Admin مدير المنتدى


عدد المساهمات : 16446 التقييم : 28498 تاريخ التسجيل : 01/07/2009 العمر : 32 الدولة : مصر العمل : مدير منتدى هندسة الإنتاج والتصميم الميكانيكى الجامعة : المنوفية
 | موضوع: كتاب Centrifugal Pump User's Guidebook - Problems and Solutions الجمعة 29 يناير 2016, 9:58 pm | |
| أخوانى فى الله أحضرت لكم كتاب Centrifugal Pump User's Guidebook - Problems and Solutions Sam Yedidiah
 و المحتوى كما يلي :
Contents Preface Vii Part I. Introduction 1 Chapter 1. Rotodynamic Pumps 3 Chapter 2. Performance Chracteristics of Centrifugal Pumps Chapter 3. Classification of Centrifugal Pumps Part Ii. Performance Factors 29 Effects of Free Air in the Pumped Liquid 31 Cavitation 33 Cavitation in Centrifugal Pumps 45 Losses of Energy 61 Effects of Temperature and Viscosity on Pump Performance 75 Recirculation 79 Axial and Radial Thrust and Balancing 97 Miscellaneous Factors That Affect Pump Performance Iii Problems Encountered With Centrifugal Pumps Testing Pump Performance at Reduced Npsh Pumping System Layout Installation. Handling, and Operation of Pumps and Pumping Systems Problems With Bearings Sealing Rotating Parts Miscellaneous Studies Problems Related to Specific Circumstances Special Cases That Have Proven Very Difficult to Solve Part Iv. Solving Pump Problems Solving Problems Prior to Visiting the Site Conclusions Drawn From Visual Inspection of Failed Parts On-site Inspection and Testing Part V. Eliminating Pump Problems and Modifying Performance Remedial Methods The Effects of Speed and Impeller Od on Pump Performance The Effects of Reducing the Impeller Width Moditying the Casing Geometry Various Methods of Altering Pump Performance A Glimpse of the Future New Findings Concerning the Mode of Operation Of Rotodynamic Impellers Some Future Applications of the Presented Theory Appendix a. Checklist of Problems With Centrifugal Pumps and Their Causes 1. Pump Does Not Develop Any Head, Nor Does It Deliver Liquid 2. Pump Develops Some Pressure, but Delivers No Liquid 3. Pump Delivers Less Liquid Than Expected 4. Pump Does Not Develop Enough Pressure 5. Shape of Head-capacity Curve Differs From Rated Curve 6. Pump Consumes Too Much Power 7. Pump Does Not Perform Satisfactorily, Although Nothing Appears to Be Wrong With Pumping Unit or System 8. Pump Operates Satisfactorily During Start, but Performance Deteriorates in a Relatively Short Time 9. Pump is Operating With Noise, Vibrations, or Both 10. Stuffing Box Leaks Excessively 11. Packing Has Short Life 12. Mechanical Seal Has Short Life 13. Mechanical Seal Leaks Excessively 14. Bearings Have Short Life 35415. Bearings Overheat 16. Bearings Operate With Noise 17. Pump Overheats, Seizes, or Both 18. Impeller or Casing, or Both, Has Short Life 19. Loud Blow is Heard Each Time Pump is Started or Stopped 20. Casing Bursts Each Time Pump is Started or Stopped 21. Gaskets Leak During Pump Operation 22. Flow-rate Periodically Decreases, or Stops Completely, Then Returns to Normal 23. Pump Develops Cavitation When the Available Npsh is Increased Appendix B. Tables Vapor Pressures of Water at Different Temperatures Gall Resistance of Material Combinations Packing Selections Tables of Chemical Compatibility of Materials Bibliography Index
كلمة سر فك الضغط : books-world.net The Unzip Password : books-world.net أتمنى أن تستفيدوا من محتوى الموضوع وأن ينال إعجابكم رابط من موقع عالم الكتب لتنزيل كتاب Centrifugal Pump User's Guidebook - Problems and Solutions رابط مباشر لتنزيل كتاب Centrifugal Pump User's Guidebook - Problems and Solutions 
|
|