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Importance of the fundamental entropy for determining interfacial thermal resistance temperature jump differences.
Publication Type: Academic Journal
Source(s): Journal of Applied Physics. 10/21/2023, Vol. 134 Issue 15, p1-8. 8p.
Abstract: This work presents a method for calculating the difference in temperature jumps observed at the solid–water and water–solid interfaces when heat is flowing under steady state conditions from a hot to a cold solid separated by an intermediate water phas...
Amorphous Poly (Aryl Ether Ketones) Containing Methylene Groups with Excellent Thermal Resistance, Dielectric Properties and Mechanical Performance.
Publication Type: Academic Journal
Source(s): Polymers (20734360). Nov2023, Vol. 15 Issue 21, p4330. 13p.
Abstract: Low-dielectric constant polymers are widely used in various microelectronic materials. With the development of 5G communication technology, there is an urgent need for polymer materials with low dielectric constant at high frequency, good thermal resis...
Synthesis and Thermal Oxidation Resistance of Boron-Rich Boron–Carbide Material.
Publication Type: Academic Journal
Source(s): Materials (1996-1944). Oct2023, Vol. 16 Issue 19, p6526. 9p.
Abstract: A boron-rich boron–carbide material (B4+δC) was synthesized by spark plasma sintering of a ball-milled mixture of high-purity boron powder and graphitic carbon at a pressure of 7 MPa and a temperature of 1930 °C. This high-pressure, high-temperature sy...
Analytical model for the injection recombination current in quantum well micro-light emitting diodes.
Publication Type: Academic Journal
Source(s): Journal of Applied Physics. 10/21/2023, Vol. 134 Issue 15, p1-8. 8p.
Abstract: This paper presents a novel physics-based analytical model for the injection recombination current in micro-light emitting diodes (μLEDs) with multiple quantum wells (MQWs), specifically excluding trap-assisted tunneling contributions at low forward vo...
Assessing the Effect of Air Intrusion on Reflective Insulations Performance with Horizontal Heat Flow.
Publication Type: Academic Journal
Source(s): Buildings (2075-5309). Oct2023, Vol. 13 Issue 10, p2461. 46p.
Abstract: The determination of thermal resistances (R-values) for enclosed airspaces, including those with one or more low-emittance surfaces, has advanced from one-dimensional heat transfer between large parallel planes to multi-dimensional heat flow in a wide ...
Enhanced Thermal Shock Resistance of High-Temperature Organic Adhesive by CF-SiCNWs Binary Phase Structure.
Publication Type: Academic Journal
Source(s): Materials (1996-1944). Sep2023, Vol. 16 Issue 17, p5983. 11p.
Abstract: The development of high-temperature organic adhesive for bonding ultra-high-temperature ceramics with excellent thermal shock resistance has important significance to thermal protection systems for high-temperature environment application. In this stud...
Manufacturing and Thermal Shock Resistance of 3D-Printed Porous Black Zirconia for Concentrated Solar Applications.
Publication Type: Academic Journal
Source(s): Crystals (2073-4352). Sep2023, Vol. 13 Issue 9, p1323. 11p.
Abstract: A novel approach for manufacturing porous materials, foreseen as solar receivers for concentrated sun radiation, used in the power tower technology is presented. In such applications, materials are subjected to steep thermal gradients and thousands of ...
Changes in Clay Hollow Block Geometry for Energy Efficiency Benefits—Thermal Simulation for Brazil.
Publication Type: Academic Journal
Source(s): Buildings (2075-5309). Jul2023, Vol. 13 Issue 7, p1594. 16p.
Abstract: Masonry, which constitutes a large area of many buildings' envelopes, represents important thermal performance and energy consumption functions. Clay hollow block geometry can influence these results. In this sense, this work aims to numerically evalua...
A Critical Review of Techniques for the Experimental Extraction of the Thermal Resistance of Bipolar Transistors from DC Measurements—Part I: Thermometer-Based Approaches.
Publication Type: Academic Journal
Source(s): Electronics (2079-9292). Aug2023, Vol. 12 Issue 16, p3471. 28p.
Abstract: This paper presents a critical and detailed overview of experimental techniques for the extraction of the thermal resistance of bipolar transistors from simple DC current/voltage measurements. More specifically, this study focuses on techniques based o...
Estimating In-Situ R-Value of Highly Insulated Building Walls Based on the Measurement of Temperature and Heat Flux Inside the Wall.
Publication Type: Academic Journal
Source(s): Energies (19961073). Aug2023, Vol. 16 Issue 15, p5714. 16p.
Abstract: Accurate and rapid in situ measurements of the thermal resistance (R-value) of building envelopes are necessary for assessing planned performance and identifying appropriate retrofitting strategies. Although there are several approaches for in situ R-v...