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Title

Propose suitable model for modeling of moisture ratio and estimation of effective moisture diffusivity of onion slices by hot air dryer

Year: 1388
COI: ICHEC06_021
Language: EnglishView: 1,391
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Authors

Sedigheh Abbasi - Chemical Engineering Dept., Faculty of Engineering, Ferdowsi University of Mashhad
Seyed Mahmood Mousavi - Chemical Engineering Dept., Faculty of Engineering, Ferdowsi University of Mashhad
Mohebbat Mohebbi - Food Science & Technology Dept., College of Agriculture, Ferdowsi University of Mashhad

Abstract:

Onion slices were dried under different processing conditions by hot air dryer. Slice thickness, air velocity were constant and inlet air temperature, drying time were varied to study the drying behavior. Thin layer drying of onion slices was carried out at air temperatures of 60, 70, 80 and 90 0 °C and air velocity of 1.5 m s . The drying occurred in the falling rate of drying period. 13 available moisture ratio models were fitted to the drying data. The model proposed in this study had a higher squared correlation coefficient ( R2 ), and low sum of square error ( SSE ) and thus predicted drying behaviour of the onion slices more accurately. The average effective moisture diffusivity of onion slices rangedbetween 0.125821´10-10 m2 s-1 and 0.788957´10-10 m2 s -1 . The values for eff D increased with a increase in air temperature and decrease in moisture content under all drying conditions.

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This Paper COI Code is ICHEC06_021. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/77296/

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Abbasi, Sedigheh and Mousavi, Seyed Mahmood and Mohebbi, Mohebbat,1388,Propose suitable model for modeling of moisture ratio and estimation of effective moisture diffusivity of onion slices by hot air dryer,06th International Congress on Chemical Engineering,Hajjiabad,https://civilica.com/doc/77296

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  • The 6th lhterhatiohal Chehical Eigiheering Congress _ Exhibition (ICHEE 2009) ...
  • Ozdemir, M.. and Devres, Y. O., ،"The thin layer drying ...
  • Sarsavadia, P. N., Sawhney, R. L., Pangavhane, D. R., and ...
  • Mwithiga, G., and Olwal, J. O., _ drying kinetics of ...
  • Doymaz, I., "Convective air drying characteristics of thin layer carrots, ...
  • Karathanos, V. T., Villalobos, G., and Saravacos, G. D., "Comparison ...
  • Pathare, P. B., and Sharma, G. P., "Effective Moisture Diffusivity ...

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Type of center: دانشگاه دولتی
Paper count: 33,989
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