Browsing Mechanical Engineering by Title
Now showing items 19-38 of 465
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Analysis of perlite and pumice based building insulation materials
(Elsevier, 2016-06)Insulation panels composed of perlite, pumice, and cement were fabricated. Perlite and pumice were used to achieve high thermal resistance, and low density. Experimentation was conducted for determining R-values of ... -
Analysis of sustainable materials for radiative cooling potential of building surfaces
(MDPI AG, 2018)The main goal of this paper is to explore the radiative cooling and solar heating potential of several materials for the built environment, based on their spectrally-selective properties. A material for solar heating, ... -
Application of a disturbance observer based controller to improve vehicle ride
(Canadian Acoustical Association, 2019)In this paper the application of a disturbance observer based control algorithm is proposed to improve the vehicle ride performance of a vehicle that has magnetorheological damper (MR Damper) suspension. The vehicle is ... -
Application of a novel friction stir spot welding process on dissimilar aluminum joints
(Elsevier, 2018-10)Intermediate layer friction stir spot welding (IL-FSSW) is introduced in this study as a novel spot welding technique to eliminate the keyhole associated with the conventional friction stir spot welding (FSSW). This process ... -
Application of chemical mechanical polishing process on titanium based implants
(Elsevier, 2016-11-01)Modification of the implantable biomaterial surfaces is known to improve the biocompatibility of metallic implants. Particularly, treatments such as etching, sand-blasting or laser treatment are commonly studied to understand ... -
Application of friction stir spot welding on additive manufactured carbon fiber composite
(Trans Tech Publications Ltd, 2022)Friction stir spot welding as a solid state processing technique is used to join dissimilar and similar metals, composites and polymers. This study illustrates the implementation of friction stir spot welding (FSSW) on ... -
Application of giesekus model for capillary extrusion of rubber compound
(The Society of Chemical Engineers, 2019-02)Extrudate swell is an important phenomenon occurring when high viscoelastic materials, such as rubber and rubber compounds, are extruded. In this work, the effects of relaxation time and relaxation mode on swell predictions ... -
Application of novel constrained groove pressing routes on austenitic stainless steel
(Springer, 2021-11)In this study, a novel set of constrained groove processing routes was put forward especially to underline the variation of strain paths. Namely, 304 stainless steel sheets were processed by five distinctly specified ... -
Assessments on the improved modelling for pneumatic artificial muscle actuators
(IEEE, 2015)In this paper, we present an analysis regarding the pneumatic air muscle modelling, with a particular emphasis on the exoskeleton robot control. We propose two calibration approaches for obtaining the model identification ... -
Automated flow rate control of extrusion for 3D concrete printing incorporating rheological parameters
(Elsevier, 2024-04)The use of inline quality assessment technologies is of great importance in meeting the consistent extrusion requirements of 3D concrete printing (3DCP) applications. This paper presents a system to regulate extrusion speed ... -
Benchmark study of 2D and 3D VOF simulations of a simplex nozzle using a hybrid RANS-LES approach
(Elsevier, 2022-07-01)In this study, a simplex nozzle is tested with water for the benchmarking of different flow simulation models. A large scale Plexi-glass transparent nozzle is used to reduce the influence of production tolerances on the ... -
Benchmarking torque control strategies for a torsion-based series elastic actuator
(IEEE, 2022-06)The diversity in torque-controlled actuators has enabled researchers to address numerous physical human-robot interaction applications with enhanced safety, dependability, and interaction capability [1]. Yet, only a few ... -
Biomaterials applications of chemical mechanical polishing
(IEEE, 2012)Chemical Mechanical Polishing (CMP) is used in semiconductor industry to enable planarization of the interlayer dielectrics and metals. In this study, CMP is used as a polishing technique to modify the surface roughness ... -
A biomimicry design for nanoscale radiative cooling applications inspired by Morpho didius butterfly
(Nature Publishing Group, 2018-11-15)In nature, novel colors and patterns have evolved in various species for survival, recognizability or mating purposes. Investigations of the morphology of various butterfly wings have shown that in addition to the pigmentation, ... -
Biomimicry designs for passive optical solutions for nanoscale radiative cooling applications
(SPIE, 2018)Inspired by the mechanism of the wings of Morpho butterfly, here we propose biomimicry designs which have the potential to be used for radiative cooling purposes. We numerically analyzed the spontaneous emission at near-field ... -
Boiling heat transfer enhancement of magnetically actuated nanofluids
(AIP, 2013)Nanofluids offer a potential breakthrough as next-generation heat transfer fluids since they offer exciting new possibilities to enhance heat transfer performance compared to pure liquids. A major drawback for using ... -
A Cahn-Hilliard modeling of metal oxide thin films for advanced CMP applications
(ECS, 2014)Chemical mechanical planarization (CMP) process enables topographic selectivity through formation of a protective oxide thin film on the recessed locations of the deposited metal layer, while a continuous chemical oxidation ... -
Calibration of 2D ultrasound in 3D space for robotic biopsies
(IEEE, 2015)Freehand Ultrasound technique is widely used in intraoperative biopsy procedures for detecting the volumes of interest. Freehand ultrasound probe is faster and flexible with 6 degrees of freedom. Thats why the imaging ... -
The cauchy problem for a one-dimensional nonlinear elastic peridynamic model
(Elsevier, 2012-04-15)This paper studies the Cauchy problem for a one-dimensional nonlinear peridynamic model describing the dynamic response of an infinitely long elastic bar. The issues of local well-posedness and smoothness of the solutions ... -
Centroidal momentum observer: Towards whole-body robust control of legged robots subject to uncertainties
(IEEE, 2022)This paper aims to provide robust dynamic motion control and eliminate parameter uncertainty in single-legged robots with a centroidal momentum-based control algorithm. In order to ensure the continuity of the movement ...
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