81st Conference on Glass Problems

The 81st Conference on Glass Problems (GPC) was organized by the Kazuo Inamori School of Engineering, The New York State College of Ceramics, Alfred University, Alfred, NY 14802 and The Glass Manufacturing Industry Council (GMIC), Westerville, OH 43082. The Program Director was S. K. Sundaram, Inamori Professor of Materials Science and Engineering, Kazuo Inamori School of Engineering, The New York State College of Ceramics, Alfred University, Alfred, NY 14802. The Conference Director was Bob Lipetz, Executive Director, Glass Manufacturing Industry Council (GMIC), Westerville, OH 43082. The GPC Advisory Board (AB) included the Program Director, the Conference Director, and several industry representatives. The Board assembled the technical program. Donna Banks of the GMIC coordinated the events and provided support. Due to world-wide COVID-19 pandemic, the conference was a virtual event. It started with a full-day plenary session followed by technical sessions.

The American Ceramic Society (ACerS) is a 100-year old non-profit organization that serves the informational, educational, and professional needs of the international ceramics community.

Foreword

Preface

Acknowledgments

PLENARY

Surface Viscosity and the Melting of Glass
Daniel R. Swiler

CONSTRUCTION AND REPAIR

Supporting Hot and Cold Furnace Repairs
Neil G Simpson, John Naughton, and Philippe Kerbois

Infrastructure and Process Considerations when Increasing the Size of Your Furnace
Christopher Hetro, Michael Hannagan, and Thomas Maheady

Analysis of Experiences in Recurring Furnace Construction Projects
Jalil Abraham Kuri

MELTING

Improved Glass Homogeneity and Higher Sustainability through Textured Expendables Tubes in Container Glass Furnace
Patrice Fournier, Michel Gaubil, and Stephane Schaller

Extending Campaign Life in an All-Electric Melter using High Levels of Commercial Cullet
Phillip Tucker and Donn Sederstrom

Case Study: Comparison of an AC IGBT Controlled System and AC Phase Angle SCR Controlled System in a Resistance Heating Application
Stanley F. Rutkowski III

From Landfill to Raw Material: Obtaining High Quality Recycled Cullet to Avoid Glass Manufacturing Problems
Jacques van Putten

QUALITY CONTROL AND SENSORS

Glass Melt Quality Optimization by Mathematical Modeling of Redox and Bubbles in the Glass Melt
Andries Habraken, Oscar Verheijen , Adriaan Lankhorst, Anne-Jans Faber, and Corinne Claireaux

The Detection and Root Causes of Cord in Glass
Scott Cooper

Float Glass Flatness: Process Consequences, and How to Improve Control
Joseph LaPlante

ENVIRONMENTAL AND SUSTAINABILITY

Waste Heat Recovery in Oxy-Fuel Glass Furnaces – A Path To Sustainability and Lower CO₂ Emissions
Shrikar Chakravarti, Jeff Alexander, and Hisashi Kobayashi

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