Component failures

Xem 1-20 trên 48 kết quả Component failures
  • Tham khảo sách 'root cause failure analysis plant engineering maintenance ii', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    pdf325p khangoc2392 12-08-2012 50 21   Download

  • The Third Edition of Juvinall and Marshek's, Fundamentals of Machine Components, preserves the original strengths of the first and second editions, focusing on the fundamentals of component design?free body diagrams, force flow concepts, failure theories, and fatigue design with applications to fasteners, springs, bearings, gears, clutches and brakes. The new edition has been modernized with updated photographs, two-color printing, internet applications, open-ended design problems, companion HQ software, and art work with two and three dimensional shading throughout the textbook....

    pdf137p chipmoon 19-07-2012 56 17   Download

  • Tham khảo sách 'root cause failure analysis plant engineering maintenance', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    pdf325p khangoc2392 12-08-2012 18 3   Download

  • A semi-automatic procedure of linguistic knowledge acquisition is proposed, which combines corpus-based techniques with the conventional rule-based approach. The rule-based component generates all the possible hypotheses of defects which the existing linguistic knowledge might contain, when it fails to parse a sentence. The rule-based component does not try to identify the defects, but generates a set of hypotheses and the corpus-based component chooses the plausible ones among them.

    pdf10p buncha_1 08-05-2013 16 2   Download

  • In recent years, the U.S. Army has become increasingly interested in “commonality”—the sharing of common parts across different entities. Commonality has implications for procurers, designers, developers, trainers, logisticians, and operators. Unfortunately, commonality is poorly defined and conceptualized, which can contribute to confused discussion and poor decisionmaking. For example, engines are often described as “common,” even if significant components, such as the turbocharger, have been removed to make the engines fit different vehicle types.

    pdf0p xuancoem 01-02-2013 19 2   Download

  • After completing this lesson, you should be able to do the following: Describe the factors that affect planned and unplanned downtime Describe the basic components of Oracle Data Guard Explain the differences between physical and logical standby databases Explain the benefits of creating a Data Guard environment Explain the use of Data Guard in high-availability architectures

    ppt20p nghianguyenluong 30-06-2009 265 91   Download

  • This book is mainly intended for designers and users of magnetic components in power electronics. It can also be used for didactical purposes. Magnetic components such as inductors and transformers constitute together with the control and the semiconductor components, the main parts in the design of power electronic converters. Some experience teaches that the design of the magnetic parts is still often done by trial and error. This can be explained by a (too) long working-in time for designing inductors and transformers.

    pdf456p nguyenthai_thinh 16-03-2013 79 34   Download

  • This handbook is intended to help engineers in industry with the operation and maintenance of machinery. It gives the information that these engineers need in a form that is instantly accessible and easy to read. The manufacturers of machinery provide guidance on the operation, lubrication and maintenance required for their particular machines.

    pdf265p beobobeo 01-08-2012 68 29   Download

  • There is a vast multitude of materials with strongly differing properties. A copper wire, for instance, can be bent easily into a new shape, whereas a rubber band will snap back to its initial form after deformation, while the attempt to bend a glass tube ends with fracture of the tube. The strongly differing properties are reflected in the application of engineering materials – you would neither want to build cars of glass nor rubber bridges. The multitude of materials enables the engineer to select the best-suited one for any particular component.

    pdf0p beobobeo 01-08-2012 54 18   Download

  • Both small and large enterprise campuses require a highly available and secure, intelligent network infrastructure to support business solutions such as voice, video, wireless, and mission-critical data applications. To provide such a reliable network infrastructure, the overall system of components that make up the campus must minimize disruptions caused by component failures.

    pdf68p minhthanh 11-08-2009 151 12   Download

  • In a WDM network, a single component failure may lead to multiple failures in the logical topology. Protection switching schemes that adopt traditional edge-disjoint or node-disjoint path-selection algorithms may not be able to protect the active connections properly. In this paper, we generalize the disjoint path problem by providing a framework that can model arbitrary types of failures, so that a solution to the problem can be applied to protection switching in WDM networks.

