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On-machine visible dirt measurement on moving sheets and the relationships to standard laboratory methods, TAPPI Journal August 2020

ABSTRACT: There has been a proliferation of new sensors to measure on-machine dirt specks that employ different technologies and methodologies to perform measurements. The differences in the on-machine technologies are discussed in terms of the TAPPI and ISO standard laboratory test methods with respect to dirt detection using light reflected from, or light transmitted through, the sheet. Also discussed are the requirements for measuring sta-tistically representative areas of the sheet; the difference between the dirt physical size and Equivalent Black Area (EBA) size; and the implication of these issues when specifying cleanliness acceptance criteria.This technical brief describes on-machine visible dirt measurement’s relationship to standard laboratory testing.

Journal articles
Magazine articles
Standards
Open Access
Relating bending stiffness measurements across various free span lengths, TAPPI Journal August 2020

ABSTRACT: Bending stiffness should be an intrinsic property of a material, so it is puzzling that the TAPPI Standard Test Method T 836 “Bending stiffness, four point method” specifies span lengths when testing different types of corrugated fiberboard. These specified spans often limit the samples that can be measured with this method. To better understand the relationship between bending stiffness and span length, we performed measurements on a range of materials at different spans. The results provide a practical tool enabling comparison of bending stiffness measurements made at various span lengths. Additionally, this note discusses several areas that could serve as the foundation for more fundamental work exploring the bending behavior of corrugated board.

Journal articles
Open Access
Editorial: Honghi Tran: A Prolific TAPPI Journal, TAPPI JOUR

Editorial: Honghi Tran: A Prolific TAPPI Journal, TAPPI JOURNAL July 2016

Journal articles
Open Access
Estimation of the S/G Ratios of the Lignins in Three Widely

Estimation of the S/G Ratios of the Lignins in Three Widely used North American Hardwoods, TAPPI JOURNAL July 2016

Journal articles
Open Access
Corrosion Mnitoring and Root Cause Identification in High So

Corrosion Mnitoring and Root Cause Identification in High Solids Concentrators, TAPPI JOURNAL July 2016

Journal articles
Open Access
Evaluation of Near-Drum Thinning Data in Recovery Boiler Gen

Evaluation of Near-Drum Thinning Data in Recovery Boiler Generating Bank Tubes, TAPPI JOURNAL July 2016

Journal articles
Open Access
A comparative study of enzymatic and Fenton pretreatment app

A comparative study of enzymatic and Fenton pretreatment applied to a birch kraft pulp used for MFC production in a pilot scale high-pressure homogenizer, TAPPI JOURNAL June 2016

Journal articles
Open Access
Effects of cellulosic nanofibrils on papermaking properties

Effects of cellulosic nanofibrils on papermaking properties of fine papers, TAPPI JOURNAL June 2016

Journal articles
Open Access
Editorial: 2015 Pulping, Engineering, Environmental

Editorial: 2015 Pulping, Engineering, Environmental, Recycling and Sustainability (PEERS): Sustainable Solutions for Our Future, TAPPI JOURNAL March 2016

Journal articles
Open Access
Potential of C. citriodora wood species for kraft pulp

Potential of C. citriodora wood species for kraft pulp production, TAPPI JOURNAL March 2016

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