دسته‌ها
تاسیسات حرارتی و برودتی مهندسی عمران مهندسی مکانیک

دانلود کتاب روش محاسبه و انتخاب پمپ pdf

دانلود کتاب روش محاسبه و انتخاب پمپ pdf

دانلود کتاب روش محاسبه و انتخاب پمپ pdf

تالیف: مهندس علی وکیلی تهامی

تعداد صفحات: 112

نوع فایل: pdf

حجم فایل: 43 مگابایت

فهرست:

1- علائم و واحدها

2- انتخاب پمپ

2-1 دبی پمپ

2-2 ارتفاع کلی پمپ

3-2 ارتفاع کلی سیستم

4-2 سرعت دورانی

5-2 انتخاب تیپ پمپ

6-2 محاسبه توان مصرفی

6-2-1 توان مصرفی پمپ

6-2-2 محاسبه قدرت موتور

7-2 منحی مشخصات پمپ

8-2 منحنی مشخصات لوله کشی (سیستم)

9-2 نقطه کار پمپ بر روی منحنی

10-2 موازی بستن پمپ

….


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مهندسی مکانیک

کتاب ماشین های پایه و نحوه کار آنها Basic Machines and How They Work

کتاب ماشین های پایه و نحوه کار آنها Basic Machines and How They Work

کتاب ماشین های پایه و نحوه کار آنها Basic Machines and How They Work

نویسنده: (by Naval Education And Training Program (Author

ویرایش: 1

سال انتشار: 1994

قیمت در آمازون: 9 دلار

تعداد صفحات: 178

نوع فایل: pdf

حجم فایل: 7 مگابایت

This revised edition of an extremely clear Navy training manual leaves nothing to be desired in its presentation. Thorough in its coverage of basic theory, from the lever and inclined plane to internal combustion engines and power trains, it requires nothing more than an understanding of the most elementary mathematics.
Beginning with the simplest of machines — the lever — the text proceeds to discussions of the block and tackle (pulleys and hoists), wheel and axle, the inclined plane and the wedge, the screw, and different types of gears (simple, spur, bevel, herringbone, spiral, worm, etc.).

A chapter on the concept of work discusses the measurement of work, friction, and efficiency; this is followed by investigations of power, force, and pressure, with explanations of the uses of scales, balances, gauges, and barometers. The fundamentals of hydrostatic and hydraulic machines (such as the hydraulic braking system and the hydraulic press) are discussed in detail.

The remaining chapters cover machine elements (bearings and springs), basic mechanisms (gear differential, couplings, cams, clutches), the internal combustion engine and power trains (including explanations of various transmission systems — synchromesh, auxiliary, etc.).
Every concept is clearly defined, and discussions always build easily from elementary theory to specific applications familiar to anyone with the slightest interest in mechanics.

Important concepts, machine components, and techniques are clearly illustrated in more than 200 diagrams, drawings, and cross-sections that reveal inner workings — all of these help to clarify even further an already clear and well-organized presentation.
Although it was originally designed for use in U.S. Naval Training Schools, this book can be used to great advantage as a basic text in mechanical engineering in standard technical schools, and it will be immensely valuable even to lay readers who desire a basic knowledge of mechanics.


دانلود کتاب ماشین های پایه و نحوه کار آنها Basic Machines and How They Work

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ساخت و تولید

کتاب ماشینکاری با لیزر مواد پیشرفته Laser machining of advanced materials

کتاب ماشینکاری با لیزر مواد پیشرفته Laser machining of advanced materials

ماشینکاری با لیزر از مواد پیشرفته Laser machining of advanced materials

نویسنده: (by Narendra B Dahotre  (Author), Anoop Samant (Author

ویرایش: 1

سال انتشار: 2011

قیمت در آمازون: 115 دلار

تعداد صفحات: 230

نوع فایل: pdf


Advanced materials are becoming increasingly important as substitutes for traditional materials and as facilitators for new and unique products. They have had a considerable impact on the development of a wide range of strategic technologies.

Structural ceramics, biomaterials, composites and intermetallics fall under this category of advanced materials. There may be several additional materials in this category, but this book will only focus on these four types of materials.

Even though some of these materials can be machined by conventional methods, material processing with lasers is an expanding field which is drawing attention of everyone in the industry as well as academics.

As laser machining offers several advantages such as capabilities for machining the materials that are difficult to machine otherwise and flexibility and automation, the scope for applications of these advanced materials is further extended.

