Thumbnail | Name | Publication Date | First Public Date | Contributors |
Grain growth control mechanism of lead zirconate titanate electroceramic by doping la3+ and sr2 /Prof. Madya Dr. Hasmaliza Mohamad Addition of calcium ion in La and Sr co-doped lead zirconate titanate (PLSZT) was investigated to improve the dielectric and piezoelectric properties of PLSZT system. Ca doped PLSZT was prepared using high energy planetary ball mill, pelletized and sintered at 1200 °C for 3 hours. XRD results showed that all Ca-doped PLSZT samples present perovsk... | 6/12/2019 | 3/4/2019 | Prof. Madya Dr. Hasmaliza Mohamad - Author | |
Fundamentals on the interaction of metal organic frameworks with electrospun multi-walled carbon nanotubespolyvinyl alcohol in the formarion of mixed matrix membrane /Prof. Madya Dr. Tan Soon Huat In this study, novel asymmetric membranes with pre-selective layer consist of electrospun poly(vinyl alcohol) (PVA) nanofibres and electrospun PVA nanofibres integrated with two different types of hydrophilic fillers i.e. micron-si .ed copper benzene-1,3,5-tricarboxylate (Cu BTC) and nano-sized carboxyl multi-walled carbon nunotube (COOH-M... | 6/12/2019 | 3/4/2019 | Prof. Madya Dr. Tan Soon Huat - Author | |
Fundamental studies on characteristics of nested conwip for semiconductor production scheduling environment /Prof. Ir.Dr. Chin Jen Feng The six months progress report underlines the research project development ill date. Works have been focused on ccrnpleting the first two milestones albelt with slightly delay. Tt.e progress will be picking up with the expected arrival of postgraduate student at the end of Dec 2014. Therefore before the studern arrival . expenditure is purposely... | 6/17/2019 | 6/12/2019 | Prof. Ir.Dr. Chin Jen Feng - Author | |
Formulation of novel distributed adaptive observer (dao) algorithm for multi agent system with weak inter-agent communication to solve for specific lyapunov function/Dr. Muhammad Nasiruddin Mahyuddin Multiagent system appear in various areas such as cooperative control of unman ned aerial vehicles. autonomous underwater vehiclos, consensus problem of communication networks, formaticn control of mobile robols. Distributed design paradigm is preferred over the centralised approach because the former provides convenient in design, impelementatio... | 6/17/2019 | 6/12/2019 | Dr. Muhammad Nasiruddin Mahyuddin - Author | |
Formulation of a robust framework of image enhancement for non-uniform illumination and low contrast images/Prof. Ir. Dr. Nor Ashidi Mat Isa Non-uniform illummination and low contrast issues are often encountered in acquired digital images. Inevitable external factor such such as irnproper lighting conditions due to the nature of the scene (rnicrcscopic or underwater) to be captured has caused the non-homogeneous brightness and loss of details in the image. Improving the non-unifo... | 6/17/2019 | 6/12/2019 | Prof. Ir. Dr. Nor Ashidi Mat Isa - Author | |
Finite Element Analysis of Tunnelling Induced Deformation Towards/Mohd Ashraf Mohammad Ismail, Lim Siao Phin, Tay Wui Wenn The demand of surface area increases rapidly in the urban areas due to the increase in populations. This leads to the shortage of surface area for development in the future. Underground development is one of the solutions to solve the problems, such as the tunnel constructed underground, to provide new spaces for the development without claiming va... | 3/9/2020 | 10/23/2015 | Mohd Ashraf Mohammad Ismail - Author Lim Siao Phin - Author Tay Wui Wenn - Author | |
Fabrication and characterization of hypoeutectic open-cell al-si foams using gravity die casting and squeeze casting /Samsudin Fitri Aida, Mirsad Nur Hijrah, Amirah Ahmad Hamdi, Hussain Zuhailawati, Abu Seman Anasyida Gravity die casting and squeeze casting are the techniques used for the fabrication of hypoeutectic open-cell Al-Si foams which are characterized and studied for their energy absorbing quality in compression tests. The effect of different amounts of sodium chloride (NaCl) (up to 56 vol.%) as a space holder in the casting of aluminum foam on the mor... | 3/4/2020 | 1/1/2016 | Zuhailawati, Hussain - Author Samsudin Fitri - Author Anasyida Abu Seman - Author | |
Evaluation of tunnel seismic prediction (tsp) result using the japanese highway rock mass classification system for pahang-selangor raw water transfer tunnel_W. C. Von , M. A. M. Ismail The knowing of geological profile ahead of tunnel face is significant to minimize the risk in tunnel excavation work and cost control in preventative measure. Due to mountainous area, site investigation with vertical boring is not recommended to obtain the geological profile for Pahang-Selangor Raw Water Transfer project. Hence, tunnel seismic pred... | 3/5/2020 | 1/1/2017 | Von, W. C. - Author smail, M. A. M. - Author | |
