Executive Summary

1

Introduction

2

Objectives

2

Power Systems Development Facility

3

Site Visits

4

November 5, 1997

January 20, 1998

6

May 18, 1998

14

Analyses of PSDF Ashes

18

Inertial Effects in the Westinghouse FL0301 Filter Vessel

22

Comparison of Specific Gas-Flow Resistance and K2

26

Karhula Pressurized Circulating Fluid Bed Facility

29

Analyses of Karhula Ashes

29

Pinon Pine Power Project

35

Analyses of TRDU Particulate Samples

42

Laboratory Techniques

58

Reproducibility of Measurements

58

Effect of Non-Uniform Dust Cake Porosity on Gas Flow

60

Effect of Screen Mesh Size on Uncompacted Bulk Porosity

63

Permeability as a Function of Gas Pressure

63

Development of a Technique for Preservation of Filter Cakes

66

Ash Data Bank Development

68

Future Work

73

References

74

Appendix A Sample Information Forms

A-1