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The ability of computational fluid dynamics (CFD) models to predict flow boiling at high heat flux and high flow velocity conditions has been investigated. High heat fluxes of about 10 MW/m 2 and high flow velocities of about 10 m/s…

Phase change process plays a critical role in thermal management systems, yet quantitative characterization of multiphase heat transfer remains limited by the challenges of measuring temperature fields in chaotic, rapidly evolving flow…

机器学习 · 计算机科学 2026-02-03 Qianxi Fu , Youngjoon Suh , Xiaojing Zhang , Sanghyeon Chang , Yoonjin Won

In this paper, we explore the potential of generative machine learning models as an alternative to the computationally expensive Monte Carlo (MC) simulations commonly used by the Large Hadron Collider (LHC) experiments. Our objective is to…

高能物理 - 实验 · 物理学 2023-11-21 Allison Xu , Shuo Han , Xiangyang Ju , Haichen Wang

Computational modeling of the melt pool dynamics in laser-based powder bed fusion metal additive manufacturing (PBF-LB/M) promises to shed light on fundamental mechanisms of defect generation. These processes are accompanied by rapid…

计算工程、金融与科学 · 计算机科学 2026-03-05 Nils Much , Magdalena Schreter-Fleischhacker , Peter Munch , Martin Kronbichler , Wolfgang A. Wall , Christoph Meier

Infrared thermography is a powerful tool for studying liquid-to-vapor phase change processes. However, its application has been limited in the study of vapor-to-liquid phase transitions due to the presence of complex liquid dynamics,…

In this thesis, a variable speed heat conducting cylinder is positioned in the middle of a rectangular channel with an active flow modification system to demonstrate a numerical study of steady two-dimensional mixed convention heat transfer…

流体动力学 · 物理学 2022-10-25 Md Imran Khan , Md. Mamun Billah , Mohammed Mizanur Rahman

Image fusion aims to integrate complementary information from multiple input images acquired through various sources to synthesize a new fused image. Existing methods usually employ distinct constraint designs tailored to specific scenes,…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Bing Cao , Xingxin Xu , Pengfei Zhu , Qilong Wang , Qinghua Hu

A powerful approach, and one of the most common ones in structural health monitoring (SHM), is to use data-driven models to make predictions and inferences about structures and their condition. Such methods almost exclusively rely on the…

机器学习 · 计算机科学 2022-03-04 G. Tsialiamanis , D. J. Wagg , N. Dervilis , K. Worden

The accurate prediction of the two-phase heat transfer coefficient (HTC) as a function of working fluids, channel geometries and process conditions is key to the optimal design and operation of compact heat exchangers. Advances in…

流体动力学 · 物理学 2023-05-31 Tullio Traverso , Francesco Coletti , Luca Magri , Tassos G. Karayiannis , Omar K. Matar

In challenging low light and adverse weather conditions,thermal vision algorithms,especially object detection,have exhibited remarkable potential,contrasting with the frequent struggles encountered by visible vision algorithms.…

计算机视觉与模式识别 · 计算机科学 2024-08-08 Guoqing Zhu , Honghu Pan , Qiang Wang , Chao Tian , Chao Yang , Zhenyu He

In the context of Earth observation, change detection boils down to comparing images acquired at different times by sensors of possibly different spatial and/or spectral resolutions or different modalities (e.g., optical or radar). Even…

图像与视频处理 · 电气工程与系统科学 2023-11-30 Jin-Ju Wang , Nicolas Dobigeon , Marie Chabert , Ding-Cheng Wang , Ting-Zhu Huang , Jie Huang

Thermal power flow (TPF) is an important task for various control purposes in 4 Th generation district heating grids with multiple decentral heat sources and meshed grid structures. Computing the TPF, i.e., determining the grid state…

机器学习 · 计算机科学 2024-03-19 Andreas Bott , Mario Beykirch , Florian Steinke

We have developed a new data-driven paradigm for the rapid inference, modeling and simulation of the physics of transport phenomena by deep learning. Using conditional generative adversarial networks (cGAN), we train models for the direct…

机器学习 · 计算机科学 2017-09-11 Amir Barati Farimani , Joseph Gomes , Vijay S. Pande

Temperature monitoring during the life time of heat source components in engineering systems becomes essential to guarantee the normal work and the working life of these components. However, prior methods, which mainly use the interpolate…

机器学习 · 计算机科学 2022-12-27 Zhiqiang Gong , Weien Zhou , Jun Zhang , Wei Peng , Wen Yao

Generative adversarial nets (GANs) have become a preferred tool for tasks involving complicated distributions. To stabilise the training and reduce the mode collapse of GANs, one of their main variants employs the integral probability…

机器学习 · 计算机科学 2020-10-27 Shengxi Li , Zeyang Yu , Min Xiang , Danilo Mandic

The problem of Scene flow estimation in depth videos has been attracting attention of researchers of robot vision, due to its potential application in various areas of robotics. The conventional scene flow methods are difficult to use in…

计算机视觉与模式识别 · 计算机科学 2019-04-26 Ravi Kumar Thakur , Snehasis Mukherjee

Collaborative Filtering (CF) has emerged as fundamental paradigms for parameterizing users and items into latent representation space, with their correlative patterns from interaction data. Among various CF techniques, the development of…

信息检索 · 计算机科学 2022-04-29 Lianghao Xia , Chao Huang , Yong Xu , Jiashu Zhao , Dawei Yin , Jimmy Xiangji Huang

Approximating wind flows using computational fluid dynamics (CFD) methods can be time-consuming. Creating a tool for interactively designing prototypes while observing the wind flow change requires simpler models to simulate faster. Instead…

计算机视觉与模式识别 · 计算机科学 2022-01-05 Henrik Hoeiness , Kristoffer Gjerde , Luca Oggiano , Knut Erik Teigen Giljarhus , Massimiliano Ruocco

Signal representation in Time-Frequency (TF) domain is valuable in many applications including radar imaging and inverse synthetic aparture radar. TF representation allows us to identify signal components or features in a mixed time and…

信号处理 · 电气工程与系统科学 2021-06-02 Zeynel Deprem , A. Enis Çetin

Pansharpening is a widely used image enhancement technique for remote sensing. Its principle is to fuse the input high-resolution single-channel panchromatic (PAN) image and low-resolution multi-spectral image and to obtain a…

计算机视觉与模式识别 · 计算机科学 2021-12-01 Zixiang Zhao , Jiangshe Zhang , Shuang Xu , Kai Sun , Lu Huang , Junmin Liu , Chunxia Zhang