Libros de ingeniería, página 269 de 987

This book studies methods for a robust design of rotors against self-excited vibrations. The occurrence of self-excited vibrations in engineering applications if often unwanted and in many cases difficult to model. Thinking of complex systems such as machines with many components and mechanical contacts, it is important to have guidelines for design so that the functionality is robust against small imperfections. This book discusses the question on how to design a structure such that unwanted self-excited vibrations do not occur. It shows theoretically and practically that the old design rule to avoid multiple eigenvalues points toward the right direction and have optimized structures accordingly.This extends results for the well-known flutter problem in which equations of motion with constant coefficients occur to the case of a linear conservative system with arbitrary time periodic perturbations.

Libro práctico, con indicaciones exactas para hacerse un hormo de barro. Valioso por su ahorro en frustraciones y trabajo. Las abundantes y agradables ilustraciones son una guía estupenda para finalizar con exito nuestro proyecto. Hornos y pan ejemplifican como simples conexiones entre la tierra y la comida, a traves de sencillas y apropiadas tecnicas, pueden curar muchas enfermedades. La publicacion en 1984 de Laurel s Kitchen Bread Book trajo a la luz las virtudes de usar harinas integrales en la elaboracion del pan y, por primera vez, publico una receta, o mas bien un proceso, para hacer panes leudados de manera natural. Estos panes requerian un fuego de leña, un horno de ladrillo o de barro y ayudaron a expandir la revolucion de la "masa madre acida". El libro de Kiko devuelve informacion basica sobre estos hornos (y una aproximacion basica al buen pan integral) a los hogares, para que asi las familias puedan verse facultadas para hacer su propio y saludable pan.

Guia de automovil

El autor expone ejemplos tomados de su propia labor pericial no incluidos en publicaciones anteriores, tanto de las arquitectónicas – cuaderno naranja- como de las urbanísticas – cuaderno verde-; per

El libros esta dirigido a estudiantes de ingeniería mecánica, de manufactura, industrial, aeroespacial, metalúrgica y de materiales, así como de ingeniería biomédica. Al igual que e ediciones anteriores, se presenta una vision general de esta disciplina , con enfasis en una cobertura especialmente cualitativa de la ciencia, la tecnologia y la practica de la manufactura.Este primer volumen se enfoca en la tecnologia de materiales con temas y casos reales a traves de situaciones que se presentan en la industria manufacturera.El texto ha sido revisado y actualizado totalmente.

Ingenieria industrial

The structural materials used in airframe and propulsion systems influence the cost, performance, and safety of aircraft, and an understanding of the wide range of materials used and the issues surrounding them is essential for the student of aerospace engineering. Introduction to Aerospace Materials reviews the main structural and engine materials used in aircraft, helicopters, and spacecraft in terms of their production, properties, performance, and applications.The first three chapters of the book introduce the reader to the range of aerospace materials, focusing on recent developments and requirements. Following these introductory chapters the book moves on to discuss the properties and production of metals for aerospace structures, including chapters covering strengthening of metal alloys, mechanical testing, and the casting, processing, and machining of aerspace metals. The next 10 chapters look in depth at individual metals including aluminum, titanium, magnesium, steel, and superalloys, as well as the properties and processing of polymers, composites, and wood. Chapters on performance issues such as fracture, fatigue, and corrosion precede a chapter focusing on inspection and structural health monitoring of aerospace materials.Disposal/recycling and materials selection are covered in the final two chapters. With its comprehensive coverage of the main issues surrounding structural aerospace materials, Introduction to Aerospace Materials is essential reading for undergraduage students studying aerospace and aeronautical engineering. It will also be a valuable resource for postgraduate students and practicing aerospace engineers.

This book is written as an introduction to rotor-bearing dynamics for practicing engineers and students who are involved in rotordynamics and bearing design. The goal of this book is to provide a step-by-step approach to the understanding of fundamentals of rotor-bearing dynamics by using DyRoBeS . Therefore, the emphasis of this book is on the basic principals, phenomena, modeling, and interpretation of the results. Numerous examples, from a single-degree-of-freedom system to complicated industrial rotating machinery, are employed throughout this book to illustrate these fundamental dynamic behaviors. The concepts in the text are reinforced by parametric studies and numerous illustrative examples and figures.The book begins with a brief discussion of the mathematical modeling of physical dynamic systems and an overview of the basic vibration concepts in Chapter 1.The coordinate systems and the kinematics of the rotor motion are presented in Chapter 2.A simple two-degrees-of-freedom rotor system, the Laval-Jeffcott rotor model, is utilized in Chapter 3 to demonstrate many important phenomena in rotordynamics. This simple 2DOF model provides many valuable physical insights into more practical and complicated systems.Chapter 4 discusses the rotating disk equations and rigid rotor dynamics.Chapter 5 covers the finite element formulation for a rotating shaft element.Chapter 6 deals with various types of bearings, dampers, seals and other interconnection components. All the reaction forces from these components are non-linear in nature. The concept of linearization around the static equilibrium is discussed.Chapter 7 summarizes the lateral vibration study with several practical examples. Various solution techniques and interpretation of the results are discussed.Chapter 8 is devoted to the important subject of torsional vibration. Finally, a brief description of the balancing method, influence coefficient method is presented in Chapter 9.

