Advances in Mechanical Engineering

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Water-Based Fe2O3 Nanofluid Characterization: Thermal Conductivity and Viscosity Measurements and Correlation
Advances in Mechanical Engineering - Tập 4 - Trang 674947 - 2012
Laura Colla, Laura Fedele, Mauro Scattolini, Sergio Bobbo
An experimental investigation on water-based nanofluids containing iron oxide (Fe2O3) in concentrations ranging between 5 and 20% in mass is presented. The purpose of this study is to measure thermal conductivity and dynamic viscosity of these fluids, as a starting point to study the heat transfer capability. The stability of the nanofluids was ve...... hiện toàn bộ
Symplectic analysis of stationary random vibration of vehicle–track coupled system with rail-borne electromagnetic generator
Advances in Mechanical Engineering - Tập 10 Số 10 - Trang 168781401880474 - 2018
Mingyuan Gao, Fan Yang, Ping Wang
In this article, the authors establish the vehicle-track coupled model of smart railway track with rail-borne electromagnetic generator and conduct a symplectic analysis in frequency domain. A vehicle-track model considering vehicle traveling load is constructed, and the pseudo-excitation method is used. The frequency-dependent stiffness of rail pad is involved in the calculation model to...... hiện toàn bộ
Solution of time-fractional Cahn–Hilliard equation with reaction term using homotopy analysis method
Advances in Mechanical Engineering - Tập 9 Số 12 - Trang 168781401774077 - 2017
Neeraj Tripathi, S. Das, S. H. Ong, Hossein Jafari, Maysaa Al Qurashi
Development of a lower limb rehabilitation exoskeleton based on real-time gait detection and gait tracking
Advances in Mechanical Engineering - Tập 8 Số 1 - 2016
Chao Zhang, Gangfeng Liu, Changle Li, Jie Zhao, Hongying Yu, Yanhe Zhu
Hemiplegia, apoplexia, or traffic accidents often lead to unilateral lower limb movement disorders. Traditional lower limb rehabilitation equipments usually execute walk training based on fixed gait trajectory; however, this type is unsuitable for unilateral lower limb disorders because they still have athletic ability and initiative walking intention on the healthy side. This article des...... hiện toàn bộ
Kinetostatic Analysis of 4-R(CRR) Parallel Manipulator with Overconstraints via Reciprocal-Screw Theory
Advances in Mechanical Engineering - Tập 2 - 2010
Zhen Huang, Yan Zhi Zhao, Jingfang Liu
The paper proposes a new approach based on reciprocal screw theory to analyze kinetostatics of lower-mobility parallel mechanisms with overconstraints and static indeterminacy. For force analysis of parallel mechanisms, the main reactions should be solved firstly, and then all other constraint reactions are easy to be obtained. The approach can remarkably reduce the number of unknowns and...... hiện toàn bộ
Determining Commuting Behaviour from Monitoring Technologies
Advances in Mechanical Engineering - Tập 7 Số 1 - 2015
Yuting You, Wei Wang, Min Yang, Russell G. Thompson‬‬
The study of commuting behaviour has always been one significant focus of people to reach comprehensive knowledge of transport-related scenarios. Similarly, commuting behaviour, as one of the four major physical activities people engaged in during daily life, gained much attention in aspect of health fields. This paper, with the sample data collected by The Australian Diabetes, Obesity an...... hiện toàn bộ
A survey on experimental and numerical studies of convection heat transfer of nanofluids inside closed conduits
Advances in Mechanical Engineering - Tập 8 Số 10 - Trang 168781401667356 - 2016
Mohammad Reza Safaei, Mostafa Safdari Shadloo, Marjan Goodarzi, A. Hadjadj, Hamid Reza Goshayeshi, Masoud Afrand, S.N. Kazi
Application of nanofluids in heat transfer enhancement is prospective. They are solid/liquid suspensions of higher thermal conductivity and viscosity compared to common working fluids. A number of studies have been performed on the effect of nanofluids in heat transfer to determine the enhancement of properties in addition to rearrangement of flow passage configurations. The principal obj...... hiện toàn bộ
Applications of Nanofluids: Current and Future
Advances in Mechanical Engineering - Tập 2 - Trang 519659 - 2010
Kaufui V. Wong, Omar De Leon
Nanofluids are suspensions of nanoparticles in fluids that show significant enhancement of their properties at modest nanoparticle concentrations. Many of the publications on nanofluids are about understanding their behavior so that they can be utilized where straight heat transfer enhancement is paramount as in many industrial applications, nuclear reactors, transportation, electronics a...... hiện toàn bộ
Crashworthiness analysis and multi-objective optimization of a commercial vehicle frame: A mixed meta-modeling-based method
Advances in Mechanical Engineering - Tập 10 Số 5 - 2018
Tao Wang, Liangmo Wang, Chenzhi Wang, Xiaojun Zou
In this study, a mixed meta-modeling-based optimization method has been proposed and applied to a commercial vehicle for crashworthiness design subjected to the frontal crash. A full-scale finite element model of the commercial vehicle has been built and validated by a crash test. The front frame parts have been separated to build a sub-model for crashworthiness optimization. Sensitivity ...... hiện toàn bộ
Feasibility Study on Flexibly Reconfigurable Roll Forming Process for Sheet Metal and Its Implementation
Advances in Mechanical Engineering - Tập 6 - Trang 958925 - 2014
Junseok Yoon, Jeong Kim, Hyeong-Ho Kim, Beom-Soo Kang
A multicurved sheet metal surface for a skin structure has usually been manufactured using a conventional die forming process involving the use of both a die and a press machine in accordance with the product shape. However, such processes are economically inefficient because additional production costs are incurred for the development and management of forming tools. To overcome this dra...... hiện toàn bộ
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