Microwave Heating Capabilities of Different Susceptor Material: Experimental and Simulation Study

Patel, Deepak; Bhoi, Neeraj Kumar; Singh, Harpreet

doi:10.1007/s12633-021-01426-4

Cited by 17 publications

(4 citation statements)

References 30 publications

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“…The study of temperature profile revealed that the maximum temperature attained by Graphite at each movement of time is much lower than that of Charcoal (figure 7). This is due to the more insufficient coupling capabilities of Graphite powder with microwaves compared to Charcoal [49]. Also, the heating provided by the Graphite was uncontrolled and nonuniform.…”

Section: Comparing Performance Of Various Susceptor Materials-charcoa...mentioning

confidence: 99%

“…The electric field distribution is caused by the microwave energy conversion in the microwave applicator and the working specimen. Hence, finding the electric field distribution would give the optimum load position for optimistic sample heating [49,50]. The electric field distribution displayed during the process is presented in figure 9, in which the red contour represents the maximum value of the electric field and the blue contour represents the minimum value of an electric field.…”

Section: Electric Field Distributionmentioning

confidence: 99%

“…This study reveals that the temperature-dependent material properties in FEM give results closer to experimental results. The study also concluded that the heating of the susceptor is proportional to the microwave input power [49,50]. The microwave heating of Graphite, Charcoal, and Silicon Carbide as susceptor materials was carried out experimentally with 900 W of input power.…”

Section: Introductionmentioning

confidence: 99%

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Comparative performance of various susceptor materials and vertical cavity shapes for selective microwave hybrid heating (SMHH)

Rawat¹,

Samyal²,

Bedi³

et al. 2022

Phys. Scr.

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The microwave processing of materials is gaining popularity over the past decade due to its unique heating abilities. The microwave hybrid heating (MHH) technique has effectively processed bulk metallic materials. MHH is assisted by susceptor material which forces metals to absorb microwave radiations. Further, MHH is modified to selective microwave hybrid heating (SMHH) to increase the efficiency of the process. This work examines the performance of Graphite and Charcoal susceptors with a conical vertical cavity for SMHH using FEM simulation. It is observed that the maximum temperature achieved by Graphite was 215 ℃ at an exposure time of 300 s, whereas, for Charcoal susceptor, it is 655 ℃. Further, the effect of different vertical cavity shapes (cylindrical and conical) on the SMHH technique is presented for Charcoal susceptor. For an exposure time of 300 s, the temperature rise in the conical and cylindrical cavity is 655 ℃ and 319 ℃, respectively. From resistive heat flow, time-temperature profile and temperature distribution, it is clear how SMHH is significantly effective for a conical vertical cavity having Charcoal susceptor. In addition, the performance of the conical vertical cavity having Charcoal susceptor was validated through experimental study. The real-time temperature profile was determined through testo 885/ testo 890 thermal imaging camera. The observed maximum temperature of the susceptor after heating for 300 s was 639.9 ℃.

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Section: Comparing Performance Of Various Susceptor Materials-charcoa...mentioning

confidence: 99%

Section: Electric Field Distributionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Comparative performance of various susceptor materials and vertical cavity shapes for selective microwave hybrid heating (SMHH)

Rawat¹,

Samyal²,

Bedi³

et al. 2022

Phys. Scr.

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show abstract

“…Owing to the volumetric heating principle, microwave heating has advantages including good energy efficiency, uniform heating mode and short processing time [3][4][5]. Additional benefits of microwave heating include a high level of safety, environmentally friendly and adjustable heating rate [6].…”

Section: Introductionmentioning

confidence: 99%

Feasibility Study of Microwave Welding of Polypropylene Using Silicon Carbide Nanowhiskers as Microwave Susceptor

Foong

Voon

Lim

et al. 2023

MSF

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Currently, welding is the most efficient way for joining of plastic. Due to its rapid heating, efficiency in term of time and energy, and ability to be applied on components of any shape, microwave welding stands out from other welding methods. Additionally, SiCNWs was proposed as the microwave susceptor for the microwave welding of thermoplastic in this work due to its high dielectric loss and biocompatibility. To produce microwave welded joint, SiCNWs was first mixed with acetone to obtain a SiCNWs suspension. After that, SiCNWs was drop casted onto the targeted area of PP, allowed to dry and then microwave irradiated. In this work, the microwave heating time studied ranged from 15 s to 20 s. SEM and single lap shear test were used to characterise the microwave welded joint. From the findings, the tensile strength increased as the microwave heating duration increased from 15 s to 18 s, due to formation of SiCNWs/PP nanocomposite welded joint layer with increasing thickness. Yet, when the microwave heating time was prolonged to 20 s, the tensile strength decreased to 0.85 MPa. Besides, a void was observed at the welded joint and it is believed that the presence of void causes the welded joint to weaken when force is applied. Under properly regulated of microwave heating time, a strengthened nanocomposite welded joint can be produced which demonstrate great promise in plastic welding.

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Chronological Development in Microwave Heating Technology: Design and Applications

Bhoi,

Singh,

Jain

2024

Composites Science and Technology

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Microwave Heating Capabilities of Different Susceptor Material: Experimental and Simulation Study

Cited by 17 publications

References 30 publications

Comparative performance of various susceptor materials and vertical cavity shapes for selective microwave hybrid heating (SMHH)

Comparative performance of various susceptor materials and vertical cavity shapes for selective microwave hybrid heating (SMHH)

Feasibility Study of Microwave Welding of Polypropylene Using Silicon Carbide Nanowhiskers as Microwave Susceptor

Chronological Development in Microwave Heating Technology: Design and Applications

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