Conference Papers: Recent submissions
Now showing items 961-980 of 2600
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Effect of various parameters on heat transfer to axisymmetric flows of supercritical fluids
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)In a turbulent supercritical fluid flow, the variations of the fluid properties are significant near the pseudo-critical temperature. Such dramatic variation of the fluid properties makes the convection heat transfer ... -
Relative humidity control and reduction in power consumption via desiccant dehumidification
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)Variation in relative humidity has caused many environmental and health problems. Therefore, controlling of the relative humidity is necessary to improve indoor air quality. Solid desiccant dehumidifiers play a significant ... -
Prediction of hydrate formation throughout discharge of trapped gas in Tehran city natural gas distribution system
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)This work is aimed to hydrate formation prediction throughout the discharge of trapped natural gas in the north super block of Tehran natural gas distribution system. A well known software is used to construct the ... -
Forced convective heat transfer enhancement with perforated pin fins subject to impinging flow
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)The rapid growth in high speed multi-functional miniaturized electronics demands more stringent thermal management. The present work numerically investigates the use of staggered perforated pin fins to enhance the rate ... -
Design analysis of the nozzle injector and its effects on the injection performance in gasoline direct injection engine
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)A study had been carried out to investigate the effects of the nozzle injector geometry to the mixture efficiency and also the combustion of gasoline in engine that uses direct injection technology. The investigation was ... -
Heat transfer analysis in an annular cone fixed with saturated porous medium
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)The present work concerns with the heat transfer by natural convection and radiation in an annular cone fixed with saturated porous medium. The Darcy model is used to predict the heat transfer behavior in the porous ... -
The design of a flow-efficient smoke cabin
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)This paper presents the process of designing a flowefficient smoke cabin using fluid dynamic and electronic engineering principles. The smoke cabin, designed to house organic products (in this case food for human ... -
Comparative study compact scheme for the case of shock tube problem
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)In this work, a high-order compact upwind scheme is developed for solving one-dimensional Euler equation. A detailed investigation was conducted to assess the performance of the basic third-order compact central ... -
GPU accelerated program for grid generation around two dimensional airfoils
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)The most time consuming part of CFD simulation is geometry modeling and grid generation especially when grid adaptation is needed. One can utilize GPUs to accelerate such a process. In the present study, this acceleration ... -
Flow and temperature analysis of the cooling medium of large turbo generators
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)The first step in designing the cooling system of a turbo generator is the ventilation system analysis. The present paper deals with a comprehensive investigation of flow parameters and cooling medium temperature ... -
Effects of GPU structuring on accelerated schemes of LBM and classical CFD for flow over a flat plate
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)In this study , two GPU accelerated schemes namely Lattice Boltzmann Method (LBM) and Stream Function- Vorticity (SFV) formulation using classical CFD for flow over a flat plate are investigated and compared . The ... -
Computational investigation of flow and thermal characteristics of the rotor of large air-cooled turbo generators
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)The present paper deals with an investigation of and thermal characteristics of the rotor of large air generators. The auto-circulated cooling system of the rotor is analyzed and flow characteristic of the cooling system ... -
An intelligent condition monitoring system for fault diagnosis of rotating machinery using expert systems with optimization techniques
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)Fault Detection in rotating machinery can be done by regular condition monitoring and vibration analysis of machinery. The task of condition monitoring and fault diagnosis of rotating machinery faults is both significant ... -
Simulation of sheet metal deformation processes - Issues and challenges
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)Finite Element (FE) simulation is commonly employed to predict deformation response and internal states of sheet metal and sheet metal structures. The accuracy of FE prediction relies among others, on the prescribed ... -
Regeneration of potential and kinetic energy from wastewater in tall buildings
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)An innovative scheme has been presented for the regeneration of the potential and kinetic energy from the wastewater installations of tall buildings. In high buildings, energy is used to pump water to the upper floors. ... -
Temperature-distribution analysis on thermal spreader for micro-thermoelectric power generation
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)Thermal spreader is used in micro-thermoelectric power generating system to produce uniform temperature distribution along the micro-combustor walls, very important for thermoelectric cells to generate high electrical ... -
Performance investigation of a kaplan hydraulic turbine draft tube using CFD techniques
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)The draft tube has an important role in the overall efficiency of water turbines. The enhancement of draft tube performance has been under considerable attentions during the past decade. As the flow field characteristics ... -
Comparative engine performance of DI pick-up diesel engine tested by mixing metal oxide and bio-solution additives in diesel fuel and palm biodiesel blends(B5)
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)In this paper, engine performance of pickup diesel engine was studied under chassis dynamometer test with the simulation of road load condition. A direct injection engine was examined by mixing different multi-functional ... -
A study on the temperature profile with combustion conditions change for the optimum operation of plate type hydrogen generation system
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)The purpose of this study is to search the temperature-rise time conditions for adequate reforming temperature region of hydrogen production system. And the exhaust gas was measured at the exit of that system in order to ... -
Design and simulation of a hybrid flywheel bus
(Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)Stringent emission regulations and customer demands are the most challenges of the vehicle manufacturers. In the recent researches and new designs, many hybrid powertrains have been focused and proposed to improve fuel ...