Browsing IEM Journal by Title
Now showing items 225-244 of 310
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Posture, muscle activity and oxygen consumption evaluations among metal stamping operators: A pilot study in Malaysian small and medium industries
(The Institution of Engineers, Malaysia (IEM), 2011-12)In the new era of world industrialization, ergonomics plays an important role to improve occupational health and productivity in most industries including small and medium industries (SMIs). However, SMIs in Malaysia do ... -
A practical tool for small and medium enterprise quality performance improvement
(The Institution of Engineers, Malaysia, 2007-09)Quality performance in manufacturing may be assessed in several different ways. The aim of this paper is to present a practical tool that can be used by manufacturing companies, especially Small and Medium-sized Enterprises ... -
Precision system for mapping terrain trafficability, tractor-implement performance and tillage quality
(The Institution of Engineers, Malaysia, 2006-12)A novel data acquisition and differential global positioning system had been integrated on–board a Massey Ferguson 3060 agricultural tractor for real-time mapping of terrain trafficability, tractor-implement performance, ... -
Predicting paddy soil productivity
(The Institution of Engineers, Malaysia, 2006-12)Paddy soils are naturally heterogeneous in terms of their physico-chemical properties which affect rice productivity. Currently, uniform application of agricultural inputs on the entire field is not efficient and could ... -
A prediction of acoustics characteristics for steam generator system
(The Institution of Engineers, Malaysia (IEM), 2012-03)This paper presents a numerical analysis of the transmission loss (TL) for perforated steam generator system by adapting the theory of transmission of acoustic wave in an automotive exhaust pipe. The objective of this ... -
The prediction of the cell and substrate in a fed-batch fermentation system by modification of models
(The Institution of Engineers, Malaysia, 2008-12)This objective of this study is to predict cell masses and substrate consumption in a fed-batch system after switching from a batch mode. A 2.0 litre reactor vessel was used to monitor the growth characteristics of Candida ... -
Process route selection for inherently safer design based on consequences analysis
(The Institution of Engineers, Malaysia, 2010-09)Increased public awareness of safety and stringent requirements by the authority has led to the consideration of inherent safety in the design of processing plants. Inherent safety approach ensures the safety of a process ... -
Product life cycle data management and analytics in RAM14.0 using the manufacturing chain management platform
(The Institution of Engineers, Malaysia (IEM), 2022)The RAMI4.0 model consists of three axes; the Layers axis, the Hierarchy axis, and the Life Cycle Value Stream axis. This model unifies the various aspects of I4.0 to allow data generated from manufacturing and business ... -
Production and characterization of biopolyols from crude glycerol based liquefaction process
(The Institution of Engineers, Malaysia (IEM), 2017-06)The feasibility of using palm kernel cake and crude glycerol in liquefaction process to produce bio polyol was investigated in this study. The identiied parameters for liquefaction conditions were reaction temperature, ... -
Production of acylglycerol catalysed by rice bran lipase in a packed bed reactor
(The Institution of Engineers, Malaysia, 2008-09)Abstract A 20 litre packed bed reactor (PBR) with heating and water removal system was designed and fabricated for the esterification of palm oil fatty acid distillate (PFAD) catalyzed by immobilized rice bran lipase ... -
Production of non shredded empty fruit bunch semi-compost
(The Institution of Engineers, Malaysia, 2010-12)Composting of the empty fruit bunch (EFB) with the palm oil mill effluent (POME) could simultaneously treat the solid and liquid waste from palm oil mill. With the aim to reduce the composting yard area, production of ... -
Proposed strength and stiffness parameters for normally consolidated and overconsolidated Dhaka clay
(The Institution of Engineers, Malaysia (IEM), 2012-03)The undrained shear characteristics of reconstituted normally consolidated and overconsolidated samples of Dhaka clay are discussed. The disturbances on the soil structure result from sample penetration that reduces the ... -
Pulsating circular air jet impingement heat transfer
(The Institution of Engineers, Malaysia, 2006-09)The purpose of this study is to determine the effect of pulsating frequencies on the local and average heat transfer characteristics of a heated circular air jet. Pulsation of the air jet was produced by a rotating cylinder ... -
Reactions of used motor oil and residual oil using mesoporous MoAI₂O₃ catalyst
(The Institution of Engineers, Malaysia (IEM), 2013-06)In the present study, mesoporous Mo-based catalysts of different pore size ranges were synthesized and investigated for its hydrocracking activity. Catalyst pore size has been considered a property affecting the_mass ... -
Reinforced concrete strength at slab and column intersection
(The Institution of Engineers, Malaysia (IEM), 2017-12)This paper proposes a method modified from that as first suggested by Siao1 to determine the effect on column strength taking into consideration the effect of confinement by the surrounding slab. Previous test results2-4 ... -
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 ... -
Removal of E.Coli and turbidity using riverbank filtration technique -RBF- for riverside alluvial soil in Malaysia
(The Institution of Engineers, Malaysia (IEM), 2016-06)Riverbank filtration (RBF) is an efficient and low-cost natural alternative filtration technology for water supply application. In this method, the surface water contaminants are removed or degraded as the infiltrating ... -
Resilient modulus of Malaysian base and subbase pavement materials
(The Institution of Engineers, Malaysia, 2008-06)Pavement design approach is shifting towards analytical or mechanistic-based procedures. Resilient modulus is a fundamental parameter used in the procedure and a study was carried out to characterise the parameter for base ... -
Review of active power filter technologies
(The Institution of Engineers, Malaysia, 2007-06)Active power filters (APF), are increasingly used to mitigate harmonics in utility power lines. Compared to the more established method such as the static var compensator or passive filtering, APF are relatively new in ... -
Review of fire-related assessment damage of steel off shore structures
(The Institution of Engineers, Malaysia (IEM), 2021)Fixed offshore structures are continuously exposed to risk of hydrocarbon fire or cellulosic fire. Hydrocarbon fire generally causes more detrimental effect than cellulosic fire because the rapid increment of temperature ...