  Laser Machining of Advanced Materials focuses on the fundamental principles and physical phenomena involved in the laser machining of the above mentioned advanced materials.

The book begins with an overview of the various conventional and non-conventional techniques employed in machining followed by a fundamental understanding of the material removal mechanisms involved in laser machining.

It then covers the specific topic of laser machining of advanced materials. Understanding of the physics behind laser machining of advanced materials and associated thermodynamics, heat and mass transfer and microstructure evolution is provided.

This book also covers the modeling efforts made in this field which enables a better and efficient control of the process for a desired application.


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دسته‌ها
ساخت و تولید

دانلود کتاب ماشینکاری با لیزر Laser Machining

دانلود کتاب ماشینکاری با لیزر Laser Machining

دانلود کتاب ماشینکاری با لیزر Laser Machining

نویسنده:

ویرایش:

سال انتشار:

قیمت در آمازون:

تعداد صفحات:

نوع فایل:


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دسته‌ها
مهندسی مکانیک مهندسی هوافضا

دانلود خلاصه کتاب ترمودینامیک ون وایلن ترجمه بهرام پوستی-pdf

دانلود خلاصه کتاب ترمودینامیک ون وایلن ترجمه بهرام پوستی-pdf

 

دانلود خلاصه کتاب ترمودینامیک ون وایلن ترجمه بهرام پوستی-pdf

فهرست:

فصل اول: توضیحات مقدماتی

فصل دوم: بعضی مفاهیم و تعریف ها

فصل سوم: خواص ماده خالص

فصل چهارم: کار و گرما

فصل پنجم: قانون اول ترمودینامیک

فصل ششم: تحلیل قانون اول برای حجم کنترل

فصل هفتم: قانون دوم ترمودینامیک

فصل هشتم: انتروپی

فصل نهم: تحلیل قانون دوم برای حجم کنترل

فصل دهم: برگشت ناپذیری و دسترس پذیری

فصل یازدهم: سیستم های قدرت و تبرید

فصل دوازدهم: مخلوط گازها

فصل سیزدهم: رابطه های ترمودینامیکی

فصل چهاردهم: واکنش های شیمیایی

فصل پانزدهم: مقدمه ای بر تعادل فاز و تعادل شیمیایی

فصل شانزدهم: جریان تراکم پذیر


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مهندسی صنایع مهندسی عمران مهندسی مکانیک مهندسی هوافضا

دانلود pdf جزوه مقاومت مصالح 1،2،3

دانلود جزوه مقاومت مصالح 1 و 2 و 3 pdf

دانلود pdf جزوه مقاومت مصالح 1،2،3

در اینجا سعی شده تا چندین جزوه از استادان مختلف برای درس مقاومت مصالح برای شما دانشجویان عزیز جمع آوری بشه، امیدوارم خوشتون بیاد.

آدرس url لینک دانلود جزوه مهندس رضا مطلبی-دانشگاه پیام نور رشت

http://fooji.ir.uploadboy.me/vdmtosz0isuf/Booklet-Mechanics of Materials.zip.html

آدرس url لینک دانلود جزوه مقاومت مصالح دکتر امیر عباس فاطمی دانشگاه آزاد پردیس

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آدرس url لینک دانلود جزوه مقاومت مصالح دانشگاه آزاد اهواز

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آدرس url لینک دانلود جزوه دکتر جوهر زاده دانشگاه تهران

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آدرس url لینک دانلود جزوه مقاومت مصالح 1 دکتر کبیر دانشگاه صنعتی امیر کبیر 

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مهندسی مکانیک

دانلود کتاب سنسورها و محرک ها Sensors and actuators-Engineering System Instrumentation

دانلود کتاب سنسورها و محرک ها Sensors and actuators-Engineering System Instrumentation

دانلود کتاب سنسورها و محرک ها Sensors and actuators-Engineering System Instrumentation

نویسنده : De Silva, Clarence W

ویرایش : 1

سال انتشار : 2015

فرمت : PDF

تعداد صفحه : 831

کیفیت : OCR

انتشارات : Taylor & Francis

قیمت در امازون: 152 دلار

An engineering system contains multiple components that interconnect to perform a specific task. Starting from basic fundamentals through to advanced applications, Sensors and Actuators: Engineering System Instrumentation, Second Edition thoroughly explains the inner workings of an engineering system. The text first provides introductory material―practical procedures and applications in the beginning―and then methodically integrates more advanced techniques, theory, and concepts throughout the book. Emphasizing sensors, transducers, and actuators, the author discusses important aspects of component matching and interconnection, interface between the connected components, signal modification, and signal conditioning/modification. He also addresses functions, physical principles, operation and interaction, and the proper selection and interfacing of these components for various engineering/control applications.

