Advanced Heat Transfer Technologies: Fundamentals and Applications

Cheng, Lixin; Wang, Ke; Ghajar, Afshin J.

doi:10.1080/01457632.2022.2164676

Cited by 27 publications

(42 citation statements)

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“…A square crevice 0.33 cm deep was chiseled into the brick so that the brass square would lay flush with the brick's surface. The textbook thermal conductivity of fireclay brick is 0.72 W/m-K [40], and this specimen was at least 1.07 ± 0.01 cm thick in all directions surrounding the bass square. Neglecting the contact resistance (which provides additional thermal insulation, driving the real thermal conductance lower), the thermal conductance through the ceramic was at most 0.0077 W/K.…”

Section: And 10)mentioning

confidence: 83%

“…For an example, a manmade material with the best all-color sunlight transmission properties has an integrated total reflectance of 3.79% [39], while a material with the best total optical absorption properties has an integrated total reflectance of 0.045% [40]. Instead of focusing on surface coatings, another design option is to encapsulate the TEG hot side target within an insulated cavity that allows concentrated sunlight to easily enter, but makes it difficult to escape.…”

Section: E Surface Treatment Temperature Survivability and Selection ...mentioning

confidence: 99%

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Thermoelectric Power Production Efficiency Can Surpass Photovoltaics Under Concentrated Sunlight Due to High-Temperature Performance Degradation

Traum

Mishur

2023

International Journal of Applied Energy Systems

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Section: And 10)mentioning

confidence: 83%

Section: E Surface Treatment Temperature Survivability and Selection ...mentioning

confidence: 99%

Thermoelectric Power Production Efficiency Can Surpass Photovoltaics Under Concentrated Sunlight Due to High-Temperature Performance Degradation

Traum

Mishur

2023

International Journal of Applied Energy Systems

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“…The constant used for the elimination of proportionality sign is known as the convective heat transfer constant ( h c ). The value of h c depends on different variables such as thermo-physical properties of drying fluid, type of fluid flow, geometry, and surface roughness of the solid surface [ 37 ]. …”

Section: Performance Parameters and Analysismentioning

confidence: 99%

Performance Assessment and Modeling Techniques for Domestic Solar Dryers

Shimpy

Kumar

2023

Food Eng Rev

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Solar dryers have always been criticized for their lower performances. There are numerous ways to define the performance of a solar drying system such as thermal performance, drying kinetics, environmental aspects, economic evaluations, and quality of the dried product. Different modeling techniques have also been developed to design and analyze solar dryers and drying processes. This article presents a systematic, comprehensive, and state-of-the-art overview of various performance indicators and modeling techniques used for the evaluation and analysis of solar dryers, especially domestic and low cost solar dryers. Environmental analysis has severe global implications, and product quality is one of the biggest concerns of consumers. But the environmental impact and product quality assessments for domestic solar dryers are observed to be rarely reported in the literature. The use of modeling techniques in solar drying has changed the way of analyzing any thermal system. Here, an attempt is made to establish an overall assessment criterion for domestic solar dryers and to give a one-stop solution for researchers and users around the world.

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“…Thermal resistance can be computed as a summation of resistances (Çengel and Ghajar 2011), which is different depending on whether the heat transfer interaction is considered or not:…”

Section: Steady Ground Modelmentioning

confidence: 99%

The Impact of Ground Heat Capacity on Drinking Water Temperature

Díaz

Boxall

Lamarche

et al. 2023

J. Water Resour. Plann. Manage.

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Temperature is known to impact physical, chemical and biological processes in Drinking Water Distribution Systems (DWDS), but it is rarely considered or modelled. This research evaluates the impact of considering a finite heat capacity for the ground, which has been assumed infinite in previous DWDS research. The aim of this work is to explore and quantify the region where the difference between considering infinite or finite heat capacity for the ground is significant, i.e. the distance over which water-ground heat transfer interaction is important. A detailed model comparison is carried out for key pipe materials, diameters and hydraulic conditions. Temperature 1 Díaz et al, February 27, 2023 effects are found to exist for up to tens of kilometres (i.e. several hours) into the DWDS. While the differences found were only a few degrees Celsius, this will affect all reaction rates, such as chlorine decay, and is at the start of the DWDS so will impact the entire downstream network. This work highlights the importance of considering temperature in DWDS, and in particular the finite heat capacity of the ground, in ensuring the provision of safe drinking water.

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Advanced Heat Transfer Technologies: Fundamentals and Applications

Cited by 27 publications

References 0 publications

Thermoelectric Power Production Efficiency Can Surpass Photovoltaics Under Concentrated Sunlight Due to High-Temperature Performance Degradation

Thermoelectric Power Production Efficiency Can Surpass Photovoltaics Under Concentrated Sunlight Due to High-Temperature Performance Degradation

Performance Assessment and Modeling Techniques for Domestic Solar Dryers

The Impact of Ground Heat Capacity on Drinking Water Temperature

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