Imaging of liquid temperature distribution during microwave heating via thermochromic metal organic frameworks

Shen, Xi; Hong, Liu; Zhao, Zhenyu; Li, Xingang; Li, Kai; Gao, Xin

doi:10.1016/j.ijheatmasstransfer.2022.122667

Cited by 20 publications

(19 citation statements)

References 44 publications

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“…MW irradiation can be generated from clean and renewable electrical sources, making it an energy-efficient alternative for material preparation, heterogeneous catalytic reactions and chemical separation due to its unique heating characteristics and ability to heat quickly. 139,140 MW technology is currently in various industries, such as food, rubber, sterilization, medical treatment, agricultural and forestry. [139][140][141][142] Many research studies have been conducted on MW-assisted processes for the production, modication and regeneration of carbon materials and their organic precursors as they are generally good MW absorbers.…”

Section: Advantages and Limits In Industrial Applicationsmentioning

confidence: 99%

“…139,140 MW technology is currently in various industries, such as food, rubber, sterilization, medical treatment, agricultural and forestry. [139][140][141][142] Many research studies have been conducted on MW-assisted processes for the production, modication and regeneration of carbon materials and their organic precursors as they are generally good MW absorbers. 1,66,112,139,140 Although MW technology has achieved success on a laboratory scale, its application in industrial elds requires a better understanding on the interaction between the MW eld and substrates.…”

Section: Advantages and Limits In Industrial Applicationsmentioning

confidence: 99%

“…[139][140][141][142] Many research studies have been conducted on MW-assisted processes for the production, modication and regeneration of carbon materials and their organic precursors as they are generally good MW absorbers. 1,66,112,139,140 Although MW technology has achieved success on a laboratory scale, its application in industrial elds requires a better understanding on the interaction between the MW eld and substrates. The theoretical and technological gap needs to be addressed to achieve ne control over the process and facilitate scale-up.…”

Section: Advantages and Limits In Industrial Applicationsmentioning

confidence: 99%

See 2 more Smart Citations

Glycerol and microwave-assisted catalysis: recent progress in batch and flow devices

Costas

Oliveira

Esposito

et al. 2023

Sustainable Energy Fuels

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Section: Advantages and Limits In Industrial Applicationsmentioning

confidence: 99%

Section: Advantages and Limits In Industrial Applicationsmentioning

confidence: 99%

Section: Advantages and Limits In Industrial Applicationsmentioning

confidence: 99%

See 1 more Smart Citation

Glycerol and microwave-assisted catalysis: recent progress in batch and flow devices

Costas

Oliveira

Esposito

et al. 2023

Sustainable Energy Fuels

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“…Controlling the temperature distribution in microwave-heated reactors is a key to optimizing them . However, it remains elusive because the measurements of spatiotemporal temperature evolution within microwave-heated reactors remain challenging . Thermocouples are unsuitable for measuring the temperature in microwave cavities, and the commonly employed fiber optics are limited by a maximum temperature of ∼300 °C. , In this regard, computational models that can probe a vast design space to achieve an optimal temperature profile are desirable.…”

Section: Introductionmentioning

confidence: 99%

A Computationally Fast Method to Simulate Microwave-Heated Monoliths

Parmar

Kavale

Goyal

2023

Ind. Eng. Chem. Res.

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Microwave-assisted process intensification is a promising technique hindered by the unavailability of design rules for optimization and scale-up. High-throughput computational models allowing the exploration of a vast design space are imperative for the rapid development and deployment of intensified microwave reactors. Recently, structured reactors, especially monoliths, are emerging as a canonical multiphase reactor setup in the microwave-heating community. The vast separation of scales in these reactors leads to a large number of mesh elements, making the simulations time-consuming and challenging to converge. To this end, we employ volume and asymptotic averaging to represent monoliths, a multiphase system consisting of a fluid and a solid phase, as a continuum or effective medium. We rigorously verify the adequacy of the averaging techniques to predict the spatiotemporal distribution of the electric field, electromagnetic power dissipation, and temperature against fully resolved monolith simulations. The developed continuum model can replicate the three-dimensional transient behavior obtained from the multiphase simulations with an order of magnitude lower computational expense. Moreover, the continuum model allows easier mesh generation and convergence of numerical solution than the multiphase model. The developed multiscale framework can be used to simulate microwave-heated monoliths and other multiphase reactors, such as packed beds and open-cell foams.

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“…The main drawbacks of TSP are its extremely short lifetime 28 and long response time of tens of microseconds, 25 which makes it only suitable for extremely short observations. Shen et al 29 used zinc-based metal−organic framework (ZMOF) particles to study liquid temperature distributions during microwave heating. The ZMOF they synthesized shifts its emission wavelength instead of the photoluminescent intensity upon temperature change.…”

Section: ■ Introductionmentioning

confidence: 99%

Development of Perovskite Quantum Dots for Two-Dimensional Temperature Sensors

Zhu

Buitenhuis

Förster

et al. 2023

ACS Appl. Nano Mater.

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In situ temperature measurement for closed systems is always challenging due to various physical limitations. With the aim to visualize the heat transfer phenomena in situ continuously with a longer time scale, octylamine substituted CsPbBr3 perovskite quantum dots (QDs) are synthesized, leading to its thermo-sensitity being doubled. An optical-based 2D temperature sensor based on these ligand-modified QDs is developed, targeting microreactors and other circumstances where conventional thermal sensing protocols are not applicable. The developed method has the advantages of repeatability, long lifetime, low cost, fast response time, and broader applicability since it does not require IR transparent substrates. On top of these advantages, the proposed method also provides satisfactory spatial and temporal resolution, which is typically limited by the camera’s specification rather than the materials.

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Imaging of liquid temperature distribution during microwave heating via thermochromic metal organic frameworks

Cited by 20 publications

References 44 publications

Glycerol and microwave-assisted catalysis: recent progress in batch and flow devices

Glycerol and microwave-assisted catalysis: recent progress in batch and flow devices

A Computationally Fast Method to Simulate Microwave-Heated Monoliths

Development of Perovskite Quantum Dots for Two-Dimensional Temperature Sensors

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