Measurement and analysis of clothes dryer air leakage
Abstract
Each year clothes dryer appliances are sold globally in the tens of millions. Both vented and ventless types are common and are heated by combustion, electric resistance, or electric heat pumps. In the dyer air path, segments can be defined between components such as the drum, blower, filter, screens or grills, and heat exchangers (where applicable). In this work, a technique was developed to experimentally measure air leakage into and from the segments of a clothes dryer. Detailed leakage measurements were taken on two vented and one ventless residential clothes dryer. The measurements were quantified as a leakage flow coefficient for each segment. For two dryers (one vented and one ventless), these flow coefficients were combined with in situ operating pressure measurements to determine leakage flow rates for each segment. For these two units under normal operation with air pressures within 0.5 kPa (50 mm water column) of ambient pressure, volumetric system air leakage was found to be about 20–60% of the blower airflow. Furthermore, a quasi–steady state psychrometric analysis was conducted on vented dryers with negatively pressurized drums. The analysis revealed that leakage quantity, location, and direction are essential to achieving an acceptable energy balance and accurate modeling resultsmore »
- Authors:
-
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Publication Date:
- Research Org.:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE)
- OSTI Identifier:
- 1649634
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Drying Technology
- Additional Journal Information:
- Journal Volume: TBD; Journal Issue: TBD; Journal ID: ISSN 0737-3937
- Publisher:
- Taylor & Francis
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING
Citation Formats
Boudreaux, Philip, Gluesenkamp, Kyle R., Patel, Viral K., and Shen, Bo. Measurement and analysis of clothes dryer air leakage. United States: N. p., 2020.
Web. doi:10.1080/07373937.2020.1753765.
Boudreaux, Philip, Gluesenkamp, Kyle R., Patel, Viral K., & Shen, Bo. Measurement and analysis of clothes dryer air leakage. United States. https://doi.org/10.1080/07373937.2020.1753765
Boudreaux, Philip, Gluesenkamp, Kyle R., Patel, Viral K., and Shen, Bo. Thu .
"Measurement and analysis of clothes dryer air leakage". United States. https://doi.org/10.1080/07373937.2020.1753765. https://www.osti.gov/servlets/purl/1649634.
@article{osti_1649634,
title = {Measurement and analysis of clothes dryer air leakage},
author = {Boudreaux, Philip and Gluesenkamp, Kyle R. and Patel, Viral K. and Shen, Bo},
abstractNote = {Each year clothes dryer appliances are sold globally in the tens of millions. Both vented and ventless types are common and are heated by combustion, electric resistance, or electric heat pumps. In the dyer air path, segments can be defined between components such as the drum, blower, filter, screens or grills, and heat exchangers (where applicable). In this work, a technique was developed to experimentally measure air leakage into and from the segments of a clothes dryer. Detailed leakage measurements were taken on two vented and one ventless residential clothes dryer. The measurements were quantified as a leakage flow coefficient for each segment. For two dryers (one vented and one ventless), these flow coefficients were combined with in situ operating pressure measurements to determine leakage flow rates for each segment. For these two units under normal operation with air pressures within 0.5 kPa (50 mm water column) of ambient pressure, volumetric system air leakage was found to be about 20–60% of the blower airflow. Furthermore, a quasi–steady state psychrometric analysis was conducted on vented dryers with negatively pressurized drums. The analysis revealed that leakage quantity, location, and direction are essential to achieving an acceptable energy balance and accurate modeling results for a vented heat pump clothes dryer but are of limited significance for vented electric resistance clothes dryers.},
doi = {10.1080/07373937.2020.1753765},
journal = {Drying Technology},
number = TBD,
volume = TBD,
place = {United States},
year = {2020},
month = {4}
}
Web of Science
Works referenced in this record:
Experimental evaluation and thermodynamic system modeling of thermoelectric heat pump clothes dryer
journal, May 2018
- Patel, Viral K.; Gluesenkamp, Kyle R.; Goodman, Dakota
- Applied Energy, Vol. 217
Drying performance analysis of a condensing tumbler clothes dryer with a unique water cooled heat exchanger
journal, February 2017
- Jian, Qifei; Zhao, Jing
- Applied Thermal Engineering, Vol. 113
Energy losses by air leakage in condensing tumble dryers
journal, May 2012
- Stawreberg, Lena; Berghel, Jonas; Renström, Roger
- Applied Thermal Engineering, Vol. 37
Performance Analysis of an Electric Clothes Dryer
journal, January 2003
- Bassily, Ashraf M.; Colver, Gerald M.
- Drying Technology, Vol. 21, Issue 3
A novel method to determine air leakage in heat pump clothes dryers
journal, February 2016
- Bansal, Pradeep; Mohabir, Amar; Miller, William
- Energy, Vol. 96
Total Energy Balance Method for Venting Electric Clothes Dryers
journal, April 2013
- Huelsz, Guadalupe; Urbiola-Soto, Leonardo; López-Alquicira, Francisco
- Drying Technology, Vol. 31, Issue 5
Influence of drum inlet air conditions on drying process in a domestic tumble dryer
journal, September 2018
- Novak, Lovrenc; Gatarić, Pero; Širok, Brane
- Drying Technology, Vol. 37, Issue 6
Modeling of heat pump tumble dryer energy consumption and drying time
journal, October 2018
- Gatarić, Pero; Širok, Brane; Hočevar, Marko
- Drying Technology, Vol. 37, Issue 11
Experimental study on drying time and energy consumption of a vented dryer
journal, May 2019
- Ahn, Seung Phyo; Kim, Seong Hwan; Park, Yong Gap
- Journal of Mechanical Science and Technology, Vol. 33, Issue 5