IEM Journal: Recent submissions

Now showing items 101-120 of 310

    • Strength and deformation characteristics of cement treated soft Bangladesh clays 

      Md. Mokhlesur, Rahman, Prof.; Abu Taher, Md. Zillur Rabbi; Abu Siddique, Prof. (Institution of Engineers, Malaysia (IEM), 2011-12)
      The strength and deformation characteristics of cement treated soft Bangladesh clays are evaluated through a series of experimental investigations. Based on the rate of strength development, the unconfined compressive ...

    • A multilevel multiplexing technique for high speed fiber optic communication systems 

      Amin, Malekmohammadi, Dr.; Ahmad Fauzi, Abas, Ir. Assoc. Prof. Dr. (Institution of Engineers, Malaysia (IEM), 2011-12)
      In order to explore the potential of optical multilevel signaling for high speed optical fiber networks, a novel multilevel multiplexing technique is demonstrated. Three users, each with data rates of 10 Gb/s were ...

    • Physical, geotechnical and morphological characteristics of peat soils from Sarawak 

      Md. Aminur, Rahman; Kolay, Prabir K., Dr.; Siti Noor Linda, Taib, Dr.; Mohammad Ibrahim, Safawi, Assoc. Prof. Dr.; Ahmad Kamal, Abd Aziz (The Institution of Engineering, Malaysia (IEM), 2011-12)
      In Malaysia, Sarawak has the largest area of peat-land in the country, covering approximately 1.66 million hectares. With the rapid industrialisation and population growth, construction is scheduled almost all over the ...

    • Investigation best number of tanks for hydrological tank model for rural catchment in humid region 

      Kuok, King Kuok, Ir. Dr.; Sobri, Harun, Prof. Madya Dr.; Chiu, Po Chan (The Institution of Engineers, Malaysia (IEM), 2011-12)
      Hydrological Tank model has proven more capable than many other models in modeling the hydrologic responses from a wide range of humid watershed. Many hydrologists are using this model due to its simplicity of concept and ...

    • Comparison study of experimental and simulation temperature data in the esterification process of Palm Oil Fatty Acid Distillate (PFAD) in a fluidised reactor 

      Norliza, Abd Rahman; Sam Yet; Noorhisham Tan, Kofli (The Institution of Engineers, Malaysia (IEM), 2011-09)
      Palm Oil Fatty Acid Distillate (PFAD) is a by-product from palm oil refinery process and normally used as ingredient of making candles, soap and others. Recently, many researchers have been carried out to diversify the ...

    • Zero discharge composting of palm oil mill wastes 

      Ooi, Ho Seng, Ir. (The Institution of Engineers, Malaysia (IEM), 2011-09)
      The conventional methods of disposal and treatment of oil palm mill wastes are not environmentally friendly and they result in large amount of Greenhouse gases being emitted into the atmosphere. The technical feasibility ...

    • Tubular strength comparison of offshore jacket structures under API RP2A and ISO 19902 

      Arazi, Idrus, Assoc. Prof.; Narayanan Sambu Potty, Assoc. Prof.; Zafarullah, Nizamani (The Institution of Engineers, Malaysia (IEM), 2011-09)
      Offshore jacket platforms in Malaysia are designed using API RP2A Working Stress Design (WSD) code. WSD code has proved its effectiveness and has been in use for long time, but it needs to be changed into Load and Resistance ...

    • Thermal comfort assessment at parcel and logistic industry: A field study in Malaysia 

      Ahmad Rasdan, Ismail, Ir.; Norfadzilah, Jusoh; Mohd. Nizam, Ab Rahman, Dr.; Rozli, Zulkifli; Kumaran Kardigama (The Institution of Engineers, Malaysia (IEM), 2011-09)
      This paper presents the workers thermal sensation votes and perception of the thermal environment in air conditioning at one of the workspace in Malaysian parcel and logistic industry. The environment factors examined was ...

    • Flow streamlining for cooling improvement in ventilated brake disc using CFD as design tool 

      Kannan M. Munisamy, Ir,; Norshah Hafeez, Shuaib; Mohd. Zamri, Yusoff, Ir. Dr.; Savithry K. Thangaraju (The Institution of Engineers, Malaysia (IEM), 2011-09)
      This paper presents experimental and Computational Fluids Dynamics (CFD) investigations of the flow and heat transfer in ventilated brake discs. The validation CFD model is done using the straight blade (baseline design) ...

