Browsing by Subject "Heat -- Transmission"
Now showing items 1-20 of 21
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Analysis of a Three-Fluid cocurrent and countercurrent parallel flow heat exchanger
(Universiti Malaysia Perlis, 2009-10-11)The temperature variation of the fluids in a three-fluid cocurrent and countercurrent parallel flow heat exchanger is measured and compared with the results obtained from the finite element analysis. It is found that finite ... -
Analysis of chaotic advection on mixing and heat transfer in PEMFC cooling applications
(Universiti Malaysia Perlis, 2009-10-11)This study fouces on improving the mixing and thermal performance of heat-exchangers interated in the bipolar plates of PEMFCs. The current design of the heatexchangers in laminar with a Reynolds number around 200. Velocity ... -
Comfort levels in evaporatively cooled buildings
(Universiti Malaysia Perlis, 2009-10-11)A medium sized office building is modeled for centralised evaporative air cooling together with modified cooling tower, cooling coils, saturation pad and evaporatively cooled roof. The tower exit air is used to pre-cool ... -
Comparison on losses and flux distribution between two of 3 phase distribution transformer core 3000 kVA assembled with different angle of T-Joint
(Malaysia - Japan University Center (MJUC), 2007-11-15)Thia paper describes the results of an investigation on the effect of the use of different angle of T-Joint in two models of 3 phase distribution transformer with capacity of 3000 kVA. The first model uses 3 phase distribution ... -
A development of MOSFET and IGBT thermal management in DC to DC converter
(School of Electrical Systems EngineeringUniversiti Malaysia Perlis(UniMAP), 2007-05)This project was to produce a template of MOSFET and IGBT thermal management in DC to DC converter. Thermal management included by supplying variable input voltages to the DC to DC converter, and gets the variables of ... -
Effect of different process parameters on the heat transfer of liquid coolant in electronic system
An effective heat transfer system is important for new technologies today to enhance the performance of heat transfer, especially, since the miniaturization of electronic system that resulted in dramatic increase in the ... -
The effect of particulate reinforcement addition to latent heat and solid fraction During Solidification Metal Matrix composite produced by permanent casting
(Universiti Malaysia Perlis, 2009-12-01)In this study the effect of particulate reinforcement to latent heat generation and solid fraction during solidification of metal matrix composite is investigated. Permanent casting using copper mould is employed for ... -
Experiment studies using waterfall stones and Labu Sayung to reduce the temperature of water based on concept of heat transfer
(Universiti Malaysia PerlisSchool of Manufacturing Engineering, 2008-05)This experiment was held to determine whether the usage of natural resources such as stone from waterfall and “labu sayong” that made from clay will reduce the temperature of water contained in it naturally. When we go to ... -
An experimental study of turbulent heat transfer separation external in an annular passage
(Universiti Malaysia Perlis, 2009-10-11)Experimental investigation was carried out to study the effect of step height on the heat transfer process to a radially expanded outward air flow in a concentric annular passage. The separation, reattached and redeveloped ... -
Flow boiling heat transfer of HFC-134a inside Helically coiled tubes
(Universiti Malaysia Perlis, 2009-10-11)The present study investigated the effect of coiling of a straight tube on heat transfer enhancement in an evaporator. For this purpose, straight and helically coiled concentric tube-in-tube heat exchangers with three ... -
Heat transfer characteristics of parallel and counter flow Microchannel heat exchangers with varying wall resistance
(Universiti Malaysia Perlis, 2009-10-11)Thermal behaviors of parallel and counter flow micro-heat exchanger are investigated numerically, with emphasis on the role of wall resistance and entry effects. The influence of different parameters, such as, thermal ... -
Improvement of the photovoltaic output performance using hybrid active and passive cooling system
This thesis presents the improvement of the photovoltaic (PV) output performance using hybrid active and passive cooling system. The PV technology has been used for several years and has proven successful for power generation, ... -
Intelligent classifier for incipient phase fire in building
Early fire detection is one of the most promising sub-fields in indoor air quality research. Ability to give early fire indication can help the building occupants to take responsive actions in order to prevent the fire. ... -
Natural ventilation design of a terrace house
(Universiti Malaysia Perlis (UniMAP)School of Manufacturing Engineering, 2010-05)Natural ventilation is the process of supplying and removing air by means of purpose-provided aperture (such as openable windows, ventilators and shafts) and the natural forces of wind and temperature-difference pressures. ... -
Numerical investigations of natural convection in a square cavity-boundary conditions effects
(Universiti Malaysia Perlis, 2009-10-11)The effect of boundary conditions on natural convection in a square cavity is investigated using Fluent 6.3 CFD package. The square enclosure used for flow and heat transfer analysis has been bounded by adiabatic top wall, ... -
Performance of various distributor designs in a Gas- Solid Fluidized Bed
(Universiti Malaysia Perlis, 2009-10-11)The applications of fluidization are far reaching. Some of the applications are combustion, gasification, drying, exfoliation and coating. However, only a few publications are available on fluidized beds that operate with ... -
Temperature controller system
(Universiti Malaysia PerlisSchool of Computer and Communication Engineering, 2007-03)After research and discussion, I will take Temperature Controller System such as Final Year Project title. Temperature control system is a combination of software and hardware. The software part will receive an input from ... -
Temperature reduction in mushroom house using the principle of waterfall
(Universiti Malaysia PerlisSchool of Manufacturing Engineering, 2008)The design and concept of mushroom house where can be maintain at 24°c were investigated by using the principle of heat transfer. The water was pumped from the tank to dome roof and flow through the pipe on the both side ... -
Thermal behaviour of conjugated perfect and imperfect contact under the effect of the dual-phase lag conduction model
(Universiti Malaysia Perlis, 2009-10-11)The transient thermal behavior of conjugated perfect and imperfect contact under the effect of the dualphase-lag heat conduction model is investigated numerically. The heat transfer mechanisms during rapid heating of ... -
Tunneling phenomena in semiconductors and superconductors
(Universiti Malaysia PerlisSchool of Microelectronic Engineering, 2008-03)This dissertation presents the step of how to calculate the mathematical equation that is not difficult on the spreadsheet or EXCELL. It is can design a graph that shows the air flow for certain material. Spreadsheet can ...