Evaluation of TBM tunnel with respect to stability agains spalling / Prof Madya Dr. Mohd Ashraf Mohd Ismail Abstract. As the depth of tunnels and underground construction increases, instability occurs in the form of rock bursting or spalling because of the induced stresses.Spall ing may appear as a strong compressi ve stress causing crack growth behind the excavated surface and buckling of the thin rock slabs. In this paper, we describe how to reduce th... | 11/12/2019 | 8/1/2019 | Prof. Madya Dr. Mohd Ashraf Mohd Ismail - Author | |
Evaluation of spalling fallout on excavation disturbed zone under deep hard rock tunnel / Romziah Azit The prediction of compressive stress-induced failures is of concern when designing and constructing facilities in rock for deep underground excavation. The purpose of this study is to model compressive stress-induced failure and fallouts with appropriate material models and strength parameters for deep hard rock tunnel excavation. Three method of n... | 3/5/2020 | 1/1/2017 | Romziah Azit - Author | |
Evaluation of rock overstressing in the excavation of pahang-selangor raw water transfer tunnel project/Mohd Ashraf Mohamad Ismail , Romziah Azita, Norzani Mahmood Tunneling under high overburden and high in-situ stress may lead to tunnel instability due to rock overstressing in its surrounding. Overstressing of the hard rock tunnel can cause brittle fractures in the form of rock burst or spalling, which may cause safety hazards, damage of equipment and production disturbances. Therefore, the evaluation of ov... | 3/5/2020 | 10/14/2014 | Mohd Ashraf Mohamad Ismail - Author Romziah Azit - Author Norzani Mahmood - Author | |
Environmental monitoring and controlling system for mushroom farm with online interface /Arjuna Marzuki, Soh Yan Ying Agriculture sensors play an important role in modern agriculture. The use of sensors in various agriculture sectors minimizes the environmental impact on crops, helps in increasing yield and saving cost of operation. Among all agriculture industries in Malaysia, the mushroom industry is a comparatively new and small. As most of the mushroom farms i... | 3/9/2020 | 1/1/2018 | Arjuna Marzuki - Author Soh Yan Ying - Author | |
Embolic signal identification with novel sonographic feature and fusion algorithm for automated embolization detection/Prof. Madya Dr. Dzati Athiar Ramli Stroke is the third leading cause of death for patients and commonly caused by embolus (plaque, blood clots, bubbles, etc) that travel to the brain anf lodge in the bloodstream. Many studies on strokes especially on automated detection of emboli signals have been reported: however, those studies only consider signal at certain topographic area of ... | 6/14/2019 | 6/12/2019 | Prof. Madya Dr. Dzati Athiar Ramli - Author | |
Effect ofnacl as a space holder in producing open cell A356 aluminium foam by gravity die casting process/ S.F. Aida , M.N. Hijrah, A.H.Amirah, H. Zuhailawati , A.S. Anasyida Gravity die casting is the technique which enables fabrication of open-cell A356 aluminium foam as a suitable absorber material with good quality performance. A356 aluminium alloy was used with varies amount of sodium chloride (NaCI) particles as a space holder to fabricate the aluminium foam using gravity die casting. Microstructural analysis, por... | 3/4/2020 | 1/1/2016 | Dr. Zuhailawati Hussain - Author Anasyida Abu Seman - Author | |
Effect of nozzle rotation angles and sizes on thermal characteristic of swirl anti-icing t /Mohd Azmi Ismail , Jian Wang The Federal Aviation Administration requires all ai rcraft manufacturers to ad here to maximum noise level standards. Thus, a bias acoustic l i ner is introduced. to intensi fy the noise eq u ipment system. as well as preven t ice accumulation on the nacelle 0-chamber. The hotspot phenomenon. by the Piccolo tu be anti-i<.:ing sysh:m. cou ld da... | 3/3/2020 | 5/18/2018 | Mohd Azmi Ismail - Author Jian Wang - Author | |
Effect of freezing temperature on the pore formation of beta /Dr. Nurazreena Ahmad . Beta-tricalcium phosphate (P-TCP) has been widely used for biomedical application due to its excellent mechanical strength, good tissue compatibility and outstanding chemical stability. There are several methods to fabricate porous scaffolds including solvent casting, phase separation, rapid prototyping and electrospinning methods. In the present... | 2/26/2020 | 3/1/2018 | Dr. Nurazreena Ahmad - Author | |