This second edition provides a thorough revision of the first and includes new worked examples, new applications, and thoroughly updated as well as entirely new material. In addition, it provides increased coverage of sensor systems technologies and updated coverage of computer tools, including MATLAB®, Simulink, and LabView.

What’s New in the Second Edition:

  • A new chapter on estimation from measurements, which includes various practical procedures and applications of estimation through sensed data
  • New material on microelectromechanical systems (MEMS)
  • New material on multisensor data fusion
  • New material on networked sensing and localization
  • Many new problems and worked examples
  • Chapter highlights and summary sheets, for easy reference and recollection

Sensors and Actuators: Engineering System Instrumentation, Second Edition provides users from a variety of engineering backgrounds with a complete overview of engineering system components for instrumentation. It presents current techniques, advanced theory and concepts, and addresses relevant design issues, component selection, and practical applications.


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مهندسی مکانیک

کتاب تفسیر نقشه های مهندسی Interpreting Engineering Drawings

کتاب تفسیر نقشه های مهندسی Interpreting Engineering Drawings

کتاب تفسیر نقشه های مهندسی Interpreting Engineering Drawings

نویسنده : Ted Branoff  و  Cecil H. Jensen  و  Jay D. Helsel

ویرایش : 8

سال انتشار : 2015

فرمت : PDF

تعداد صفحه : 528

کیفیت : OCR

انتشارات : Delmar Cengage Learning

INTERPRETING ENGINEERING DRAWINGS, 8th EDITION offers comprehensive, state-of-the-art training that shows readers how to create professional-quality engineering drawings that can be interpreted with precision in today’s technology-based industries. This flexible, user-friendly textbook offers unsurpassed coverage of the theory and practical applications that you’ll need as readers communicate technical concepts in an international marketplace. All material is developed around the latest ASME drawing standards, helping readers keep pace with the dynamic changes in the field of engineering graphics.


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مهندسی مکانیک

Finite Element and Boundary Methods in Structural Acoustics and Vibration-کتاب روش عنصر و مرز محدود در سازه آکوستیک و ارتعاشات

Finite Element and Boundary Methods in Structural Acoustics and Vibration-کتاب روش عنصر و مرز محدود در سازه آکوستیک و ارتعاشات

Finite Element and Boundary Methods in Structural Acoustics and Vibration-کتاب روش عنصر و مرز محدود در سازه آکوستیک و ارتعاشات

نویسنده : Noureddine Atalla و Franck Sgard

ویرایش : 1

سال انتشار : 2015

فرمت : PDF

تعداد صفحه : 470

کیفیت : OCR

انتشارات : CRC Press

قیمت در آمازون: 41 دلار


Effectively Construct Integral Formulations Suitable for Numerical Implementation

Finite Element and Boundary Methods in Structural Acoustics and Vibration provides a unique and in-depth presentation of the finite element method (FEM) and the boundary element method (BEM) in structural acoustics and vibrations. It illustrates the principles using a logical and progressive methodology which leads to a thorough understanding of their physical and mathematical principles and their implementation to solve a wide range of problems in structural acoustics and vibration.

Addresses Typical Acoustics, Electrodynamics, and Poroelasticity Problems

It is written for final-year undergraduate and graduate students, and also for engineers and scientists in research and practice who want to understand the principles and use of the FEM and the BEM in structural acoustics and vibrations. It is also useful for researchers and software engineers developing FEM/BEM tools in structural acoustics and vibration.

This text:

  • Reviews current computational methods in acoustics and vibrations with an emphasis on their frequency domains of applications, limitations, and advantages
  • Presents the basic equations governing linear acoustics, vibrations, and poroelasticity
  • Introduces the fundamental concepts of the FEM and the BEM in acoustics
  • Covers direct, indirect, and variational formulations in depth and their implementation and use are illustrated using various acoustic radiation and scattering problems
  • Addresses the exterior coupled structural–acoustics problem and presents several practical examples to demonstrate the use of coupled FEM/BEM tools, and more

Finite Element and Boundary Methods in Structural Acoustics and Vibration utilizes authors with extensive experience in developing FEM- and BEM-based formulations and codes and can assist you in effectively solving structural acoustics and vibration problems. The content and methodology have been thoroughly class tested with graduate students at University of Sherbrooke for over ten years.


