Railway Ballast Diagnose through Impact Hammer Test
Procedia Engineering, 2011 AbstractThis paper reports a feasibility study in the use of measured modal parameters of in-situ concrete sleepers to detect possible damage of the underlying railway ballast. There are many methods developed for monitoring and damage detection of the rail track.
Lam, H.F., Wong, M.T.
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Functional relations modulate the responsiveness to affordances despite the impact of conflicting stimulus-response mappings [PDF]
, 2017 The study investigated how conflicting stimulus-response mappings influenced affordance processing given a manipulation of the functional relations. Participants performed a task involving consistent-inconsistent stimulus-response mappings: Implicit ...
Barnes-Holmes, Patrick Michael Dermot +2 more
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Experimental and Numerical Investigation of Steel Sections under Impact Effect
Građevinar, 2021 Experimental and numerical behaviour of steel test specimens with various types of joints is investigated in this study. A drop weight test setup with necessary test equipment is used for this purpose.
Engin Gücüyen +3 more
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Ultrasonically Assisted Hammer-Action Penetrators in Planetary Regolith [PDF]
, 2018 This paper describes the effects of combining ultrasonic vibration with hammer-action style penetrators, such as the HP3 probe on the InSight mission. By synchronizing short pulses of vibration with the impact of the hammer, the number of hammer strikes ...
Firstbrook, David +3 more
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Thermal performance enhancement of a heat exchanger using metal chain as a novel turbulator [PDF]
, 2021 Enhancing heat transfer in a heat exchanger system is critical to many industrial applications. There are many problems that require in-depth studies to find solutions.
Ghitheeth, Ali Hussein
core
Experimental Characterization of the Torsional Damping in CFRP Disks by Impact Hammer Modal Testing [PDF]
Polymers, 2020 Composite materials are widely used for their peculiar combination of excellent structural, mechanical, and damping properties. This work presents an experimental study on the dissipation properties of disk-shaped composite specimens exploiting vibration tests.
Cosco F. +4 more
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Qualification of Propeller by Experimental and Analytical Methods [PDF]
International Journal of Advanced Design and Manufacturing Technology, 2019 The paper focuses on static and dynamic analysis of propeller blade made of Aluminium-24345 material. The solid model of propeller blade and propeller are developed in CATIA V5 R20.
K. Siva Prasad, S. Murthy Bellala
doaj
Analysis and Design of Small-Impact Magnetoelectric Generator
Machines, 2023 For projectile impact penetration experiment, batteries or capacitors are usually used as power sources for projectile-borne recording devices. However, these power sources are easy to fail under high impact. In this paper, a small-impact magnetoelectric
Shaohua Niu +4 more
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International Journal of Automotive Science and Technology, 2019 In this study; the weight of the modal accelerometer used in the Roving Hammer Impact Test Method was added in the finite element analysis (FEA) and the undamped modal analysis of the automotive rear lamp lenses were performed.
Taner Çal +3 more
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Validation of a laboratory method for evaluating dynamic properties of reconstructed equine racetrack surfaces. [PDF]
, 2012 BackgroundRacetrack surface is a risk factor for racehorse injuries and fatalities. Current research indicates that race surface mechanical properties may be influenced by material composition, moisture content, temperature, and maintenance. Race surface
Chau, Anh +6 more
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