Microwave drying machine for textile materials

Vrba, Jan; Stejskal, Milan; Klepl, R.; Richter, A.; Pourova, Marika; Zak, O.; Herza, J.; Oppl, L.

doi:10.1109/eumc.2005.1610110

Cited by 9 publications

(3 citation statements)

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“…Also microwave applications involve environmental friendly usage, safer handling and improved quality of materials etc [1,2]. Due to its various advantages, microwave has found applications in the drying of foods [3], drying of textiles [4], drying of zinc sulfate [5], recycling of polymeric materials [6], coal mining [7], vulcanizations of rubber [8,9], drying and sintering of ceramics [10], and drying of bagasse [11]. However, low heating efficiency is a limitation for microwave heating applications in practice.…”

Section: Introductionmentioning

confidence: 99%

Effects of Dielectric Properties of the Material located inside Multimode Applicator on Microwave Efficiency

Mekonnen¹,

Yenikaya²,

Yenikaya³

et al. 2018

Adv. sci. technol. eng. syst. j.

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During microwave heating of materials, the efficiency of microwave heating depends on the materials' dielectric property, shapes and sizes of the material, materials' position inside the applicator, operating frequency, level of input power, specific heat capacity, number and position of waveguide over the applicator, size and geometry of applicator etc. This paper examines the effects of dielectric properties of the clay sample placed in the multimode applicator on the performance of microwave heating. The simulated and experimentally obtained results show that the variation in clay samples dielectric value creates variation in system efficiency inside the microwave applicator. Also placing another dielectric slab over the material to be heated affects the electric field distribution and system efficiency. Placing KESTAMID dielectric slab over the material improved the heating efficiency by 22%. COMSOL Multiphysics software was used to simulate and estimate the electric field distribution over the surface of the clay sample and inside the multimode applicator for different dielectric property clay samples. The simulated and experimentally obtained results are almost matched.

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Section: Introductionmentioning

confidence: 99%

Effects of Dielectric Properties of the Material located inside Multimode Applicator on Microwave Efficiency

Mekonnen¹,

Yenikaya²,

Yenikaya³

et al. 2018

Adv. sci. technol. eng. syst. j.

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“…Nevertheless, and in agreement with the industrial, only 915 MHz and 2.45 GHz are used for food applications, especially the second due to its worldwide availability. The dissimilar process of dehydration has been reported by other authors, indicating some example of this process is solar drying [2], vacuum drying [3], freeze drying [4], microwave drying [5], microwave vacuum drying [6], microwave freeze drying [7], infrared radiation drying [8], etc.…”

Section: Introductionmentioning

confidence: 99%

Microwave Drying Machine for Sea Bass Leathers

Tantiviwat¹,

Arkom²,

Apirun³

et al. 2016

Proceedings of the 2016 International Conference on Advanced Materials Science and Environmental Engineering

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Abstract-Microwave drying is a dehydration process that is often used to preserve a food or material. In this study, sea bass leathers were dried by microwave technique. In order to improve the productivity, the microwave energy was applied to decrease the drying time. The sea bass leathers were dried to the desired final moisture content, whereby 70-80 o C hot air for baking are generated by the heating process from magnetrons and three levels, power microwave consists of approximately 60 %, 50 %, 30 % and drying time are 15-30 minutes based on power ON per unit of total magnetron respectively. The relation between the final applied parameters of microwave power, number of magnetron and the temperature is presented as well. This method can be applied in dehydration with microwave techniques.

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“…The use of this device is mostly for drying in the factory production of fabrics. This type of semi industrial dryer was developed at the Czech Technical University, Prague, Research Institute of Textile Machines Liberec and Technical University of Liberec (Pourova & Vrba 2006) (Vrba et al 2005). In their research of the open applicator they determined the position of the magnetron.…”

Section: Open-resonatormentioning

confidence: 99%

The Microwaves - Solution for Improving Woven Fabric

Katović¹

2010

Woven Fabric Engineering

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Microwave drying machine for textile materials

Cited by 9 publications

References 0 publications

Effects of Dielectric Properties of the Material located inside Multimode Applicator on Microwave Efficiency

Effects of Dielectric Properties of the Material located inside Multimode Applicator on Microwave Efficiency

Microwave Drying Machine for Sea Bass Leathers

The Microwaves - Solution for Improving Woven Fabric

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