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کتاب ماکرو برای انتقال میکرو حرارتی Macro-to Microscale Heat Transfer-The Lagging Behavior

کتاب ماکرو برای انتقال میکرو حرارتی Macro-to Microscale Heat Transfer-The Lagging Behavior

کتاب ماکرو برای انتقال میکرو حرارتی Macro-to Microscale Heat Transfer-The Lagging Behavior

نام کتاب : Macro-to Microscale Heat Transfer – The Lagging Behavior

نویسنده : Tzou, D. Y

ویرایش : 2

سال انتشار : 2014

فرمت : PDF

تعداد صفحه : 1298

کیفیت : OCR

انتشارات : John Wiley & Sons

قیمت در آمازون: 139 دلار


Physical processes taking place in micro/nanoscale strongly depend on the material types and can be very complicated. Known approaches include kinetic theory and quantum mechanics, non-equilibrium and irreversible thermodynamics, molecular dynamics, and/or fractal theory and fraction model. Due to innately different physical bases employed, different approaches may involve different physical properties in describing micro/nanoscale heat transport. In addition, the parameters involved in different approaches, may not be mutually inclusive.

Macro- to Microscale Heat Transfer: The Lagging Behavior, Second Edition continues the well-received concept of thermal lagging through the revolutionary approach that focuses on the finite times required to complete the various physical processes in micro/nanoscale. Different physical processes in heat/mass transport imply different delay times, which are common regardless of the material type. The delay times, termed phase lags, are characteristics of materials. Therefore the dual-phase-lag model developed is able to describe eleven heat transfer models from macro to nanoscale in the same framework of thermal lagging. Recent extensions included are the lagging behavior in mass transport, as well as the nonlocal behavior in space, bearing the same merit of thermal lagging in time, in shrinking the ultrafast response down to the nanoscale.

Key features:

  • Takes a unified approach describing heat and mass transport from macro, micro to nanoscale
  • Compares experimental results for model validation
  • Includes easy to follow mathematical formulation
  • Accompanied by a website hosting supporting material

Macro- to Microscale Heat Transfer: The Lagging Behavior, Second Edition is a comprehensive reference for researchers and practitioners, and graduate students in mechanical, aerospace, biological and chemical engineering.


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مهندسی عمران مهندسی مکانیک مهندسی نفت مهندسی هوافضا

دانلود کتاب مکانیک سیالات سنجل Fluid Mechanics Fundamentals and Applications

دانلود کتاب مکانیک سیالات سنجل Fluid Mechanics Fundamentals and Applications

دانلود کتاب مکانیک سیالات سنجل Fluid Mechanics Fundamentals and Applications

تعداد صفحات: 1031

نویسنده: (by Yunus Cengel (Author), John Cimbala (Author

نوع فایل: pdf

قیمت در آمازون: 171 دلار


Cengel and Cimbala’s Fluid Mechanics Fundamentals and Applications, communicates directly with tomorrow’s engineers in a simple yet precise manner. The text covers the basic principles and equations of fluid mechanics in the context of numerous and diverse real-world engineering examples.

The text helps students develop an intuitive understanding of fluid mechanics by emphasizing the physics, using figures, numerous photographs and visual aids to reinforce the physics. The highly visual approach enhances the learning of Fluid mechanics by students. This text distinguishes itself from others by the way the material is presented – in a progressive order from simple to more difficult, building each chapter upon foundations laid down in previous chapters. In this way, even the traditionally challenging aspects of fluid mechanics can be learned effectively.


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مهندسی مکانیک مهندسی نفت مهندسی هوافضا

کتاب ترمودینامیک ون وایلن-حل المسائل-pdf-ویرایش 6

کتاب ترمودینامیک ون وایلن-حل المسائل-pdf-ویرایش 6

کتاب ترمودینامیک ون وایلن-حل المسائل-pdf-ویرایش 6

تعداد صفحات: 2257

نوع فایل: pdf

نویسنده: (by Richard E. Sonntag (Author), Claus Borgnakke (Author), Gordon J. Van Wylen (Author

قیمت در آمازون: 31 دلار


For the past three decades, Sonntag, Borgnakke, and Van Wylen’s FUNDAMENTALS OF THERMODYNAMICS has been the leading textbook in the field. Now updated and enhanced with numerous worked examples, homework problems, and illustrations, and a rich selection of Web-based learning resources, the new Sixth Edition continues to present a comprehensive and rigorous treatment of classical thermodynamics, while retaining an engineering perspective.