El libros esta dirigido a estudiantes de ingeniería mecánica, de manufactura, industrial, aeroespacial, metalúrgica y de materiales, así como de ingeniería biomédica. Al igual que e ediciones anteriores, se presenta una vision general de esta disciplina , con enfasis en una cobertura especialmente cualitativa de la ciencia, la tecnologia y la practica de la manufactura.En este segundo volumen se hace enfasis en los procesos de manufactura con temas y casos reales a traves de situaciones que se presentan en la industria.El texto ha sido revisado y actualizado totalmente.

This book presents an overall picture of both B2B and B2C marketing strategies, concepts and tools, in the aeronautics sector. This is a significant update to an earlier book successfully published in the nineties which was released in Europe, China, and the USA. It addresses the most recent trends such as Social Marketing and the internet, Customer Orientation, Project Marketing and Con current Engineering, Coopetition, and Extended Enterprise. Aerospace Marketing Management is the first marketing handbook richly illustrated with executive and expert inputs as well as examples from parts suppliers, aircraft builders, airlines, helicopter manufacturers, aeronautics service providers, airports, defence and military companies, and industrial integrators (tier-1, tier-2). This book is designed as a ready reference for professionals and graduates from both Engineering and Business Schools.

Premeti realiza las funciones típicas de este tipo de programas (mediciones, certificaciones...etc) pero además genera y soporta PRESUPUESTOS AUTOMÁTICOS y es capaz de confeccionar proyectos PREOCex en donde usted sacara partido a su experiencia.Le distingue del resto de programas del mercado su sencillez y facilidad de manejo, sin menoscabo de la potencia e innovacion.

Referencia indispensable en la ingenieria de procesos. El diseño de un sistema de control implica identificar los objetivos de control, la selección de los parámetros de medición y operación del proceso, asi como la determinacion de los lazos y la identificacion de los algoritmos que brinden el control apropiado

9788416332236. En este libro recae una profecía: si no secumple lo que hay en él escrito sobre elsocialismo y la justicia a ciencia cierta en5 años y el resto en 50 años, meterán al20% de los responsables en la carcel.La justicia a ciencia cierta se refiere acontrolar lo que la gente hace desde lossatelites y con alarmas para no tener queser vigilados. Lo mas interesante es comocon una serie de inventos faciles de hacerpara un ingeniero mejoraria la vida detodos, animales y medio ambienteincluidos, por ejemplo sustituir laelectricidad por luz solar otros como lalavadora que lava, seca y plancha enmenos tiempo que un centrifugadocomo dejarian de oler las alcantarillas oacabar con las inundaciones todo unplantel de nuevas innovaciones que hariade nuestro mundo, un lugar mejor y massostenible.

For readers of Nora Ephron, Tina Fey, and David Sedaris, this hilarious, poignant, and extremely frank collection of personal essays confirms Lena Dunham - the acclaimed creator, producer, and star of HBO''s Girls - as one of the brightest and most original writers working today."Not That Kind of Girl is hilarious, artful, and staggeringly intimate; I read it shivering with recognition." - Miranda JulyFrom the acclaimed creator, producer and star of HBO''s Girls comes a hilarious, wise and fiercely candid collection of personal essays that establishes Lena Dunham as one of the most original young talents writing today.In Not That Kind of Girl, Dunham illuminates the experiences that are part of making one''s way in the world: falling in love, feeling alone, being ten pounds overweight despite eating only health food, having to prove yourself to a room full of men twice your age, finding true love, and most of all, having the guts to believe that your story is one that deserves to be told.Exuberant, moving and keenly observed, Not That Kind of Girl is a series of despatches from the frontlines of the struggle that is growing up. "I''m already predicting my future shame at thinking I had anything to offer you," Dunham writes. "But if I can take what I''ve learned and make one menial job easier for you, or prevent you from having the kind of sex where you feel you must keep your sneakers on in case you want to run away during the act, then every misstep of mine will have been worthwhile."