Browsing Department of Mechanical Engineering by Title
Now showing items 31-47 of 47
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Numerical Analysis of Film Cooling Shield Formed by Confined Jet Discharging on a Flat Plate
(International Information and Engineering Technology Association, 2019)The effects of centrifugal force and thermal conductivity on the effectiveness of a film cooling shield are investigated in this study. A confined jet with 90 degree angle is used, to inject cooling fluid into hot steam, ... -
Numerical Analysis of Film Cooling Shield Formed by Confined Jet Discharging on a Flat Plate
(International Information and Engineering Technology Association, 2019)The effects of centrifugal force and thermal conductivity on the effectiveness of a film cooling shield are investigated in this study. A confined jet with 90 degree angle is used, to inject cooling fluid into hot steam, ... -
Numerical and sensitivity analyses of various design parameters to maximize performance of a Vortex Tube
(Elsevier, 2022)In this study, a series of numerical simulations are performed to investigate the performance of a vortex tube (VT) with various design parameters. The study focuses on six design parameters, mainly, inlet pressure, VT ... -
On the Role of Hollow Aluminium Oxide Microballoons during Machining of AZ31 Magnesium Syntactic Foam
(MDPI, 2020)The role played by hollow ceramic thin-walled aluminium oxide microballoons on the shear deformation characteristics of AZ31 Magnesium syntactic foam is studied through high-speed machining. The ceramic microballoons ... -
Optimization of a Confined Jet Geometry to Improve Film Cooling Performance Using Response Surface Methodology (RSM)
(MDPI, 2020)This study investigates the interrelated parameters affecting heat transfer from a hot gas flowing on a flat plate while cool air is injected adjacent to the flat plate. The cool air forms an air blanket that shield the ... -
Optimization of a Confined Jet Geometry to Improve Film Cooling Performance Using Response Surface Methodology (RSM)
(MDPI, 2020)This study investigates the interrelated parameters affecting heat transfer from a hot gas flowing on a flat plate while cool air is injected adjacent to the flat plate. The cool air forms an air blanket that shield the ... -
Optimization of Cutting Process Parameters in Inclined Drilling of Inconel 718 Using Finite Element Method and Taguchi Analysis
(MDPI, 2020)Nickel-based superalloys are famous in the demanding applications. Inconel 718 is one of the most commonly used nickel-based superalloys due to its extraordinary inherent properties. Inconel 718 is a suitable material for ... -
Performance of CI Engine Operating with Hydrogen Supplement Cocombustion with Jojoba Methyl Ester
(Elsevier, 2016-06-29)The present work experimentally investigates the performance of compression ignition (CI) engine which operates on hydrogen and Jojoba methyl ester (JME). The hydrogen is introduced by enriching air-intake manifold with ... -
Poly(lactic acid) (PLA) and polyhydroxyalkanoates (PHAs), green alternatives to petroleum-based plastics: a review
(Royal Society of Chemistry, 2021)In spite of the fact that petroleum-based plastics are convenient in terms of fulfilling the performance requirements of many applications, they contribute significantly to a number of ecological and environmental problems. ... -
Predicting the Release of Chemotherapeutics From the Core of Polymeric Micelles Using Ultrasound
(IEEE Explore, 2015)In this paper, the estimation of acoustic drug release from micelles is addressed. The release is measured as a decrease in fluorescence once ultrasound is applied. Initially, a Kalman filter is used to fuse the drug ... -
Process simulation and analysis of a five-step copper–chlorine thermochemical water decomposition cycle for sustainable hydrogen production
(Wiley, 2014)A process model of a five-step copper–chlorine (Cu–Cl) cycle is developed and simulated with the Aspen Plus simulation code. Energy and mass balances, stream flows and properties, heat exchanger duties, and shaft work are ... -
Role of Active Morphing in the Aerodynamic Performance of Flapping Wings in Formation Flight
(MDPI, 2021)Migratory birds have the ability to save energy during flight by arranging themselves in a V-formation. This arrangement enables an increase in the overall efficiency of the group because the wake vortices shed by each of ... -
Shear Strength of Fiber Reinforced Recycled Aggregate Concrete
(MDPI, 2020)In this paper, shear strength of fiber reinforced recycled concrete was investigated. A Self Consolidated Concrete (SCC) matrix with 100% coarse recycled aggregate and different types of fibers were used in the study. Steel ... -
A Study and Assessment of the Status of Energy Efficiency and Conservation at School Buildings
(MDPI, 2022)The building sector consumes a significant portion of global energy use. In this regard, this work was undertaken to study the status of energy efficiency and conservation at a large school building in the northern part ... -
Sustainable Cooling and Lubrication Strategies in Machining Processes: A Comparative Study
(Elsevier, 2019)Applying an adequate cooling and lubrication technique during machining processes is an important issue which affects the machining system efficiency. Flood cooling offers an effective solution to reduce the effect of the ... -
Task-Based Design Approach: Development of a Planar Cable-Driven Parallel Robot for Upper Limb Rehabilitation
(MDPI, 2021)This paper deals with the optimal design of a planar cable-driven parallel robot (CDPR), with three degrees of freedom, intended for assisting the patient’s affected upper limb along a prescribed movement. A Qualisys motion ... -
Variation in cooling performance of a bio-based phase change material by adding graphene nanoplatelets with surfactants
(Elsevier, 2022)In this paper, thermal characteristics of various phase change materials induced with additives and surfactants are studied to enhance cooling properties and chemical stability. In this regard, graphene nanoplatelets at ...