The text lays the groundwork for subsequent studies in fields such as fluid mechanics, heat transfer and statistical thermodynamics, and prepares students to effectively apply thermodynamics in the practice of engineering.


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ترجمه فارسی به زودی ………………..


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تاسیسات حرارتی و برودتی

کتاب خواص حرارتی مواد جامد در اتاق و دمای برودتی Thermal Properties of Solids at Room and Cryogenic Temperatures

کتاب خواص حرارتی مواد جامد در اتاق و دمای برودتی Thermal Properties of Solids at Room and Cryogenic Temperatures

کتاب خواص حرارتی مواد جامد در اتاق و دمای برودتی Thermal Properties of Solids at Room and Cryogenic Temperatures

قیمت در آمازون: 129 دلار

نویسنده: (by Guglielmo Ventura (Author), Mauro Perfetti (Author

تعداد صفحات: 220

نوع فایل:pdf


The minimum temperature in the natural universe is 2.7 K. Laboratory refrigerators can reach temperatures in the microkelvin range. Modern industrial refrigerators cool foods at 200 K, whereas space mission payloads must be capable of working at temperatures as low as 20 K. Superconducting magnets used for NMR work at 4.2 K.
Hence the properties of materials must be accurately known also at cryogenic temperatures.

This book provides a guide for engineers, physicists, chemists, technicians who wish to approach the field of low-temperature material properties. The focus is on the thermal properties and a large spectrum of experimental cases is reported. The book presents updated tables of low-temperature data on materials and a thorough bibliography supplements any further research.
Key Features include:

-Detailed technical description of experiments
-Description of the newest cryogenic apparatus
-Offers data on cryogenic properties of the latest new materials
-Current reference review


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تاسیسات حرارتی و برودتی

کتاب ظرفیت گرمایی و انبساط حرارتی در دماهای پایین Heat Capacity and Thermal Expansion at Low Temperatures

کتاب ظرفیت گرمایی و انبساط حرارتی در دماهای پایین Heat Capacity and Thermal Expansion at Low Temperatures

کتاب ظرفیت گرمایی و انبساط حرارتی در دماهای پایین Heat Capacity and Thermal Expansion at Low Temperatures

نوع فایل:

تعداد صفحات:

قیمت در آمازون: 309 دلار

نویسنده: (by T.H.K. Barron (Author), G.K. White (Author


The birth of this monograph is partly due to the persistent efforts of the General Editor, Dr. Klaus Timmerhaus, to persuade the authors that they encapsulate their forty or fifty years of struggle with the thermal properties of materials into a book before they either expired or became totally senile. We recognize his wisdom in wanting a monograph which includes the closely linked properties of heat capacity and thermal expansion, to which we have added a little ‘cement’ in the form of elastic moduli.

There seems to be a dearth of practitioners in these areas, particularly among physics postgraduate students, sometimes temporarily alleviated when a new generation of exciting materials are found, be they heavy fermion compounds, high­ temperature superconductors, or fullerenes. And yet the needs of the space industry, telecommunications, energy conservation, astronomy, medical imaging, etc. , place demands for more data and understanding of these properties for all classes of materials – metals, polymers, glasses, ceramics, and mixtures thereof.

There have been many useful books, including Specific Heats at Low Tempera­ tures by E. S. Raja Gopal (1966) in this Plenum Cryogenic Monograph Series, but few if any that covered these related topics in one book in a fashion designed to help the cryogenic engineer and cryophysicist. We hope that the introductory chapter will widen the horizons of many without a solid state background but with a general interest in physics and materials.


