MİKRODALGA KOŞULLARINDA MUZUN KÖPÜK KURUTMA ÖZELLİKLERİNİN MODELLENMESİ

Year 2020, Volume: 45 Issue: 6, 1134 - 1142, 12.10.2020

Ayşe Nur Yüksel

https://doi.org/10.15237/gida.GD20088

Cited By: 1

Abstract

Bu çalışmada, muzun mikrodalga destekli köpük kurutma ile kurutulması ve kurutma davranışının belirlenmesi amaçlanmıştır. Muz köpüğü, 100, 180, 300, 450 ve 600 W mikrodalga güçlerinde köpük kurutma yöntemi ile kurutulmuştur. Aktif nem difüzyon katsayıları, 5.9536 x 10-9 ve 3.5692 x 10-8 m2 s-1 aralığında bulunmuştur. Mikrodalga ile kurutulan muz köpüğünün aktivasyon enerjisi 10.80 W g-1 olarak hesaplanmıştır. Bunun yanında, deneysel nem oranı datalarına en iyi uyan modeli bulabilmek için, ince tabaka kurutma modelleri; Page, Wang ve Singh, Midilli ve diğerleri, Silva ve diğerleri, two-term ve Peleg, uygulanmıştır. Sonuç olarak, Midilli ve diğerleri modeli en yüksek R2, en düşük RMSE, RSS and χ2 değerleri ile diğer modellere göre daha iyi uyum sağlamıştır.

Keywords

mikrodalga kurutma, köpük kurutma, muz, modelleme, kurutma kinetiği, aktivasyon enerjisi

MODELING FOAM-MAT DRYING CHARACTERISTICS OF BANANA UNDER MICROWAVE CONDITIONS

Abstract

In this study, it was aimed to dry banana using microwave-assisted foam-mat drying and to identify the drying behavior. Foam-mat drying of banana foam was made using a microwave oven at output power of 100, 180, 300, 450 and 600 W. Effective moisture diffusivities were obtained in the range of 5.9536 x 10-9 and 3.5692 x 10-8 m2 s-1. Activation energy was determined as 10.80 W g-1 of microwave dried banana foam. Besides, to find the best model to experimental moisture ratio values, thin layer models of Page, Wang and Singh, Midilli and others, Silva and others, two-term and Peleg were applied. As a result, Midilli and others’ model gave a better fit than others with highest value of R2, lowest values of RMSE, RSS and χ2.

Keywords

microwave drying, foam-mat drying, banana, modeling, drying kinetic, activation energy

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