지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국식품영양과학회 Journal of Food Science and Nutrition Journal of Food Science and Nutrition Vol.13 No.3
- 발행연도
- 2008.9
- 수록면
- 225 - 230 (6page)
이용수
초록· 키워드
오류제보하기
Onion slices were dehydrated in a single layer at drying air temperatures ranging from 50～70℃ in a laboratory scale convective hot-air dryer at an air velocity of 0.66 m/s. The effect of drying air temperature on the drying kinetic characteristics were determined. It was found that onion slices would dry within 210～460 min under these drying conditions. Moisture transfer during dehydration was described by applying the Fick's diffusion model and the effective diffusivity changed between 1.345×10?? and 2.658×10?? ㎡/s. A non-linear regression procedure was used to fit 9 thin layer drying models available in the literature to the experimental drying curves. The Logarithmic model provided a better fit to the experimental drying data as compared to other models. Temperature dependency of the effective diffusivity during the hot-air drying process obeyed the Arrhenius relationship with estimated activation energy being 31.36 kJ/㏖. The effect of the drying air temperature on the drying model constants and coefficients were also determined.
목차
Abstract
INTRODUCTION
MATERIALS AND METHODS
RESULTS AND DISCUSSION
ACKNOWLEDGEMENTS
REFERENCES
참고문헌 (46)
참고문헌 신청
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Pathare PB , 2006 , Effective moisture diffusivity of onion slices undergoing infrared convective drying , Biosyst Eng 93 : 285 ~ 291
Kumar A , 2007 , Effect of mass on convective mass transfer coefficient during open sun and greenhouse drying of onion flakes , J Food Eng 79 : 1337 ~ 1350
Kumar DGP , 2006 , Suitability of thin layer models for infrared-hot air-drying of onion slices , Lebensm-Wiss Technol 39 : 700 ~ 705
Das S , 2001 , Development of an air recirculating tray dryer for high moisture biological materials , J Food Eng 50 : 223 ~ 227
Pathare PB , 2006 , Effective moisture diffusivity of onion slices undergoing infrared convective drying , Biosyst Eng 93 : 285 ~ 291
Kumar A , 2007 , Effect of mass on convective mass transfer coefficient during open sun and greenhouse drying of onion flakes , J Food Eng 79 : 1337 ~ 1350
Kumar DGP , 2006 , Suitability of thin layer models for infrared-hot air-drying of onion slices , Lebensm-Wiss Technol 39 : 700 ~ 705
Das S , 2001 , Development of an air recirculating tray dryer for high moisture biological materials , J Food Eng 50 : 223 ~ 227
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