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تاسیسات حرارتی و برودتی

کتاب سیستم های لوله کشی آسان Facility Piping Systems Handbook

کتاب سیستم های لوله کشی آسان Facility Piping Systems Handbook

کتاب سیستم های لوله کشی آسان Facility Piping Systems Handbook

نویسنده: by Michael Frankel

تعداد صفحات: 1228

نوع فایل: pdf

قیمت در آمازون: 60 دلار


Plan, select, design, specify, and test entire piping systems

Facility Piping Systems Handbook, Second Edition, gives you a complete design guide and reference for all piping systems, including those in laboratories, and health care facilities. This new edition includes metric units throughout; updated codes and standards; and new material on flow level measurement, drinking water systems, septic systems, and hot water circulating systems. You’ll also find helpful material on pipe space requirements and fixture mounting heights. Complete with formulas, charts, and tables that increase your on-the-job efficiency, this all-in-one Handbook by Michael Frankel provides you with:

  • Techniques for selecting appropriate piping, valves, pumps, tanks, and other equipment involved with piping systems
  • Information on heat loss, insulation, freeze protection, water treatment and purification, and filtration and separation.
  • All necessary system design criteria
  • Examples of system design procedures using actual field conditions
  • Listings of FDA, EPA, and OSHA requirements

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تاسیسات حرارتی و برودتی

دانلود کتاب شیر کمک اطمینان The Safety Relief Valve Handbook

دانلود کتاب شیر کمک اطمینان The Safety Relief Valve Handbook

دانلود کتاب شیر کمک اطمینان The Safety Relief Valve Handbook

نویسنده: by Marc Hellemans

نوع فایل: pdf

تعداد صفحات: 330

قیمت در آمازون: 116 دلار

“هندبوک شیر اطمینان” یک منبع حرفه‌ای برای مهندسین طراحی، فرآیند،‌ نیروگاه و تعمیر و نگهداری که با جریان سیال و سیستم‌های حمل و نقل در صنایع فرآیند کار می‌کنند، طراحی شده است و مواد شیمیایی، نفت و گاز، آب،‌ کاغذ و خمیر کاغذ، غذا و محصولات زیستی و سکتورهای انرژی را پوشش می‌دهد.
این کتاب نیاز مهندسانی که مسئولیت‌هایی برای تعیین‌کردن،‌ نصب و راه‌اندازی، بازرسی یا نگهداری شیرهای اطمینان و سیستم‌های کنترل جریان را دارند، پوشش می‌دهد.

The Safety Valve Handbook is a professional reference for design, process, instrumentation, plant and maintenance engineers who work with fluid flow and transportation systems in the process industries, which covers the chemical, oil and gas, water, paper and pulp, food and bio products and energy sectors.

It meets the need of engineers who have responsibilities for specifying, installing, inspecting or maintaining safety valves and flow control systems.

It will also be an important reference for process safety and loss prevention engineers, environmental engineers, and plant and process designers who need to understand the operation of safety valves in a wider equipment or plant design context.

• No other publication is dedicated to safety valves or to the extensive codes and standards that govern their installation and use. A single source means users save time in searching for specific information about safety valves.
• The Safety Valve Handbook contains all of the vital technical and standards information relating to safety valves used in the process industry for positive pressure applications.
• Explains technical issues of safety valve operation in detail, including identification of benefits and pitfalls of current valve technologies.
• Enables informed and creative decision making in the selection and use of safety valves.
• The Handbook is unique in addressing both US and European codes:
– covers all devices subject to the ASME VIII and European PED (pressure equipment directive) codes;
– covers the safety valve recommendations of the API (American Petroleum Institute);
– covers the safety valve recommendations of the European Normalisation Committees;
– covers the latest NACE and ATEX codes;
– enables readers to interpret and understand codes in practice.
• Extensive and detailed illustrations and graphics provide clear guidance and explanation of technical material, in order to help users of a wide range of experience and background (as those in this field tend to have) to understand these devices and their applications.
• Covers calculating valves for two-phase flow according to the new Omega 9 method and highlights the safety difference between this and the traditional method.
• Covers selection and new testing method for cryogenic applications (LNG) for which there are currently no codes available and which is a booming industry worldwide.
• Provides full explanation of the principles of different valve types available on the market, providing a selection guide for safety of the process and economic cost.
• Extensive glossary and terminology to aid readers’ ability to understand documentation, literature, maintenance and operating manuals.
• Accompanying website provides an online valve selection and codes guide.


