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5. Fabric properties and electric efficiency limits of mechanical moisture extraction from fabrics.

Author

Momen, Ayyoub M., Patel, Viral K., Gluesenkamp, Kyle R., Erdman III, Donald, Kiggans Jr, James, and Ormston, Geoffrey

Subjects
MECHANICAL efficiency, DRYING, ELECTRIC properties, HOME energy use, PORE size distribution, CLOTHES dryers
Abstract

Residential clothes drying consume about 650 TBtu of primary energy per year in the United States, equivalent to 3% of primary residential energy consumption. There is a strong impetus to reduce the energy consumption of clothes dryers by both improving existing technology and developing alternatives that use fundamentally different drying mechanisms. Clothes drying technologies are broadly classified into either evaporative or mechanical drying. The focus of this paper is on mechanical drying, including vibrational, centrifugal, and press-based methods. In this work, the physical processes involved in these mechanical fabric drying processes were analyzed to develop general theories of mechanical cloth drying energy efficiency. Quantitative evaluation of the theories requires measured fabric properties. To accomplish this, a set of experiments was conducted on samples of a standard test fabric. The fabric was a cotton-polyester blend specified by the US Department of Energy to evaluate the standardized efficiency of all residential clothes dryers in the US. Mercury porosimetry experiments were conducted to determine the fabric pore size distribution, apparent density, and porosity. Elasticity experiments were conducted to determine the fabric's Young's modulus. Isostatic press experiments were conducted to establish a relationship between compression force and fabric moisture content. The data resulting from these experiments were combined with mathematical models developed in this work to calculate the theoretical maximum performance limits for mechanical drying of the standard fabric. The results of the analysis are used to make recommendations for the most promising technologies that offer the greatest potential energy savings for residential clothes drying. [ABSTRACT FROM AUTHOR]

Published
2022
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10. Near Net Shape Manufacturing of New, Low Cost Titanium Powders for Industry

Author

Peter, William H, primary, Yamamoto, Yukinori, additional, Chen, Wei, additional, Dehoff, Ryan R, additional, Nunn, Stephen D, additional, Sabau, Adrian S, additional, Kiggans, Jr, James O, additional, Muth, Thomas R, additional, Daehn, Glenn, additional, Tallman, Cory, additional, Gorham, Rob, additional, Barnes, John E, additional, Henry, Chad, additional, Capone, Joe A, additional, Paliwal, Muktesh, additional, Smith, Ryan, additional, Akhtar, Kamal, additional, Peltier, David, additional, Everett, Richard, additional, and Imam, Ashraf, additional

Published
2013
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