Page 17 - Industrial Ventilation Design Guidebook

XVi CONTENTS

14.1 Introduction 1319
14.2 Basic Principles of Pneumatic Conveying 1319
14.2.1 Concepts and Notations 1319
14.2.2 Classification of Different Types of Flow 1322
14.2.3 Mathematical Analysis of the Free-Falling
Velocity 1324
14.2.4 Modeling of Falling Velocity in a Tube 1333
14.2.5 Estimation of Transportation Velocity of Solid Particles
in Pipe Flow at Various Inclination Angles 1335
14.2.6 An Empirical Approach for Calculating
the Pressure Drop in Pneumatic Transport 1339
References 1342
14.3 A New Pressure Loss Equation 1343
14.3.1 A Theoretical Approach for Calculating
the Pressure Drop in Pneumatic Transport 1343
14.3.2 Some Further Considerations and Development
of the Pressure Loss Equation 1347
14.3.3 Evaluation of the Pressure Loss Parameters
on the Basis of Measured Data 1349
14.3.4 Example of Calculating the Pressure Losses
in a Pneumatic Conveying System 1353
14.3.5 Calculating the Pressure Loss of an Ejector
in a Pneumatic Conveying System 1353
References 1356
14.4 Conclusions 1356

15 Environmental Assessment Tools 1357

15.1 Introduction 1357
15.2 Life Cycle Assessment 1358
15.2.2 History of LCA 1358
15.2.2 The Role of LCA in Industry 1358
15.2.3 The LCA Framework 1358
15.2.4 The Goal and Scope Phase 1359
15.2.5 The Inventory Phase 1359
15.2.6 The Impact Assessment Phase 1362
15.2.7 The Interpretation Phase 1364
15.2.8 Examples 1365
15.2.9 Special Issues with Respect to Industrial
Ventilation 1366
15.2.10 Information Sources 1367
References 1367
15.3 Risk Assessment 1368
References 1369
15.4 Cost-Benefit Analysis 1369
References 1370
15.5 Environmental Impact Assessment 1370
References 1371