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دسته‌ها
تاسیسات حرارتی و برودتی

کتاب سیستم های گرمایش آب خورشیدی Solar Water Heating Systems

کتاب سیستم های گرمایش آب خورشیدی Solar Water Heating Systems

کتاب سیستم های گرمایش آب خورشیدی Solar Water Heating Systems

 

تعداد صفحات: 418

نوع فایل: pdf

نویسنده: by H.P. Garg

H.P. Garg Centre of Energy Studies Indian Institute of Technology Hauz Khas, New Delhi 110 016 India Heating of water using solar energy is not new and by using a little science and technology in it, the solar energy can be utilized more effectively and economically for heating the water both for domestic and industrial applications. Solar Water Heaters are popular for the last three decades in countries like USA, Australia, Israel, Japan, India. This is the only solar energy application which is commercially, technic­ ally and economically viable and has been studied for more than 30 years in many countries. Technical advances in solar water heating have been very rapid in the last 30 years. These are becoming popular not only for domestic use but for large establishments like hostels, hotels, hospitals, industries such as Textile, Paper and Food Processing and even in heating of swimming pools in winter. In few instances the cost of solar water heating systems may be higher than those operated by electricity, gas or other fuel but over a period of time this is more than recovered by the savings in the cost of operations and maintenance.


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مهندسی مکانیک

دانلود سوالات کنکور ارشد مکانیک و پاسخنامه،90،91،92،93،94،95

دانلود سوالات کنکور ارشد مکانیک و پاسخنامه،90،91،92،93،94،95

دانلود سوالات کنکور ارشد مکانیک و پاسخنامه،90،91،92،93،94،95

در این پست سوالات و پاسخنامه کنکور ارشد مکانیک از سال 90 تا 95 برای شما دوستان عزیز قرار داده شده است.


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دسته‌ها
مهندسی مکانیک مهندسی هوافضا

دانلود کتاب ارتعاشات مکانیکی Rao (رائو)

دانلود کتاب ارتعاشات مکانیکی Rao (رائو)

دانلود کتاب ارتعاشات مکانیکی Rao (رائو)

تعداد صفحات کتاب : 1105
نویسنده : Singiresu S. Rao
ویرایش : پنجم
زبان : لاتین

تعداد صفحات حل المسائل : 846
نویسنده : Singiresu S. Rao
ویرایش : پنجم
زبان : لاتین


Mechanical Vibrations, 5/e is ideal for undergraduate courses in Vibration Engineering.

Retaining the style of its previous editions, this text presents the theory, computational aspects, and applications of vibrations in as simple a manner as possible. With an emphasis on computer techniques of analysis, it gives expanded explanations of the fundamentals, focusing on physical significance and interpretation that build upon students’ previous experience. Each self-contained topic fully explains all concepts and presents the derivations with complete details. Numerous examples and problems illustrate principles and concepts.


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مهندسی عمران مهندسی مکانیک مهندسی هوافضا

دانلود pdf کتاب مکانیک سیالات وایت-Fluid Mechanics White

دانلود pdf کتاب مکانیک سیالات وایت-Fluid Mechanics White

دانلود pdf کتاب مکانیک سیالات وایت-Fluid Mechanics White

علم سیالات به بررسی رفتار و واکنشهای شاره تحت اثر نیروهای وارد بر آن می‌پردازد. به طور کلی شاره‌ها در دو حالت استاتیکی و دینامیکی مورد بررسی قرار می‌گیرد. رفتار دینامیک شاره‌ها را می‌توان با معادلات ناویه-استوکس توصیف نمود. معادلات ناویه استوکس یک دستگاه از معادلات دیفرانسیل پاره‌ای است که از قوانین زیر بدست آمده‌اند:

پیوستگی (بقای ماده)
پایستگی تکانه خطی
پایستگی تکانه زاویه‌ای
پایستگی انرژی

شاره یا سَیّال، یکی از حالت‌های وجود ماده است و شامل مایعات، گازها، پلاسما و تا حدی جامدات پلاستیک می‌شود. شاره ماده‌ای است که تحت اثر یک تنش برشی هر چند هم که کوچک باشد، بی وقفه تغییر شکل دهد. سایر مواد به جز مواد شاره (شاره‌ها) در این تعریف نمی‌گنجد. براساس یک تعریف جامعتر، شاره به ماده‌ای گفته می‌شود که تحت نیروی برشی به طور پیوسته تغییر شکل می‌دهد بدین معنا که تا زمانی که نیروی برشی به شاره وارد می‌گردد و دائماً تغییر شکل می‌دهد.


لینک دانلود pdf کتاب مکانیک سیالات وایت Fluid Mechanics White


لینک دانلود فایل حل المسائل سیالات وایت