⚡ electrical engineering

Recalibrated Nitrogen-Oxide (NOx) Emission-Index Model for Hydrogen Combustion Aircraft Engine Performance Analysis

This study recalibrates a computationally efficient p3T3-based NOx emission-index model using expanded literature data to improve prediction accuracy for hydrogen aircraft engines, achieving a higher R² of 0.77 while quantifying uncertainties and demonstrating that hydrogen combustion still produces lower NOx emissions than kerosene under comparable conditions.

Marcus Wiegand, Philipp Kiendl, Ronald Mailach2026-10-22
⚡ electrical engineering

Non-Contact Heart Rate Estimation for Moving Subjects via aDual-Trajectory Hybrid Deep Framework

This paper proposes a dual-trajectory hybrid deep framework that combines a customized Kalman filter for robust phase extraction with a Variational Mode Decomposition-enhanced deep learning model to effectively suppress motion artifacts and achieve accurate, contact-free heart rate estimation for moving subjects using millimeter-wave FMCW radar.

Jianan Tong, Jun Guo, Na Peng2026-10-22
⚡ electrical engineering

Experimental Evaluation of Low-Cost GNSS Receivers for Deformation Monitoring in High-rise Buildings

This study demonstrates that low-cost dual-frequency GNSS receivers, particularly when paired with appropriate antennas, can achieve centimeter-to-sub-centimeter accuracy in monitoring both quasi-static and dynamic deformations of high-rise buildings, offering a viable and affordable alternative to expensive geodetic-grade systems.

Jayamanne Mudalige Oshadee Jayamanne, Panagiotis Psimoulis, John Owen, Nigel Penna, Chenyu Xue2026-10-21
⚡ electrical engineering

CIDE: Calibration identiability-governed with structural diagnosis of water distribution networks

This study applies a calibration identifiability-governed framework (CIDE) to a water distribution network, demonstrating that while the model achieves high predictive accuracy for pressures and flows, the strong correlation between demand and leakage renders them structurally unidentifiable, necessitating external telemetry analysis to estimate physical leakage.

Alexandre da Silva Gonçalves, Guilherme da Cruz dos Reis, Kamila Almeida dos Santos, Tatiane Souza Rodrigues Pereira, Kl (…)2026-10-21
⚡ electrical engineering

Comparative Assessment of Chang–Chang and Tsai–Wu Failure Criteria for Predicting Low-Velocity Impact Damage in CFRP Laminates using LS-DYNA

This study validates an LS-DYNA finite element model of low-velocity impact on CFRP laminates against experimental data and demonstrates that while Chang–Chang and Tsai–Wu failure criteria yield nearly identical global structural responses, they primarily diverge in predicting local matrix and fiber damage mechanisms.

Manjunath S. B, Shivashankar R Srivatsa, Abhinav T, P. M. G. Bashir Asdaque, Anand V. S, Rohan Suresh, Akshay K. S., Shr (…)2026-10-21
⚡ electrical engineering

Physics-Informed Multiscale Modeling of High-Bandwidth Electrohydraulic Actuator Dynamics

This paper presents a physics-informed multiscale modeling framework that integrates micro-scale CFD-derived discharge coefficient correlations and meso-scale transient fluid inertia effects into a macro-scale reduced-order model, achieving high-accuracy predictions of high-bandwidth electrohydraulic actuator dynamics (errors <5% up to 800 Hz) and demonstrating the critical importance of these factors for next-generation system design and digital-twin deployment.

A S Sharraan, G Manavendra, S. P Shivakumar, P. B Bharath, H V Anand2026-10-21
⚡ electrical engineering

Influence of Injector Nozzle-Hole Configuration on the Performance, Combustion, and Emission Characteristics of a Jatropha Biodiesel–Hydrogen Dual-Fuel Diesel Engine

This experimental study demonstrates that a four-hole injector nozzle configuration (N4) combined with a 15% Jatropha biodiesel blend and hydrogen enrichment optimizes the performance and carbon-related emissions of a diesel engine, achieving the highest brake thermal efficiency and lowest fuel consumption, though it results in a trade-off of increased NOx emissions.

Swapnil Thikane2026-10-21
⚡ electrical engineering

Multiscale mechanical characterization and constitutive modeling of a modified bituminous composite: Linking laboratory performance to time temperature dependent and multi-model prediction

This study demonstrates that incorporating CECABASE 300 into asphalt mixtures significantly enhances mechanical and thermo-viscoelastic performance, while validating the 39-parameter Generalized Kelvin–Voigt model as the most accurate tool for predicting the material's time-temperature dependent behavior across a wide range of conditions.

Zoa Ambassa, Ngo Nyobe Jeanne Aurelie, Amba Jean Chills, Bodol Momha Merlin, Djopkop Kouanang Landry2026-10-21
⚡ electrical engineering

Synergistic effects of mechanical reciprocation, biogas scouring, and quorum quenching on membrane fouling mitigation in an Anaerobic Migrating Bed Reactor (AnMBR)

This study demonstrates that the synergistic integration of mechanical reciprocation, biogas scouring, and quorum quenching effectively mitigates membrane fouling and enhances the long-term hydraulic stability of anaerobic membrane bioreactors.

Thao Tran Minh, Hanh Do Hong, Son Nguyen Hoang Phuc, Toan Nguyen-Sy2026-10-21