industries has intensified the interest in Al Si alloys. However, the commercial application of these materials depends on the control of the structure of the shape and distribution of the eutectic silicon particles in the matrix, as also by the intermetallics phases that occur upon solidification. Thus, the book was designed with the aim of understanding how alloying elements, trace elements, and heat treatment influence changes in the microstructure and, consequently, the performance of hypoeutectic and near-eutectic Al-Si alloys. Microstructural examination was carried out using optical microscopy, image analysis, and electron probe microanalysis (EPMA), wavelength dispersive spectroscopic (WDS) analysis facilities. By examining the mechanical properties of Al-Si alloys in conjunction with microstructure this book provides a valuable description of the development and behaviour of these materials ····· 10361101901
für 71.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Nowadays, the world faces unprecedented challenges in social,environmental and economic dimensions. In particular, the automotive industry confronts a moment of crises, and based on the ecodesign it has been transforming the challenges in opportunities. In this context, the use of natural fibers has presented several advantages to design `greener` automotive components. Thus, this work presents an integrated approach to introduce environmental concerns in SMEs, based on natural composite materials. Jute fibers were investigated to replace glass fibers as reinforcement to produce structural composites. The surfaces of the jute fibers were modified by treatments, improving their wetting behaviour and the mechanical properties of the composites. The characterization of the composites was obtained different tests and methods. Through an automotive case study, the results show the importance of the environmental parameters for the project. They demonstrated the advantages of replacing glass fiber for jute fiber composites to produce the enclosures of the Buggy case study, corroborating with the Triple Bottom Line concept. ····· 10361101832
für 53.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray `As the current economic condition of the country places increasing stress on the public s finances, elected officials are demanding that public transportation agencies effectively prioritize projects, and show that their expenditures are achieving their intended outcomes. At the same time, the continued reduction in transportation funding has led to growing traffic congestion, as increases in road mileage is not keeping pace with traffic demand. The combination of these trends has placed a tremendous burden on roadway agencies to effectively defend their congestion management programs and congestion relief project selection. Dr. Qu s book answers key questions about the use of travel time performance measures for project selection and performance reporting. Her book shows that local differences in the definition of congestion do not significantly effect the selection of projects so long as congestion is defined equally among all potential projects. This removes a key objection to the use of travel time performance measures in project identification and selection, and allows the next leap forward in the use of performance measures.` Mark Hallenbeck, Director, TRAC-UW ····· 10361100377
für 44.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Every developed nation on earth had a gradual development where the agriculture sector is developed first then Industry, services and finally tourism. Western world had an advantage of this gradual development. This makes them very influential even in modern era. But in India as part of colonisation the westerners brought the industrial development. And India had an uneven growth in different sectors even today. Service sector has overtaken all other industries over there. These factors cost the Country doing a fatal error of neglecting the manufacturing. Since no original product was manufactured there was no requirement for a new design. This cost us loosing the link between the traditional design and the modern mass-produced products. It is very important to find the missing link and to re-establish the evolution of design. Here is an attempt to validate if Indian design is applied to transportation design. ····· 10361100318
für 44.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Intercity buses travel about 250 to 350 km in a stretch and usually are of sleeper coach mode. The exterior styling, sleeper comfort and aerodynamically efficient design for reduced fuel consumption are the three essential factors for a successful operation in the competitive world. The bus body building companies prioritizes the exterior looks of the bus and ignore the aerodynamic aspect. Scientific design of sleepers for increased comfort of the passengers is seldom seen. The overall aim of this project was to redesign an intercity bus with enhanced exterior styling, reduced aerodynamic drag and increased comfort for the passengers. ····· 10361100236
