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The ac Harman method has been used for the direct estimation of dimensionless thermoelectric figure of merit (zT) through ac/dc resistance measurements. However, accurate zT estimation with a four-probe configuration is difficult owing to…

材料科学 · 物理学 2024-04-16 Kenjiro Okawa , Yasutaka. Amagai , Norihiko Sakamoto , Nobu-Hisa Kaneko

Runaway electron incidence on plasma facing components triggers explosive events that are accompanied by the expulsion of fast solid debris. Subsequent dust-wall high speed impacts constitute a mechanism of wall damage and dust destruction.…

This article proposes doubly robust estimators for the average treatment effect on the treated (ATT) in difference-in-differences (DID) research designs. In contrast to alternative DID estimators, the proposed estimators are consistent if…

计量经济学 · 经济学 2020-05-07 Pedro H. C. Sant'Anna , Jun B. Zhao

Recent developments of the pump-probe thermoreflectance methods (such as the beam-offset and elliptical-beam approaches of the time-domain and frequency-domain thermoreflectance techniques) enabled measurements of the thermal conductivities…

应用物理 · 物理学 2020-09-02 Puqing Jiang , Heng Ban

We present an accelerated algorithm that samples correctly the thermodynamic ensemble in complex systems where the dynamics is controlled by activation barriers. The efficiency of the thermodynamically-weighted activation-relaxation…

材料科学 · 物理学 2007-05-23 Normand Mousseau , G. T. Barkema

This paper focuses on accelerated aging methods for magnet wire. Reliability of electrical devices such as coils, motors, relays, solenoids and transformers is heavily dependent on the Electrical Insulation System (EIS). Accelerated aging…

系统与控制 · 电气工程与系统科学 2020-04-21 Lukas L. Korcak , Darren F. Kavanagh

Ductile Regime Machining of semiconductors (DRM) offers higher quality of the resulting surfaces. To optimize this process, it is required to understand the thermal kinetics of silicon metallization under pressure. Such understanding is not…

材料科学 · 物理学 2010-08-10 Hisham A. Abdel-Aal , Ysai Reyes , John A. Patten , Lei Dong

A photothermal super resolution technique is proposed for an improved inspection of internal defects. To evaluate the potential of the laser-based thermographic technique, an additively manufactured stainless steel specimen with closely…

We present a rigorous asymptotic analysis framework for investigating the thermal conductivity of shell lattice metamaterials, extending prior work from mechanical stiffness to heat transfer. Central to our analysis is a new metric, the…

偏微分方程分析 · 数学 2025-06-30 Di Zhang , Ligang Liu

We present a calculational method to predict terminations of growing or as-deposited surfaces as a function of the deposition conditions. Such characterizations are valuable for understanding catalysis and growth phenomena. The method…

材料科学 · 物理学 2015-05-18 Jochen Rohrer , Per Hyldgaard

The possibility of using Infrared Lock-In Thermography (LIT) to estimate the thickness of a sample was assessed and shown to be accurate up to 1.8mm. LIT is a technique involving heating samples with halogen lamps with varying intensity…

应用物理 · 物理学 2018-10-15 Ming Hin Wong , Kok Hin Henry Goh

This paper suggests using the configurational temperature $\Tc$ for quantifying how far an active-matter system is from thermal equilibrium. We measure this ``distance'' by the ratio of the systemic temperature $\Ts$ to $\Tc$, where $\Ts$…

软凝聚态物质 · 物理学 2023-02-20 Shibu Saw , Lorenzo Costigliola , Jeppe C. Dyre

A methodology is presented for estimating average values for the temperature and the frictional traction over a tool-workpiece interface using measured values of force and torque applied to the tool. The approach was developed specifically…

材料科学 · 物理学 2014-04-01 Paul R. Dawson , Donald E. Boyce

Adversarial training is a widely adopted strategy to bolster the robustness of neural network models against adversarial attacks. This paper revisits the fundamental assumptions underlying image classification and suggests that representing…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Erh-Chung Chen , Che-Rung Lee

Soon after launch, the Advanced CCD Imaging Spectrometer (ACIS), one of the focal plane instruments on the Chandra X-ray Observatory, suffered radiation damage from exposure to soft protons during passages through the Earth's radiation…

天体物理学 · 物理学 2009-11-11 C. E. Grant , M. W. Bautz , S. E. Kissel , B. LaMarr , G. Y. Prigozhin

Thermal mode spectroscopy (TMS) has been recently proposed for accurately measuring thermal diffusivity of solids from a temperature decay rate of a specific thermal mode selected by three- dimensional (anti)nodal information [Phys. Rev.…

材料科学 · 物理学 2018-06-29 Hideshi Ishida , Hirotsugu Ogi

The detailed knowledge of the inner skin temperature behavior is very important to evaluate and manage the aging of large pipes in cooling systems. We describe here a method to obtain this information as a function of outer skin temperature…

计算物理 · 物理学 2014-04-30 Jean-Philippe Argaud , Bertrand Bouriquet , Aimery Assire , Stéphane Gervais

Two popular boosted decsion tree (BDT) methods, Adaptive BDT (AdaBDT) and Gradient BDT (GradBDT) are studied in the classification problem of separating signal from background assuming all trees are weak learners. The following results are…

数据分析、统计与概率 · 物理学 2018-11-13 Li-Gang Xia

Service life prediction is of great importance to manufacturers of coatings and other polymeric materials. Photodegradation, driven primarily by ultraviolet (UV) radiation, is the primary cause of failure for organic paints and coatings, as…

应用统计 · 统计学 2017-05-10 Yuanyuan Duan , Yili Hong , William Q. Meeker , Deborah L. Stanley , Xiaohong Gu

Robust and non-destructive material classification is a challenging but crucial first-step in numerous vision applications. We propose a physics-guided material classification framework that relies on thermal properties of the object. Our…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Aniket Dashpute , Vishwanath Saragadam , Emma Alexander , Florian Willomitzer , Aggelos Katsaggelos , Ashok Veeraraghavan , Oliver Cossairt