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Evaluation of air flow resistance across a green fig bed for selecting an appropriate pressure drop prediction equation

Paper ID Volume ID Publish Year Pages File Format Full-Text
19459 43066 2011 6 PDF Available
Title
Evaluation of air flow resistance across a green fig bed for selecting an appropriate pressure drop prediction equation
Abstract

In this study the physical properties of green fig (Ficus carica L.) at different moisture contents were measured. Pressure drop across a bed of green fig was also evaluated. The moisture content and air flow ranges used in this study were 5.74–34.08% (db) and 0.2–1.1 (m3 s−1 m−2), respectively. To measure resistance to air flow an appropriate test rig was designed and fabricated. A thick bed of seven depths of loose and random filling of fig bed were envisaged (5, 10, …, 35 cm). Principle dimensions, geometric mean diameter, sphericity, roughness factor of fig kernels and bulk density increased with an increase in moisture content, whereas kernel density and porosity decreased with an increase in fig moisture content. The air flow resistance across the bed increased with an increase in bed depth and moisture content. The modified Ergun model with higher values for coefficient of determination, lower values for root mean square error and mean relative deviation modulus was the best model for predicting pressure drop across green figs bed for the conditions studied.

Keywords
Green fig; Resistance to air flow; Modeling; Physical properties
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Evaluation of air flow resistance across a green fig bed for selecting an appropriate pressure drop prediction equation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Food and Bioproducts Processing - Volume 89, Issue 2, April 2011, Pages 157–162
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us