Results 141 to 150 of about 1,306,417 (313)

Physics-informed transfer learning model for fatigue life prediction of IN718 alloy

Journal of Materials Research and Technology
To address the challenges posed by inadequate data and data utilization in multiple scenarios of fatigue loading, a Physics-informed Transfer Learning (PITL) model has been developed to predict the fatigue life of IN718 superalloy.
Baihan Chen, Jianfeng Zhang, Shangcheng Zhou, Guangping Zhang, Fang Xu   +4 more
doaj   +1 more source

Flight evaluation of an extended engine life mode on an F-15 airplane [PDF]

An integrated flight and propulsion control system designed to reduce the rate of engine deterioration was developed and evaluated in flight on the NASA Dryden F-15 research aircraft.
Conners, Timothy R., Myers, Lawrence P.
core   +1 more source

Uncertainty, Sensitivity, and Efficiency Analysis of a Hybrid Piezoelectric–Electromagnetic Energy Harvester

International Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT Digitalization and emerging technologies are increasing the demand for wireless sensing and the Internet of Things (IoT), which provide opportunities for autonomous sources of electricity in the form of energy harvesting systems. This paper focuses on the challenges in hybrid piezoelectric‐electromagnetic kinetic energy harvesting systems that
Petr Sosna, Damian Gaska, Zdeněk Hadaš
wiley   +1 more source

Control technology for future aircraft propulsion systems [PDF]

The need for a more sophisticated engine control system is discussed. The improvements in better thrust-to-weight ratios demand the manipulation of more control inputs. New technological solutions to the engine control problem are practiced.
Lehtinen, B., Merrill, W. C., Soeder, J. F., Szuch, J. R., Zeller, J. R.   +4 more
core   +1 more source

Considerations on civil aircraft design assurance system review

Hangkong gongcheng jinzhan
The establishment and maintenance of a design assurance system（DAS）by the type certificate applicant is part of the requirements of CAAC airworthiness regulations, which has legal effect. Due to the late start of China's civil aviation industry, there is
MENG Xianzhang, LI Honglin, WANG Kai
doaj   +1 more source

Ordered Median Traveling Salesman Problem

Networks, EarlyView.
ABSTRACT This paper introduces a novel combinatorial optimization problem with ordering constraints, termed the Ordered Median Traveling Salesman Problem (OMTSP). The OMTSP integrates key elements from both the classic Traveling Salesman Problem (TSP) and the Ordered Median Location Problem.
Ivana Ljubić, Alfredo Marín, Justo Puerto, Francisco Temprano   +3 more
wiley   +1 more source

Gas exchange optimization in aircraft engines using sustainable aviation fuel: A design of experiment and genetic algorithm approach

Energy and AI
The poppet valves two-stroke (PV2S) aircraft engine fueled with sustainable aviation fuel is a promising option for general aviation and unmanned aerial vehicle propulsion due to its high power-to-weight ratio, uniform torque output, and flexible valve ...
Zheng Xu, Jinze Pei, Shuiting Ding, Longfei Chen, Shuai Zhao, Xiaowei Shen, Kun Zhu, Longtao Shao, Zhiming Zhong, Huansong Yan, Farong Du, Xueyu Li, Pengfei Yang, Shenghui Zhong, Yu Zhou   +14 more
doaj   +1 more source

Advanced prediction technique for the low speed aerodynamics of V/STOL aircraft. Volume 2: User's manual [PDF]

A computerized prediction method known as the Vought V/STOL Aircraft Propulsive Effects computer program (VAPE) for propulsive induced forces and moments in transition and Short TakeOff and Landing (STOL) flight is improved and evaluated.
Beatty, T. D., Worthey, M. K.
core   +1 more source

The Role of Interfacial Shear Strength in Composite Performance

Polymer Composites, EarlyView.
Plasma‐modified fibre interfaces: effects on interfacial shear strength and composite fracture behaviour. ABSTRACT This study investigates the role of interfacial shear strength (ISS) in governing the mechanical behavior of fiber‐reinforced composites through an experimental approach.
G. Scarselli, N. Murphy, D. Dowling, P. S. Rao, N. P. O’Dowd, A. Ivankovic   +5 more
wiley   +1 more source

User privacy prevention model using supervised federated learning‐based block chain approach for internet of Medical Things

CAAI Transactions on Intelligence Technology, EarlyView., 2023
Abstract This research focuses on addressing the privacy issues in healthcare advancement monitoring with the rapid establishment of the decentralised communication system in the Internet of Medical Things (IoMT). An integrated blockchain homomorphic encryption standard with an in‐build supervised learning‐based smart contract is designed to improvise ...
Chandramohan Dhasarathan, Mohammad Kamrul Hasan, Shayla Islam, Salwani Abdullah, Shailesh Khapre, Dalbir Singh, Abdulaziz A. Alsulami, Ali Alqahtani   +7 more
wiley   +1 more source