    • Flow pattern in a horizontal primary separator 

      Chen, Gooi Mee, Dr.; Mohamad Iskandr, Mohamad Nor (The Institution of Engineers, Malaysia (IEM), 2011-08)
      It is important in any gravity separator to provide uniform flow conditions between the inlet and the outlets. In this study, two-dimensional Computational Fluid Dynamics (CFD) modelling was used to reveal the problems ...

    • Shear design of wide beam ribbeds slabs 

      Lau, Teck Leong, Ir. Dr.; L A Clark OBE, Prof. (The Institution of Engineers, Malaysia (IEM), 2011-09)
      A method for the shear design of wide beam ribbed slabs is proposed. The method modifies the current UK code design method for solid slabs by applying a shear area factor which reduces the area of the code critical shear ...

    • The performance of a prefaricated vertical drain trial embankment 

      Chin, Chong, Ir. (The Institution of Engineers, Malaysia (IEM), 2011-09)
      Two fuel scale trial embankments were constructed to a height of 3.65 m over the soft marine clay at Juru, Butterworth, Pulai Pinang. One of the embankments was improved using prefabricated vertical drain (PVD), and the ...

    • Development and performance tests of a separator for removal of physically emulsified and free oils from wastewaters 

      Law, Puong Ling, Dr.; Ngu, Lock Hei; Wong, Kien Kuok; Awangku Abdul Rahman, Pgn. Hj. Yusof, Dr. (The Institution of Engineers, Malaysia, 2006-06)
      A novel oil-water separator with multiple angles parallel coalescence frustums for removal of physically emulsified and free oils from wastewater was recently developed. Performance tests had been carried out to determine ...

    • Cycloconverter-type high frequency link inverter for photovoltaic application 

      Zainal, Salam, Prof. Dr.; Nge, Chee Lim; Toh, Leong Soon; Mohd. Zulkifli, Ramli (The Institution of Engineers, Malaysia, 2006-03)
      The abundance solar energy in this country has triggered the interest of researchers to develop local products to be used in the solar photovoltaic (PV) systems. Although the development of solar cell itself is somewhat ...

    • Flood frequency analysis for Sarawak using Weibull, Gringorten and L-Moments formula 

      Onni Suhaiza, Selaman, Dr.; Salim, Said, Prof. Dr.; Frederik, Josep Putuhena, Prof. Dr. (The Institution of Engineers, Malaysia, 2007-03)
      The objective of this study is to determine the magnitude and frequency of floods for Sarawak using Gumbel distribution. Nineteen stations were selected for the study based on the criteria stated in Hydrological Procedure ...

    • An investiIgation on e-learning readiness of engineering students 

      Chow, Shiao Huey; Ng, Set Foong; Salwah, Che Mat (The Institution of Engineers, Malaysia, 2007-12)
      With advancement in technology, education has taken a new dimension with the introduction of e-learning. Many institutions of higher learning in Malaysia have ventured into e-learning. Although e-learning offers attractive ...

    • Review of active power filter technologies 

      Zainal, Salam, Prof. Dr.; Tan, Perng Cheng; Awang, Jusoh, Dr. (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 ...

    • Post-flood forensic analysis of Sungai Maong using InfoWorks ™ River Simulation (RS) 

      Jenny Kuihoon, Kulu; Mah, Darrien Yau Seng; Frederik, Josep Putuhena, Prof. Dr.; Salim, Said, Prof. Dr. (The Institution of Engineers, Malaysia, 2007-12)
      Sungai Maong catchment is one river basin with the worst flooding history in Kuching City. Post-flood forensic analysis outlined in this paper presented an approach using a hydrodynamic model – InfoWorks River Simulation ...

    • Stress analysis of torispherical shell with radial nozzle 

      Amran, Ayob, Dr. (The Institution of Engineers, Malaysia, 2006-09)
      The high stresses at intersections are caused by discontinuity shear stresses and moments which exist to maintain compatibility at the junction. The finite element method was used to determine the stress field at the ...

    • A study of ecological sanitation as a way to combat urban water stress 

      Mah, Darrien Yau Seng; Frederik, Josep Putuhena, Prof. Dr.; Salim, Said, Prof. Dr.; Law, Puong Ling, Dr. (The Institution of Engineers, Malaysia, 2008-09)
      Water supply is one of the basic infrastructure requirements. Water treatment and supply are often granted a much higher priority than wastewater collection and treatment, despite the fact that wastewater deserves a greater ...