    pdf9p khinhkha 20-07-2010 48 10   Download

  • Piezoelectric materials form the backbone of several components utilized in communication systems, defense systems, industrial automation, medical diagnostics, energy storage and harvesting, and information technology. In high performance piezoelectric applications the material of choice is based upon lead-based composition with Pb(Zr,Ti)O3 (PZT) being the base. Recently worldwide environmental considerations are demanding the elimination of lead-based materials from all the consumer items. This has created urgency for finding alternative to PZT.

    pdf0p nguyenthai_thinh 16-03-2013 43 6   Download

  • A review of silicon properties is important to understanding silicon components, in particular modern components such as strained-silicon MOSFETs and heterojunction bipolar transistors. Several books cover this subject in detail. The objective of this chapter is to highlight those features that are most important to silicon device operation and characteristics.

    pdf614p nguyenthai_thinh 16-03-2013 47 6   Download

  • Maintaining the Network into the design of a network, and no matter how reliable the individual components are, corrective action will always be required in some form or another, to prevent or make good network and component failures, and maintain overall service standards. However, attitudes towards maintenance and the organization behind it vary widely, ranging from the ‘let it fail then fix it’ school of thought right through to ‘prevent faults at any cost’

    pdf19p huggoo 20-08-2010 41 4   Download

  • Oracle Real Application Clusters (RAC) harnesses the processing power of multiple, interconnected servers on a cluster; allows access to a single database from multiple servers on a cluster, insulating both applications and database users from server failures, while providing performance that scales out on-demand at low cost; and is a vital component of grid computing that allows multiple servers to access a single database at one time. Oracle Database 11g also includes Automated Storage Management (ASM) and Oracle Clusterware.

    pdf6p yasuyidol 02-04-2013 35 5   Download

  • The regression results also imply that expected inflation has a substantial effect on expected long-run real equity returns. In other words, in addition to the negative effect on stock prices associated with its effect on expected earnings, higher expected inflation also raises long- run required returns. Roughly speaking, a one percentage point increase in expected inflation increases required long-run real stock returns about a percentage point; equivalently, it reduces the current price of stocks about 20 percent.

    pdf32p bocapchetnguoi 06-12-2012 28 2   Download

  • As the Internet continues to grow exponentially, the need for network engineers to build, maintain, and troubleshoot the growing number of component networks also has increased significantly. Because network troubleshooting is a practical skill that requires on-the-job experience, it has become critical that the learning curve necessary to gain expertise in internetworking technologies be reduced to quickly fill the void of skilled network engineers needed to support the fast-growing Internet.

    pdf1145p minhtuan 10-08-2009 181 53   Download

  • The Bendix Brake features a curriculum that includes the fundamentals of compressed air; tactics for air system failure mode diagnosis and troubleshooting; and air brake system and foundation brake components, including air compressors, valves, foundation drum brake and air disc brakes. Conducted by the veteran ASE-certified Bendix team, this all-inclusive course incorporates description, operation, and service elements for the total range of components found within dual air brake systems.

    ppt52p nguyenvantri88 08-01-2011 91 23   Download

  • Openness and trade liberalization are now seen almost universally as key components of the national policy cocktail required for economic growth and aggregate economic well-being. They are believed to have been central to the remarkable growth of industrial countries since the mid-20th century and to the examples of successful economic development since around 1970. The continued existence of widespread and abject poverty, on the other hand, represents perhaps the greatest failure of the contemporary global economy and the greatest challenge it faces as we enter the 21st century.

    pdf26p thanhphuong 07-07-2009 139 19   Download

  • Fundamental Requirements of Effective Preventive/Predictive Maintenance could eliminate almost 98% of the failures. Note the word “proper,” meaning that no new problems are injected. That also means, however, that costs will be higher than need be since components will be replaced before the end of their useful life, and more labor is required. Once the threshold set point has been determined, it should be monitored to detect when it is exceeded. The investment in monitoring depends on the period over which deterioration may occur, means of detection, and benefit value.

    pdf20p hiruscar 13-10-2010 77 20   Download

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