Effect of ceramic supports on microwave processing of porous food samples

Basak, Tanmay; Aparna, K.; Meenakshi, A.; Balakrishnan, A.

doi:10.1016/j.ijheatmasstransfer.2006.05.012

Cited by 36 publications

(16 citation statements)

References 18 publications

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“…Three test cases for porosities (/) 0.3, 0.45 and 0.6 were considered and it was found that runaway heating was observed at the face which was not attached with support for b/a samples and the intensity of thermal runaway increases with porosity whereas lower thermal runaway was observed for w/o samples at all porosity values. 114 In addition, metallic support was recommended as optimal heating strategy for higher porosities (/ ! 0.45) whereas alumina-metallic composite support might be suitable for smaller porosities (/ 0.45) of b/a samples.…”

Section: Microwave Heating Of Multiphase Systemsmentioning

confidence: 99%

“…It was found that the intermittent heating with rectangular pattern has the shorter drying time but has the highest energy consumption as well. 133 Basak and coworkers 114 carried out theoretical analysis on microwave heating of various porous food materials. The role of various supports such as ceramic 114 , metallic, and composite supports 115 on efficient heating of porous materials were investigated in presence of resonances.…”

Section: 127mentioning

confidence: 99%

“…133 Basak and coworkers 114 carried out theoretical analysis on microwave heating of various porous food materials. The role of various supports such as ceramic 114 , metallic, and composite supports 115 on efficient heating of porous materials were investigated in presence of resonances. Jindarat and coworkers 134 analyzed energy consumption for microwave drying of porous material using a rectangular waveguide.…”

Section: 127mentioning

confidence: 99%

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Microwave material processing—a review

2011

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Microwave heating is caused by the ability of the materials to absorb microwave energy and convert it to heat. This article represents a review on fundamentals of microwave heating and their interaction with materials for various applications in a comprehensive manner. Experimental studies of single, multimode, and variable frequency microwave processing were reviewed along with their applications. Modeling of microwave heating based on Lambert's law and Maxwell's electromagnetic field equations have also been reviewed along with their applications. Modeling approaches were used to predict the effect of resonances on microwave power absorption, the role of supports for microwave heating, and to determine the nonuniformity on heating rates. Various industrial applications on thermal processing have been reviewed. There is tremendous scope for theoretical and experimental studies on the athermal effects of microwaves. Some of the unresolved problems are identified and directions for further research are also suggested.

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Section: Microwave Heating Of Multiphase Systemsmentioning

confidence: 99%

Section: 127mentioning

confidence: 99%

Section: 127mentioning

confidence: 99%

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Microwave material processing—a review

2011

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“…Penetration depth is dependent on both temperature and concentration of nanoparticles present in a particular control volume. Therefore MaxwelleWagner mixture rule, which is a wellknown model [47] for finding out the effective dielectric properties for a porous medium, was used and given as…”

Section: Electromagnetic Fieldmentioning

confidence: 99%

Experimental and numerical study on microwave heating of nanofluids

Jacob

Basak

Das

2012

International Journal of Thermal Sciences

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“…However, the distribution of microwave power absorption within the porous bed due to effective dielectric response was absent in these analyses. Recently, the effect of ceramic supports on microwave heating of porous dielectrics was investigated by Basak et al [13]. They studied heating of porous samples in presence of various distributions of microwaves and an efficient heating strategy was developed.…”

Section: Introductionmentioning

confidence: 99%