Thermal radiation material for electronic devices applications

Sha, Yi‐An; Jhuo, Yu-Sian; Chen, Kuo-Hsun; Wang, Shau-Chew

doi:10.1109/impact.2013.6706676

Cited by 4 publications

(4 citation statements)

References 4 publications

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“…with different wavelengths and can be transmitted through atmosphere, space, vacuum, etc. (Sha, Jhuo, Chen, & Wang, 2013). Radiation transfers heat directly from surface to surface; it does not require any medium to transfer heat.…”

Section: Thermal Radiationmentioning

confidence: 99%

“…For a perfect black body, = 1 and for a human body, = 0.98, hence a very good emitter of thermal radiation. The closer the body is to black/dark colour, the higher the emissive power (Sha et al, 2013).…”

Section: Thermal Radiationmentioning

confidence: 99%

“…The total energy per unit time ( ), radiated by a grey body is then given in Equation 3-2 as (Sha et al, 2013):…”

mentioning

confidence: 99%

“…For an opaque body, there is no transmitted energy, so = 0 and Equation 3-3 then reduces to Equation 3-4 (Sha et al, 2013).…”

mentioning

confidence: 99%

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Thermal and Visual Imaging and Accelerometry Developments to Assist with Arthritis Diagnosis

Nwaizu¹

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Juvenile Idiopathic Arthritis (JIA) is a disease that causes pain and inflammation in the joints of children. Its early diagnosis is important to avoid damage to the joints. Joint warmth, redness and movement restriction may be indicators of active arthritis hence accurate objective means to measure temperature, colour and range of movement (ROM) at the joint may assist diagnosis. In this study, three techniques with a potential to assist clinicians in diagnosing JIA were developed. These were based on high-resolution thermal imaging (HRTI), visual imaging and accelerometry. A detailed correlation analysis was performed between the developed methods and the consultant's clinical assessment of JIA diagnosis. Twenty-two patients (age: mean=10.6 years, SD = 2 years) with JIA diagnosis were recruited. 18 participated in the thermal/visual imaging study only, 2 in the accelerometry study only and 2 in both thermal/visual imaging and accelerometry studies. Thermal and visual images of the front and back of the knees and ankles of 20 patients were studied. All ethical approvals from Sheffield Hallam University and the National Health Service (NHS) were duly obtained before commencing the study. The thermal/visual imaging study involved developing image processing techniques to accurately identify and segment the regions of interest (ROIs). A tracking algorithm to accurately locate the ROIs was also implemented. An accelerometry system that is capable of recording movements from 4 channels was developed and its signals were processed by frequency spectrum analysis, short-time Fourier transform and wavelet packet analysis.

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Section: Thermal Radiationmentioning

confidence: 99%

Section: Thermal Radiationmentioning

confidence: 99%

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Thermal and Visual Imaging and Accelerometry Developments to Assist with Arthritis Diagnosis

Nwaizu¹

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Enhanced thermal conductivity of epoxy/three-dimensional carbon hybrid filler composites for effective heat dissipation

Park

Shin

et al. 2015

RSC Adv.

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Graphitic carbon nanomaterials (CNMs) are recognized as next-generation heat dissipating materials (HDMs) for efficient thermal conduction within a polymer composite. Commercially used carbon-based HDMs, including carbon blacks, carbon nanotubes (CNTs), and graphites, are limited by low thermal conductivity under 50% filler content. Two-dimensional graphenes show high thermal conductivity in their major (xy) planes; however, they still exhibit low thermal conductivity in the z direction, i.e., perpendicular to the major plane, because of the difficulty in obtaining a proper vertical alignment. Here, we introduce a straightforward strategy to improve the thermal conductivity of graphene-based HDMs in both the xy-and z-directions and report the results of our investigation of the thermal conductivity behavior of the epoxy composites. Our newly designed graphene-based HDMs were observed to adopt directly anchored and ohmic-contact morphologies between graphene nanoplatelets (GNP) and CNTs via bimetallic nanoparticle decoration on the GNP surface and subsequent carbon vapor deposition (CVD), and their epoxy composites showed an approximately two-fold enhancement of both in-and through-plane thermal conductivities compared to those of bare GNPs.

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Research Progress of High Thermal Conductivity Graphite/Aluminum Composite Heat Dissipation Substrate for High Power LED Heat Dissipation Packaging

边

2024

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Thermal radiation material for electronic devices applications

Cited by 4 publications

References 4 publications

Thermal and Visual Imaging and Accelerometry Developments to Assist with Arthritis Diagnosis

Thermal and Visual Imaging and Accelerometry Developments to Assist with Arthritis Diagnosis

Enhanced thermal conductivity of epoxy/three-dimensional carbon hybrid filler composites for effective heat dissipation

Research Progress of High Thermal Conductivity Graphite/Aluminum Composite Heat Dissipation Substrate for High Power LED Heat Dissipation Packaging

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