Abstract: The construction industry generates wealth and advances a nation's social and economic growth. Improper waste management associated with construction activities in Malaysia substantially contributes to environmental deterioration. This paper provides a comprehensive literature analysis on construction waste management in Malaysia, focusing on implementing an extended producer...
Cloud computing has revolutionized data storage and access, yet concerns about data security persist. This study delves into cloud network storage security, specifically comparing client-side encryption with traditional server-side encryption. Client-side encryption involves users encrypting data before uploading it to the cloud, ensuring greater control and privacy. In contrast, server-side...
In this paper, we propose a new vehicular communication approach for autonomous vehicles by utilizing vehicular cloud computing (VCC) to gather and exchange comprehensive information such as location, speed, and direction. The aim is to enable autonomous vehicles to communicate with each other via cellular and cloud services. Two vehicles were used for this cloud-based vehicle-to-vehicle...
The use of polymer composites, which are widely recognised for their ability to create sustainable materials from waste materials like rice husk, has grown. 150 million tons of rice husk, an agricultural waste, are produced during the milling of rice. It leads to environmental problems if rice husk is not disposed of properly. This problem is
similar with plastic waste dumped globally...
Osteoporosis, characterized by low bone density and deterioration, poses significant fracture risks, typically in older adults but also affecting children. Pediatric osteoporosis is a serious concern, requiring unique approaches distinct from adult treatments. This study addresses the gap in finite element analysis (FEA) models for pediatric bones by developing and validating a detailed model...
An operational efficiency of any production line could be improved through Lean Six Sigma (LSS) methodologies by using Define, Measure, Analyze, Improve and Control (DMAIC) approach. The analysis could be further enhanced with an integration with risk assessment method powered by monte carlo simulation. Company A, a frozen food industry in Kedah, Malaysia is facing bottleneck processes at two...
Diesel engine have found extensive application in various sectors such as agriculture, marine, automobile, and locomotives over time, owing to their exceptional efficiency and high-capacity torque. Nevertheless, using a diesel engine increase the number of dangerous pollutants like NOx and Soot. This study investigated the effect of several product of emulsified biodiesel compared to the CI...
The purpose of this study is to compare the local air temperature and heat transfer of the different diameters of the serpentine copper pipe heat exchanger. This serpentine copper pipe heat exchanger is targeted for use as a climate control system inside the greenhouse cultivation. The local air temperature means the air temperature which is close to the heat exchanger. The experiments were...
This project is related to mechanical vibration. This project creates a low-cost vibration monitoring system to determine the vibration of the target machine and display the vibration trend in the interface software Blynk software. The important hardware of this low-cost vibration monitoring system are Hibiscus Sense, accelerometer GY-521 MPU6050 and 5000mAh power bank. Hibiscus Sense is an...
The trend in vibrator module design for vibration-assisted machining involves utilizing flexural hinges as vibrational transmitters from the actuator to the cutting tool. Polynomial flexural hinges represent a type that provides greater flexibility to designers, as polynomial hinges can encompass properties of other hinge types. This study aims to demonstrate the influence of polynomial hinge...
This study was conducted to analyze the effect of alkali treatment against bonding between natural fiber and polyester matrix. The Sisal fiber used by reinforced polyester matrix. Alkalization treatment by NaOH concentration 5 wt.% within 0, 2, 4 and 6 hours, soaking time. Sisal fiber cut 1 cm to used reinforced unsaturated polyester resin (UPR) with weight fraction volume ratio of 30:70...
The Child Presence Detection (CPD) system plays a pivotal role in notifying drivers when a child is inadvertently left in a vehicle, a situation that has tragically led to an increase in child mortality rates over time. The system's efficacy is contingent upon the driver's auditory acuity, which previous research has shown to be significantly influenced by age. Despite this, there is currently...
With the increasing global demand for natural gas, efficient transportation methods are crucial. Liquefied natural gas (LNG) provides a practical solution for safer, cost-effective transport and enhanced storage capacities. This study investigates the Coefficient of Performance (COP) of the Russian process for LNG liquefaction using DWSIM, an open-source simulation software. Unlike traditional...
This research paper investigates the use of a magnetic field on ferro-nanofluid in a microtube. The study aims to analyze the impact of magnetic field concentration on the ferro-nanofluid flow pattern to improve heat transfer efficiency without the ferro-nanofluid clumping together at the bottom of the microtube. The research question focuses on how magnetic field concentration factors...
Arc welding is widely used in various industries due to its versatility and efficiency in creating strong, durable bonds between metal components. This research paper investigates the arc interaction in Tungsten Inert Gas/Metal Inert Gas (TIG/MIG) hybrid welding through numerical simulation. The study aims to understand the effects of arc behavior on the welding process and explore the...
This paper presents a tool life study on tungsten carbide inserts in milling Hastelloy C-2000 using response surface methodology (RSM). The experiment was performed using uncoated and TiAlN coated carbide inserts. There were 15 experiments designed using the Box-Behnken architecture according to machining parameter input such as cutting speed, depth of cut and feed rate. Analysis of variance...
This study employs finite element analysis (FEA) to investigate the mechanical behaviour of implant rod-screw systems in the correction of spinal deformities, specifically focusing on scoliosis. The research aims to assess the influence of different spine deformity angles on the mechanical stress distribution of implant rod-screw and correlate with the influence of correction rate. A finite...
Friction stir welding (FSW) excels at joining dissimilar thickness aluminum alloys due to its low heat input. However, defect formation remains a challenge. This study investigates the influence of welding parameters and jig angle on temperature and defect formation in FSW of dissimilar aluminum plate thickness. Experiments utilized a conventional milling machine with a customized tool. Three...
