Browsing IEM Journal by Title
Now showing items 165-184 of 310
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Kajian perbandingan ram lengkung dan ram rata bagi pemusar udara aliran jejarian dalam mengurangkan emisi
(The Institution of Engineers, Malaysia, 2005-12)Enjin turbin gas digunakan secara meluas sama ada dalam bidang industri atau penerbangan. Kecekapan enjin merupakan salah satu kriteria dalam pemilihan enjin yang baik. Pembakar adalah antara komponen penting dalam enjin ... -
Keberkesanan pembakaran udara berperingkat dalam mengurangkan emisi dari pembakar berbahanapi gas
(The Institution of Engineers, Malaysia, 2005-09)Process pembakaran dari pembakar yang menggunakan gas sebagai bahanapi berkecenderungan untuk memancarkan emisi yang mengandungi pelbagai bahan cemar seperti NOx, CO, CO2 dan sebagainya. Emisi ini perlu dikurangkan ... -
Kesan kuantiti agen penyerak dalam pencirian saiz zarah oksida seramik menggunakan kaedah pembelauan laser
(The Institution of Engineers, Malaysia, 2005-03)Kertas kerja ini membincangkan isu kesan penambahan agen penyerak dalam pencirian saiz zarah oksida seramik dengan menggunakan kaedah pembelauan cahaya laser. Adalah diketahui umum bahawa zarah seramik terutamanya daripada ... -
Keutuhan permukaan AISI H13 keluli terkeras dalam proses pemesinan nyahcas elektrik (EDM)
(The Institution of Engineers, Malaysia, 2010-06)Pemesinan nyahcas elektrik (EDM) ialah proses terma senyap yang menghasilkan beribu-ribu nyahcas elektrik dalam satu saat bagi menghakis keluar isipadu tertentu sesuatu logam. Proses ini digunakan secara meluas dalam situasi ... -
Large eddy simulation of the effect of hat fux on pollutant dispersion in an urban street canyon
(The Institution of Engineers, Malaysia, 2009-12)The effect of heat flux on pollutant dispersion in an urban street canyon with fixed aspect ratio of 1 is investigated under four different heating configurations: windward heating, leeward heating, ground heating, and ... -
Launch of “Think Malaysian Act Global”: An autobiography by academician Dato Ir. Lee Yee Cheong
(The Institution of Engineers, Malaysia (IEM), 2011-09) -
Lightning shielding with shading avoidance for a photovoltaic (PV) farm
(The Institution of Engineers, Malaysia (IEM), 2022)The special requirement of a PV farm lightning shielding system is that it should not introduce shadow on the active PV surfaces so as to avoid impaired PV generation output. By using a simple, repeatable-unit PV row made ... -
Long-term tidal forecasting and hindcasting using QuickTIDE tidal simulation package
(The Institution of Engineers, Malaysia, 2007-06)A tidal simulation package built on MATLAB neural network toolbox with user-friendly graphical user interface (GUI) is presented. The application, named QuickTIDE, is modeled using a back-propagation neural network (BPN) ... -
Malaysian English large vocabulary continuous speech recognizer: an improvement using acoustic model adaptation
(The Institution of Engineers, Malaysia (IEM), 2022)This research project aims to develop Malaysian English Continuous Speech Recognition system by adapting US English acoustic model with Malaysian English speech corpus using Maximum a posteriori reasoning (MAP) and Maximum ... -
Mapping of the Malaysian regional total electron content (TEC) latitude and longitude profile
(The Institution of Engineers, Malaysia, 2005-09)The ionosphere plays a vital role in radio communications whose usable frequencies for signals propagation are mainly affected by its electron content. Determination of the electron content in the ionosphere will aid in ... -
Mapping urban heat island phenomenon: Remote sensing approach
(The Institution of Engineers, Malaysia, 2007-09)This article investigates the application of remote sensing data for mapping urban heat island (UHI) phenomenon in an urbanised area of Selangor. The selected area covers Kajang, Cheras and Dengkil mukims in Selangor with ... -
Maximizing the impact of air bubbles for membrane fouling control in microalgae harvesting
(The Institution of Engineers, Malaysia (IEM), 2017-06)Harvesting microalgae using membrane is challenging due to the nature of microalgae having very high membrane fouling potential. Numerous techniques have been proposed for membrane fouling control, including optimizing ... -
Menu driven intelligent tutoring for power system modeling
(The Institution of Engineers, Malaysia, 2005-09)The Graphical User Interface (GUI) provides the user with interactive visual communication to analyse and model the power systems. Applying the advantages of the GUI, new menu driven intelligent tutoring system was ... -
A metallurgical study of spot weld growth on mild steel with 1mm and 2mm thicknesses
(The Institution of Engineers, Malaysia (IEM), 2011-12)Resistance Spot Welding (RSW) is an important welding technology for joining two or more metals in various manufacturing industries. For instance, to date a car may contain an average of 3000-4000 spot weld joints and the ... -
A methodology to evaluate design efficiency based on assembly criteria in support of design for modularity
(The Institution of Engineers, Malaysia, 2005-03)The objective of this paper is to develop a new methodology for evaluating design efficiency based on assembly criteria. The new methodology can be utilised to support the design for modularity approach. The verification ... -
Mixing in the mechanically agitated bioreactor: ‘A matter of being stirred, not shaken’
(The Institution of Engineers, Malaysia, 2007-09)Variations in the system parameters can in fact give rise to significant differences in mixing requirement, and failure to operate at the right conditions can result in undesirable outcomes. Biological systems are sensitive ... -
A model for prioritisation of industrial air pollutants: Part I. Formulation
(The Institution of Engineers, Malaysia, 2005-06)This paper describes the formulation of a prioritisation model applied to industrial toxic air pollutants released into the atmosphere through stack and fugitive emissions. This model takes into consideration the relative ... -
A model for prioritisation of industrial air pollutants: Part II. Application
(The Institution of Engineers, Malaysia, 2005-06)A model for prioritisation of industrial air pollutants was recently developed for use in Sama Jaya Free Industrial Zone (SJFIZ), Kuching based on the amount of toxic organic chemicals released into the atmosphere through ... -
A model study on retaining wall with reinforced backfill
(The Institution of Engineers, Malaysia, 2007-06)The usefulness of the patented reinforced earth wall of Vidal, where reinforcement is attached with the skin panels, has been proved beyond doubt but under certain circumstances a conventional retaining wall with reinforced ... -
Modeling cad performance with Fuzzy Cognitive Map
(The Institution of Engineers, Malaysia, 2005-12)This paper demonstrates how Fuzzy Cognitive Map (FCM) is used to model CAD performance in an engineering consultancy environment by simulating the effects of certain conditions and actions on CAD service quality. A knowledge ...