Results 61 to 70 of about 308 (180)
Journal of Electrical and Computer Engineering, Volume 2025, Issue 1, 2025.Orthogonal frequency division multiplexing (OFDM) is a widely used modern communications technology due to its resistance to selective frequency fading and efficient use of spectrum. However, the security of OFDM signals remains a source of serious concern, especially in the face of network encryption that aims to disrupt communications or extract ...
Ammar Mohammedali Fadhil +2 more
wiley +1 more source
Validation of the Subchannel Code SUBCHANFLOW Using the NUPEC PWR Tests (PSBT)
Science and Technology of Nuclear Installations, 2012 SUBCHANFLOW is a computer code to analyze thermal-hydraulic phenomena in the core of pressurized water reactors, boiling water reactors, and innovative reactors operated with gas or liquid metal as coolant.
Uwe Imke, Victor Hugo Sanchez
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Robust User Identification in Massive MIMO Systems Using Compressed Sensing Techniques
Journal of Electrical and Computer Engineering, Volume 2025, Issue 1, 2025.In 5G and beyond 5G wireless communication networks, massive multiple‐input multiple‐output (MIMO) technologies are essential for improved energy and spectrum efficiency. These systems are very effective at channel estimation and active user detection in situations with many users, and only a small percentage of them send data during a given time frame.
Ubaid Umar +3 more
wiley +1 more source
Development and validation of a fast sub-channel code for LWR multi-physics analyses
Nuclear Engineering and Technology, 2019 A sub-channel solver, named Steady and Transient Analyzer for Reactor Thermal hydraulics (START), has been developed using the homogenous model for two-phase conditions of light water reactors.
Khurrum Saleem Chaudri +2 more
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Research on DTW-based Data Assimilation Techniques for Subchannel Code
Yuanzineng kexue jishuThis study aims to develop a data assimilation framework based on dynamic time warping (DTW) and ensemble Kalman filter (EnKF) to solve the problem of insufficient prediction accuracy of steady-state and transient conditions in thermal-hydraulic analysis
GUO Wenhui, JIANG Mingyu, ZHANG Jing, WANG Mingjun, WU Yingwei, HE Yanan, GUO Kailun, TIAN Wenxi, SU Guanghui, QIU Suizheng
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Adaptation of SUBCAL subchannel code for square-lattice rod bundles using PSBT benchmark
Acta Polytechnica CTU ProceedingsSubchannel analysis is a commonly used approach for simulating heat transfer and coolant flow in nuclear reactor cores. This paper presents the adaptation of the SUBCAL computational code, originally developed for reactors with a triangular lattice, to ...
Lucie Titzová +2 more
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Uncertainty analysis of loss of coolant flow accident in lead–bismuth reactor using subchannel code
He jishuBackgroundSubchannel codes constitute an important computational tool in the field of reactor thermo-hydraulics. Uncertainty analysis methods can be used to effectively identify and quantify the uncertainties of code input parameters and model ...
WANG Kai, YANG Junkang, ZHAO Pengcheng
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Code and Solution Verification Assessment of the CTF Thermal Hydraulic Subchannel Code [PDF]
, 2021 Robert Salko Jr, M. Pilch, Vineet Kumar
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Influence of Spacer Grid Outer Strap on Fuel Assembly Thermal Hydraulic Performance
Science and Technology of Nuclear Installations, 2014 The outer strap as a typical structure of a spacer grid enhances the mechanical strength, decreases hang-up susceptibility, and also influences thermal hydraulic performance, for example, pressure loss, mixing performance, and flow distribution.
Jingwen Yan +4 more
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Development and Assessment of Spacer Grid Model in COSINE Multiphase Subchannel Code
Yuanzineng kexue jishuThe spacer grid models are important models for simulating the thermal-hydraulics phenomena during reflooding process. The spacer grid pressure drop model, wall heat transfer enhancement model, interfacial heat transfer enhancement model, droplet ...
CHEN Lin, ZHANG Hao, DUAN Bingqi, MA Qichao, ZHOU Fanfan, YANG Yanhua, ZHAO Meng
doaj +1 more source