für 44.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Jacobsen is the one of the high-quality turf-equipment providers with powerful brand such as walking greens, riding greens and fairway mowers, as well as utility vehicles, sprayers and aerators. In the competitive market, existing rotary multi deck mower productivity is lower because of lesser cutting width. Competitors tend to lead this market segment because of their large cutting width mowers. It is required to evaluate the possibility of redesigning the blade diameter to increase width of cut. A new layout is generated for the deck assembly locations. Static structural analysis is done for the existing chassis by using ANSYS 12.0 and HYPERMESH 9.0 in which failure locations were identified. Redesign the chassis by using NX-6. Decision to migrate to hydraulic gear pump was made due to additional deck assembly design requirements. Wing arm assembly is designed for the new rear deck assembly. 7 decks with blade diameter of 68 mm (26.62 ) the width of cut achieved is 3.9m (153 ), and productivity increased by70%. 7 decks with blade diameter of 59 mm (22.38 ) In this configuration the width of cut achieved is 3.1 m (123.7 ) and productivity increased by 36.7%. ····· 10361100226
für 44.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray The rising number of sensors, actuators and ECUs over the last few years, has increased the complexity of automotive network. Moreover, multiple network systems are used in today s cars to meet the different requirements coming from the applications. While Controller Area Network (CAN) is the traditional automotive field-bus, Local Interconnect Network (LIN) provides a low-cost network solution. Network gateway ECU optimizes the cost and efficient management of the complex data exchanges between many ECUs in vehicle. A gateway Electronic Control Unit (ECU) is a central network interconnecting system to link various field buses in a vehicle. As Gateway ECU inevitable even for low cost vehicle in future, a proposal is discussed in this book of a gateway ECU to interconnect CAN and LIN field buses. The proposed gateway ECU has optimal functionality considering the cost competitiveness of low price vehicle segment and this proposal should help automotive community to trigger technology evolution ideas for low price applications. ····· 10361100164
für 44.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Transportation by Ship continues to be increasing on a rapid level in spite of the evolution of Modern Day Aircrafts and Cars. Cargo Ships, Naval Ships, Passenger/Cruise Ship and Fishing Vessels are the commonly seen ships nowadays. The Power involved in the operation of a Ship is considerably high. The propellers require a source of input for operation. The primary constraints involved in the Ship are the Speed of the Ship and the Power Required for Propelling the Ship forward. A small study was carried out and it was found that the maximum speed in a modern day ship of above 10,000 Tonnes capacity is around 30 knots. An innovative idea for the movement of the Ship is discussed in the following book. The concept of Blade-Slider Mechanism and a Passageway along the Ships axis incorporating a Pump-Nozzle Arrangement is introduced and dealt in detail. Also, a floating test was carried out, in order to ensure that the Ship doesn t sink due to the incorporation of the Passageway along the Axis. The Principle of operation behind these two modes of operation is explained and the Results obtained by incorporating these two new innovative methods are found out. ····· 10361100124
für 44.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray This research study sought to evaluate the impact of fleet management as a competitive tool in the Zimbabwean Road Haulage Industry for the reference of further improvement of Transport Companies in Zimbabwe. Zimbabwe s Haulage Sector has high level of inefficiency and ineffectiveness in its fleet management. This inefficiency is mainly caused by poor vehicle maintenance, poor briefing and debriefing of drivers, routing and scheduling, fuel management and unavailability of vehicle financing reserves.Due to the shrinking competitiveness of Zimbabwe s Haulage Industry in the SADC region, this research aims To identify the variables of fleet management in the road haulage industry To determine the impact of fleet management as a competitive tool in the haulage industry To identify the road haulage drawbacks. To establish ways of improving the effectiveness of fleet management in the Zimbabwean Haulage Industry. Descriptive survey was used in this study with the aim of discovering people s knowledge, preferences, opinions and views of fleet management in the Haulage Industry of Zimbabwe. ····· 10361100086
für 44.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray The fatigue problem of rail road wheel which is often referred as rolling contact fatigue is caused by repeated contact stress during the rolling motion. This rolling contact fatigue of rail wheel may cause severe damage to rail wheel, rail, train suspension and sometimes derailment of train. Proper prediction of rail wheel fatigue life and incorporation of appropriate measures to avoid rail wheel are very important issue to be addressed. the proper understanding of underlined mechanism of rolling contact fatigue requires detailed knowledge of interaction of wheel and rail. ····· 1036199992
für 53.10€ kaufen ···· Rheinberg-Buch.de - Bücher, eBooks, DVD & Blu-ray Aerodynamic Design of cars is crucial as it directly affects the fuel economy & stability in motion .Therefore it is necessary to have a clear understanding of external aerodynamics of road vehicles which are nearer to bluff bodies .Also wind resistance is amongst the three significant factors (Efficiency of engine , weight & aerodynamic drag ),which influence the fuel efficiency .Therefore needs a proper focus in the early stage of design .Authors have tried to provide insight into Design Process. ····· 1036199902· 1 ·· 2 ·· 3 ·· 4 ·· 5 ·· 6 ·· 7 ·· 8 ·· 9 ·
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