Showing papers in "Procedia Engineering in 2013"

TL;DR: In this paper, the authors evaluated the tensile and flexural properties of hybrid glass fiber-sisal/jute reinforced epoxy composites and found that the incorporation of sisal fiber with GFRP exhibited superior properties.

TL;DR: In this paper, the authors assessed the worldwide biofuel scenario by biofuel policies and standards and summarized different biofuel processing techniques, and prescribed guidelines on dedicated biofuel engine for commercializing biodiesel.

TL;DR: This research attempts to use the messages of twitter to review a movie by using opinion mining or sentiment analysis to solve the dual optimization problem.

TL;DR: In this article, the authors review the stages and trends of BIM concept development presenting the case studies of four real projects in which elements of building information model technology have been adopted by project participants reviewing benefits as well as obstacles and problems of practical BIM implementation.

TL;DR: In this article, a new set of natural fiber based polymer composites consisting of bidirectional jute fiber mat as reinforcement and epoxy resin as matrix material were fabricated using hand lay-up technique and characterized with respect to their physical and mechanical properties.

TL;DR: In this article, the authors investigated the engine performance parameters and emissions characteristics for direct injection diesel engine using coconut biodiesel blends without any engine modifications and concluded that CB5 and CB15 can be used in diesel engines and have beneficial effects both in terms of emission reductions and alternative petroleum diesel fuel.

TL;DR: In this paper, the grey relational theory and Taguchi optimization technique was used to optimize the cutting parameters in wire EDM for stainless steel 304, a work piece, brass wire of 0.25mm diameter used as a tool and distilled water is used as dielectric fluid.

TL;DR: In this paper, the compressive strength of geopolymer concrete is evaluated by casting 20 concrete mixes to evaluate the effect of various parameters affecting its compressive strengths in order to enhance its overall performance, i.e., the ratio of alkaline liquid to fly ash, concentration of sodium hydroxide, ratio of sodium silicate to sodium hyroxide and additional water content in the mix.

TL;DR: In this paper, the authors reviewed the literature on the relationship between total quality management TQM and innovation in services organization, and developed a research conceptual framework on this relationship, which is used to develop a research framework and model.

TL;DR: In this article, the influence of pyrolysis temperatures on the biochars pores were investigated by using X-Ray Diffraction (XRD), Brunauer-Emmett-Teller (BET) surface analysis and Scanning Electron Microscopy (SEM).

TL;DR: In this article, the authors address key issues encountered by researchers worldwide on both micro-manufacturing, specifically micro-forming, and propose a fully-automated high-volume production microforming machine, which is reliable and at all times ready for operation.

TL;DR: In this article, a robust linear quadratic regulator (LQR) was proposed to stabilize the pendulum in upright position and make the cart system to track the given reference signal even in the presence of disturbance.

TL;DR: The different variants of PSO with respect to initialization, inertia weight and mutation operators are seen and new parameters like constriction coefficient and inertia weight are introduced.

TL;DR: In this paper, the authors have investigated the experience of implementing Total Productive Maintenance (TPM) for a company manufacturing automotive component and implemented all the pillars of TPM in a phased manner eliminating the losses associated with equipment effectiveness.

TL;DR: In this article, the authors reported the significance of influence of speed, feed and depth of cut on cutting force and surface roughness while working with tool made of ceramic with an Al2O3+TiC matrix (KY1615) and the work material of AISI 1050 steel (hardness of 484 HV).

TL;DR: In this paper, the authors evaluated the bond strength between ultra high performance concrete and normal concrete substrate, and found that UHPFC has excellent interlocking with the surface of NC substrate and then gives bond strength greater than the strength of normal substrate.

TL;DR: Hybrid nanocomposites based on aluminum alloy 6061 reinforced with different hybrid ratios of SiC (0.5, 1.0 and 1.5 vol. %) and B4C nanoparticles were successfully fabricated using ultrasonic cavitation based solidification process as mentioned in this paper.

TL;DR: In this paper, the effect of the abrasive water jet process parameters on the quality of cut (taper and surface roughness) was carried out, and the machinability index for various composite materials with different thicknesses was found experimentally, which showed very different results for different materials.

TL;DR: In this paper, the authors investigated the parameter optimization of end milling operation for Inconel 718 super alloy with multi-response criteria based on the taguchi orthogonal array with the grey relational analysis.

TL;DR: In this paper, the quality and efficiency of Biodiesel fuel was found to be more significant than petro diesel, and the %ARD values were proposed, which vary with composition of feed oils for a given model in comparison between predicted and experimental data.

TL;DR: In this article, the authors have shown that bagasse ash can be a suitable replacement to fine aggregate in concrete tests like compressive strength, split tensile strength and sorptivity.

TL;DR: A new technique is proposed to calculate image sharpness/blurriness measure in frequency domain and it is proposed that this measure should be placed in the frequency domain of image quality assessment.

TL;DR: In this article, the volumetric effects of thermal conductivity, viscosity and density of Al2O3/R141b nanorefrigerant have been studied for different temperature ranges.

TL;DR: In this article, the authors discussed and reviewed some of the most recent issues and findings using UHPFC as a repair material and showed that UHPF exhibits excellent repair and retrofit potentials in compressive and flexure strengthening and possesses high bonding strength and bond durability as compared with other types concrete.

TL;DR: In this paper, the authors elaborate the causes, mechanism of spontaneous heating and technological advancement mainly development of chemical inhibitors for controlling and combating fire in coal mines, which is the major root cause for the disastrous of coal mine in leading and coal producing countries like USA, China, Australia, India and Germany.

TL;DR: In this paper, the authors considered aspects related to the production of biodiesel from Neem oil and investigated its fuel properties, including density, kinematic viscosity and calorific value.

TL;DR: In this paper, morphological, thermal and rheological tests were performed to evaluate the miscibility and thermal stability of the polymers and their blends, important characteristics to apply in scaffold fabrication.

TL;DR: In this paper, the effect of Al2O3 on wear properties of AA7075 metal matrix composite and the results were optimized by Taguchi technique by applying load of 10, 20, 30, and 40 N and sliding distance of 1200 m with regular interval of 200m at 0.6m/s sliding speed.

TL;DR: In this article, a metal matrix composite was reinforced with TiB2 particles by stir casting method and the wear mechanism was studied through worn surface and wear analysis as well as microscopic examination of the wear tracks.

TL;DR: In this article, the authors presented some chosen results of pilot research on the series of simply supported beams under flexure, reinforced with BFRP bars, compared to the reference beams with steel reinforcement.