High paper production demand can cause a year-over-year increase in deforestation. This increased deforestation could increase environmental issues like flash flooding and global warming. This negative effect is not good for the environment, particularly for humans and other habitats that need this forest resource to live in. The need to replace wood fibres with non-wood fibres should,...
Malaysia was recognized as the second-largest consumer of plastic in Asia, with an average consumption of 16.78 kg per person. This high demand for commercial plastics has spurred interest in biodegradable alternatives, such as those derived from natural resources like banana peels. This research focuses on the development of thermoplastic corn starch (TPCS) reinforced with banana peel (BP) to...
Industrial robots are increasingly used in various fields of industrial production. At present, the working mode of most industrial robots is fixed and single, and when the working environment or target position changes, industrial robots cannot accurately grasp and need to be repositioned. In order to improve the autonomy and intelligence of its work, machine vision is gradually applied to...
This paper highlights the course towards achieving optimized machinery integrity in turbomachinery operation and maintenance. The focused are on the critical importance of engineering analysis and the revolutionary impact of digital technologies, which together mark the dawn of a proactive era in asset management.
The discussion primarily revolves around two key elements:
**Engineering...
This study investigates the microstructural evolution and interlayer bonding behavior of bi-metallic interfaces fabricated through wire arc additive manufacturing (WAAM), focusing on ER70S-6 and ER308L materials. Employing scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDS/EDAX), the research explores the impact of cold deformation on surface morphology, grain...
Mixing operation system using agitated vessels design is a difficult task challenge for high viscosity liquid mixtures. The bi-direction impeller design proven to have great impact to the mixture’s homogeneity. The use of Computational Fluid Dynamics (CFD) provide detail understanding for such operation system. Experimental test and computational fluid dynamics simulations were performed in...
Producing recycled plastic honeycomb bricks through injection molding involves careful consideration of several factors, including material selection, part and mold design, and processing parameters. An inappropriate combination of these elements can lead to defects, extended lead times, excessive scrap, and high production costs. This study explores the production of plastic honeycomb bricks...
Biodegradable scaffolds are essential in tissue engineering to provide temporary support for cell growth and tissue formation without leaving foreign materials in the body. This study investigates the impact of Fused Filament Fabrication (FFF) parameters on the mechanical properties of biopolymer scaffolds, focusing on polylactic acid with carbon fiber filament. Various printing factors such...
Vibration-assisted machining (VAM) leverages intermittent cutting induced by a vibrated tool. The vibrations are often improved by employing flexure hinges to enhance the vibration transfer from actuator to the tooltip within the VAM module. Notch hinges, among the various flexure hinge types, are the most widely employed hinges due to their proven capabilities and ease of manufacturing. This...
Electricity may be generated in a highly efficient manner from heat of various sources by means of thermionic energy converters (TICs). However, the potential of this energy conversion technology is always hindered by the space charge effect, which drastically reduces the electron transport within this converter. To overcome this challenge, external fields like electric and magnetic fields are...
Abstract
A power generating unit's fundamental component is a gas turbine (GT), consisting of a compressor, a turbine, and a generator to convert thermal energy into electrical energy. The rotating turbine is prone to high vibrations, potentially leading to failures. Numerous studies have reported various simulation techniques, including MATLAB, Pro-Engineering, and CFD to develop...
This study evaluates cognitive workload influencing reading performance in children with Autism Spectrum Disorder Condition (ASDC) by examining pupil dilation during random reading and focus reading task assessments. Pupil dilation, a physiological indicator of cognitive workload, increases with greater mental effort, serving as a crucial metric for assessing cognitive demands. Utilizing...
he purpose of this study is to evaluate the stress on trabecular bone and cortical bone located in trabecular bone with single prostheses supported by implants using the Finite Element Analysis (FEA) method. This experimental method was carried out by producing 3.5mm diameter implant models, followed by trabecular bone and mandibular bone models using Catia V5R21. After the model is produced...
The purpose of this study is to evaluate the stress distribution on trabecular bone and cortical bone located in trabecular bone with single prostheses supported by implants of different diameters using the Finite Element Analysis (FEA) method. This experimental method was carried out by producing 3.5mm and 6.5mm diameter implant models, followed by trabecular bone and mandibular bone models...
Foamed concrete is a low-density concrete that is highly air-entrained with more air per volume using materials such as sand, cement, and foam. Foamed concrete has the ability to be applied in various shapes as required. The statistical condition of foamed concrete, which is a free-flowing liquid, allows the foamed concrete to take place and shape accordingly. Epoxy resin is a type of...
This study employed the homogenization method in VOXELCON to examine how the infill patterns affect the micro and macro properties of 3D printed parts. Polylactic acid (PLA) is a material that is widely used in 3D printing technologies across different industries. Nevertheless, only a few research has been done on how infill patterns affect the micro and macro characteristics of 3D printed...
Permeable pavement is a green infrastructure where it is a stormwater control. It has joints filled with a porous substance that allows water to travel through which can prevent floods. Disposing of semiconductor epoxy mold component resin waste (SEMC-RW) is a major concern due to their recalcitrant nature with only 18% currently being recycled and around 12,000 Mt of plastic waste is ending...
This technical presentation focuses on employing Finite Element Analysis (FEA) to investigate the dynamic behaviour of a rotating equipment under continuous vibration due to structural resonance. FEA analysis is employed to visualize and quantify the dynamic response of the compressor under operational conditions. Prior to FEA, and Modal Analysis (MA) was performed to identify the natural...
