Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 9 of 9 for “"Energy Absorber"”.
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A new energy absorber for earthquake resistant buildings
… this thesis is associated with the design of an energy absorbing device. The device as well as being capable to absorb high amount of energy, possess all the necessary properties of a structural member. Most energy absorbing devices have not the necessary conditions to be used as a structural …
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Computational Fluid Dynamics Simulations of Hydraulic Energy Absorber
Hydraulic energy absorbers may be described as high-loss centrifugal turbomachines arranged to operate as stalled torque converters. The device absorbs the kinetic energy of a vehicle in motion and dissipates the energy into water. A steady, single-phase, Computational Fluid Dynamics (CFD) …
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Virtual Reality Modeling of a Car Suspension with Active Control Capability
… Regulator (LQR) as well as a new Nonlinear Energy Absorber (NEA) which utilizes both nonlinear springs and nonlinear damper. The mathematics of the plant, the kinematics of the system, and the visual specifications of the scene are integrated into a three-dimensional environment where the …
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Mitigating Concussion: An Innovative Football Helmet
… helmet.The helmet material that acts as an energy absorber is the most important parameter in helmet design. The main objective of this study is to investigate the impact response and energy absorption capability of different shock absorbing materials, in order to find an alternative safer …
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Evaluation of foam concrete physical properties and mechanical response under indentation
… loaded to failure, accompanied by considerable energy dissipation. Taking advantage of this crushable nature, a novel usage of foam concrete is found in impact-absorbing applications. Unlike structural concrete, the functional application of foam concrete also shows good feasibility for …
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A numerical assessment of architectural parameters for anisotropic behavior in idealised trabecular structures
… for a larger bearing surface and acts as an energy absorber. Trabecular bone has a complex, heterogeneous, anisotropic open cell lattice structure with a large variation in mechanical properties across anatomic site, species, sex, age, normal loading direction and disease state. A common …
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Untersuchungen zur Beeinflussung des durch Störlichtbögen verursachten Überdrucks in elektrischen Anlagen
… volumes and relief ducts,- fault arc energy absorbers.Encapsulated (gas insulated) switchgears are provided with overpressure relief devices which lead to the switchgear room.After fault arc ignition pressure rises in the compartment where the arc burns (arc room), the relief devices …
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Calculation of pressure rise in electrical installations due to internal arcs considering SF 6-air mixtures and arc energy absorbers
… considered (SF6-insulated switchgear) or if arc energy absorbers are installed. In this thesis, both effects, which are important for pressure rise in the case of internal arcing, are treated. The key point of modelling SF6-air mixture flows of changing composition is the generation and treatment …