Browsing IEM Journal by Issue Date
Now showing items 1-20 of 310
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Aerodynamic design and aircraft family concept for an advanced technology regional aircraft (ATRA)
(The Institution of Engineers, Malaysia, 2004-03)The aim of this work is to make a feasibility study of the application of combined Hybrid Laminar Flow Control (HLFC) - Variable Camber Wing (VCW) to the ATRA aircraft family. The VCW can be used as a lift control during ... -
Application of boundary element method for the analysis of potential flow field and wave resistance in finite depth of water
(The Institution of Engineers, Malaysia, 2004-03)A boundary element method is presented for solving a nonlinear free surface flow problem for a ship moving with a uniform speed in shallow water. The free surface boundary condition is linearized by the systematic method ... -
Agriculture drainage affects river water quality
(The Institution of Engineers, Malaysia, 2004-03)The acidic level of the freshwater is a major concern to water treatment plant operators. Extremely acidic freshwater could affect the operation of the treatment plant in many ways. The cost to neutralisation the water ... -
Synergistic systems for spacecraft attitude control
(The Institution of Engineers, Malaysia, 2004-03)The synergistic system design could be an attractive approach for future spacecraft to cope with their demands. The idea of combining the Attitude Control System and the conventional Electrical Power System is presented ... -
Simulation of the distributed rainfall-runoff process
(The Institution of Engineers, Malaysia, 2004-03)A deterministic model to simulate rainfall runoff from pervious and impervious surfaces is presented. The surface runoff model is based on an established one-dimensional, variable width, kinematics wave approximation to ... -
Ultimate strength of precast concrete sandwich panel with opening under axial load
(The Institution of Engineers, Malaysia, 2004-03)A precast sandwich panel which is being developed as a building system consists of a single layer of insulation sandwiched between two layers of reinforced concrete. At present, an equation to predict the ultimate strength ... -
Remediation of Heavy Metal Contaminated Soil by Using Chemical Stabilization
(The Institution of Engineers, Malaysia, 2004-03)The effectiveness of ordinary portland cement (OPC) in the immobilization of heavy-metal contaminated soil was investigated in this study. Heavy metal contaminated soil was collected from a scrap metal yard within the ... -
Hazards analysis of LPG storage installation in Universiti Putra Malaysia: A preliminary study
(The Institution of Engineers, Malaysia, 2004-03)A preliminary risk analysis on the impact of LPG storage explosion to the community in the Faculty of Engineering, Universiti Putra Malaysia (UPM) is studied. This paper is aimed to evaluate the physical effects of the ... -
Numerical simulation of dust cake build-up and detachment on rigid ceramic filters for high temperature gas cleaning
(The Institution of Engineers, Malaysia, 2004-03)Rigid ceramic filters have proved themselves as highly efficient gas filtration devices. However, the filter cleaning mechanisms by which deposited cake is removed from the filter surface are still not fully understood. ... -
The effect of economic crisis and targeted motorcycle safety program on traffic deaths in Malaysia
(The Institution of Engineers, Malaysia, 2004-09)This paper presents the effects of the recent economic crisis and the motorcycle safety program (MSP) on traffic deaths in Malaysia. The transfer function Autoregressive Integrated Moving Average (ARIMA) technique was ... -
Rice irrigation scheduling incorporating stochastic rainfall
(The Institution of Engineers, Malaysia, 2004-09)An irrigation-scheduling program has been developed to increase irrigation efficiency in a large-scale rice irrigation project in Malaysia. The study focused on predicting daily irrigation deliveries for the main season ... -
Validation of MAGMAsoft simulation of the sand casting process
(The Institution of Engineers, Malaysia, 2004-09)There is an increasing demand in manufacturing environment for the best quality of casting products at the right time and quantity. Foundries must be able to meet the just in time (JIT) requirement in order to survive in ... -
Implementation issues of adaptive OFDM in mobile radio environment
(The Institution of Engineers, Malaysia, 2004-09)A review of adaptive modulation with other related issues as part of link adaptation in an OFDM system is presented. Issues such as channel estimation, channel coding, Multiple Input and Multiple Output (MIMO) system are ... -
Daylight modelling and thermal performance of atrium of new MECM building at Putrajaya
(The Institution of Engineers, Malaysia, 2004-09)Putrajaya, Malaysia. The LEO building was designed to incorporate renewable and energy efficiency strategies. Several window designs were considered for the new showcase building. To ascertain that innovative window designs ... -
Polymer waste recycling over fresh, steam deactivated and used FCC catalysts
(The Institution of Engineers, Malaysia, 2004-09)Feedstock recycling of high-density polyethylene (HDPE) over fluid catalytic cracking (FCC) catalysts (6:1 ratio) was carried out using a laboratory fluidised bed reactor operating at 450oC, atmospheric pressure and ... -
Transient heat transfer analysis on a satellite in an orbit
(The Institution of Engineers, Malaysia, 2004-09)A parametric study has been carried out on emissivities of the surfaces, shell thicknesses and materials of a satellite structure in order to obtain useful information for satellite thermal engineering design. This is ... -
Detection of a single rolling element bearings fault via relative shaft displacement measurement
(The Institution of Engineers, Malaysia, 2004-09)This paper describes with the investigation of using relative shaft displacement approach to detect early rolling element bearings fault. Rolling element bearings are among the most common elements used in the operation ... -
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 ... -
Determination of probability distribution for data on rainfalland flood levels in Bangladesh
(The Institution of Engineers, Malaysia, 2005-03)To evaluate flood (Discharge or water level) as well as rainfall frequency of given returns period, it is essential that one probability distribution function be used as a standard. In many countries one distribution ... -
Highly reactive electrogenerated zinc: Preparation and its use in cross-coupling reactions
(The Institution of Engineers, Malaysia, 2005-03)Highly reactive zinc metal was prepared by electrolysis of a N,N-dimethylformamide (DMF) solution containing naphthalene and a supporting electrolyte in a one-compartment cell fitted with a platinum cathode and a zinc ...