Effect of calophyllum inophyllum biodiesel-diesel blends on combustion, performance, exhaust particulate matter and gaseous emissions in a multi-cylinder diesel engine /H.G.How , H.H. Masjuki In this work, the effects of adding of inedible Calophyllum Inophyllum biodiesel to diesel fuel on performance, gaseous emissions, particulate matter (PM) and combustion characteristics were studied in a medium-duty, highpressure common-rail turbocharged four-cylinder diesel engine under different speed and torque conditions. The key physicochemica... | 2/26/2020 | 4/16/2018 | H.G., How - Author H.H. Masjuki - Author | |
Effect of Calophyllum Inophyllum biodiesel-diesel blends on combustion, performance, exhaust particulate matter and gaseous emissions in a multi-cylinder diesel engine In this work, the effects of add ing of ined ible Calophyllum lnophyllum biodiescl to diesel fuel on performance, gaseous emissions, pnrticulnte matter (PM) a nd combustion cha racter istics were stud ied in a med i um-du ty, high• pressu re common- ra il turbocharged four-cylinder diesel engine under different speed and torq ue conditions. The k... | 8/23/2019 | 6/1/2019 | Mohd Azmi Ismail - Author Jian Wang - Author | |
Developments of entropy-stable residual distribution methods for conservation laws 1 scalar problems /Farzad Ismail , Hossain Chizari This paper presents preliminary developments of entropy-stable residual distribution methods for scalar problems. Controlling entropy generation is achieved by formulating a entropy conserved signals distribution coupled with an entropy-stable signals distribution.Numerical results of the entropy-stable residual distribution methods are accurate an... | 2/26/2020 | 11/2/2016 | Farzad Ismail - Author Hossain Chizari - Author | |
Developments of entropy-consistent residual distribution and finite/Prof. Madya Dr. Farzad Ismai | ||||
Chitosan-bleaching earth clay composite as an efficient adsorbent for carbon dioxide adsorption Process optimization_M. Azharul Islam, Y. L. Tan In this study, chitosan-bleaching earth clay composite (Chi-BE) was prepared in three different ratios (1:0.4,
1:0.6 and 1:0.8) by the alkali gelation method for carbon dioxide (COv adsorption in a fixed-bed adsorption system. Chi-BE (1:0.6) with best adsorption capacity was selected through fractional factorial design and characte... | 12/30/2019 | M. Azharul Islam - Author | ||
Characterization of wet impregnation method for catalytic microcombustor by using platinum/Muhamad Nazri Murat, Muhamad Azman Miskam, Mohd Azmier Ahmad, Zainal Alimuddin Zainal Alauddin, Mohammad Zulfikar Ishak The wet impregnation method for catalytic microcombustor was characterized by using platinum as a catalyst. The main purpose of this stud y i s to increase the surface porosity of the catalyst support. A high surface porosity indicates that a high amount of catalyst was deposited within the surface areas. The per... | 12/9/2020 | 1/1/2014 | Muhamad Nazri Murat - Author Muhamad Azman Miskam - Author Mohd Azmier Ahmad - Author Zainal Alimuddin Zainal Alauddin - Author Mohammad Zulfikar Ishak - Author | |
Characterization and efficacy evaluation of modified collagen hydrogel with tethered nanocurcumin/Dr. Masrina Mohd Nadzir corcumin; collagen; genipin | 6/14/2019 | 6/12/2019 | Dr. Masrina Mohd Nadzir - Author | |
Brittle failure simulation of Pahang Selangor raw water transfer tunnel under rock overstressing/Heyam H. Shaalan, Mohd Ashraf Mohamad Ismail, Romziah Azit Modelling a rock brittle failure around underground openings is used to simulate or contemplate the shape, depth and extent of the failure zone and achieved a suitable ground support system, consequently the underground construction safety increases and the construction cost decreases. This study analyses the critical section of the Pahang Selangor... | 3/5/2020 | 10/29/2018 | Heyam H. Shaalan - Author Mohd Ashraf Mohamad Ismail - Author Romziah Azit - Author | |
Asymptotic crack tip fields of surface cracked panels under non-hardening bending loads / Rizman Hariz, Abdul Latiff , Feizal Yusof In this paper, the investigation of in-plane constraint loss in a semi-elliptical surface cracked panei(SCP)
specimen based on a detailed non-hardening finite element analysis with aspect ratios ale ofO.S and relative depths aft of 0.33 and 0.5 under bending loads. The asymptotic stress field solutions were compared to the fully constrained Prandt... | 12/30/2019 | 1/1/2016 | Rizman Hariz - Author Abdul Latiff - Author Feizal Yusof - Author |