Airflow Resistance of Solid-Separated Dairy Waste for Drying and Storage

The resistance of solid-separated solid wastes (SSDWs) to moderate airflow ranging from 0.05 to 0.30 m<sup>3</sup>/s-m<sup>2</sup> was measured at various bed depths and moisture levels. The pressure drop across a loose-fill fixed bed column was observed to increase more rapi...

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Main Authors: El Jirie N. Baticados, Sergio C. Capareda, Cole I. Mitchell
Format: Article
Language:English
Published: MDPI AG 2023-06-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/16/13/5038
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author El Jirie N. Baticados
Sergio C. Capareda
Cole I. Mitchell
author_facet El Jirie N. Baticados
Sergio C. Capareda
Cole I. Mitchell
author_sort El Jirie N. Baticados
collection DOAJ
description The resistance of solid-separated solid wastes (SSDWs) to moderate airflow ranging from 0.05 to 0.30 m<sup>3</sup>/s-m<sup>2</sup> was measured at various bed depths and moisture levels. The pressure drop across a loose-fill fixed bed column was observed to increase more rapidly with increasing airflow rates than with increasing bed depths. An increase in the moisture content (10 percentage points) caused a decrease in the pressure drop by an average of 13.2–17.0%, evaluated within a 10–40% moisture content (MC) range. A full-factorial model analysis using standard least squares was used to describe the main effects and interactions of the test parameters in predicting the pressure drop. The Hukill and Ives nonlinear model was able to accurately describe the airflow resistance data of SSDWs at various MCs. Empirical curves describing the SSDW resistance to airflow were developed to aid in the preliminary design of ventilation systems for drying and storage.
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spelling doaj.art-0edf0f8ed5a148eaa42b9040cee442fe2023-11-18T16:29:30ZengMDPI AGEnergies1996-10732023-06-011613503810.3390/en16135038Airflow Resistance of Solid-Separated Dairy Waste for Drying and StorageEl Jirie N. Baticados0Sergio C. Capareda1Cole I. Mitchell2Biological and Agricultural Engineering, Texas A & M University, College Station, TX 77843, USABiological and Agricultural Engineering, Texas A & M University, College Station, TX 77843, USAFrontier Bioenergy Systems, Austin, TX 78723, USAThe resistance of solid-separated solid wastes (SSDWs) to moderate airflow ranging from 0.05 to 0.30 m<sup>3</sup>/s-m<sup>2</sup> was measured at various bed depths and moisture levels. The pressure drop across a loose-fill fixed bed column was observed to increase more rapidly with increasing airflow rates than with increasing bed depths. An increase in the moisture content (10 percentage points) caused a decrease in the pressure drop by an average of 13.2–17.0%, evaluated within a 10–40% moisture content (MC) range. A full-factorial model analysis using standard least squares was used to describe the main effects and interactions of the test parameters in predicting the pressure drop. The Hukill and Ives nonlinear model was able to accurately describe the airflow resistance data of SSDWs at various MCs. Empirical curves describing the SSDW resistance to airflow were developed to aid in the preliminary design of ventilation systems for drying and storage.https://www.mdpi.com/1996-1073/16/13/5038airflow resistancemanure dryingHukill and Ivesdairy bioenergyShedd’s curve
spellingShingle El Jirie N. Baticados
Sergio C. Capareda
Cole I. Mitchell
Airflow Resistance of Solid-Separated Dairy Waste for Drying and Storage
Energies
airflow resistance
manure drying
Hukill and Ives
dairy bioenergy
Shedd’s curve
title Airflow Resistance of Solid-Separated Dairy Waste for Drying and Storage
title_full Airflow Resistance of Solid-Separated Dairy Waste for Drying and Storage
title_fullStr Airflow Resistance of Solid-Separated Dairy Waste for Drying and Storage
title_full_unstemmed Airflow Resistance of Solid-Separated Dairy Waste for Drying and Storage
title_short Airflow Resistance of Solid-Separated Dairy Waste for Drying and Storage
title_sort airflow resistance of solid separated dairy waste for drying and storage
topic airflow resistance
manure drying
Hukill and Ives
dairy bioenergy
Shedd’s curve
url https://www.mdpi.com/1996-1073/16/13/5038
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