iKnow

A New Erbium Doped Fiber Amplifier
Research Output | Dar Al-hikmah Library | IIUM Only

In this study, a new configuration of an Erbium Doped Fiber Amplifier (EDFA’s) is proposed. Double-pass amplification in a dual-stage using a fiber loop-back is incorporated with a Tunable band pass filter. Spontaneous emission is filtered-out in the mid-section to ensure efficient amplification of the signal as it propagates along the fiber. Hig

Halal Meats and Frozen Foods: the Halal Abattoir, Packaging, Storage and Handling
Research Output | Dar Al-hikmah Library | IIUM Only

In Malaysia we are 'loaded' by many halal meats and halal frozen foods. We take it for granted that we just simply pick any frozen meat or food stamped with the halallogo. Even young children know that if they wanted to buy any packed food, the item must have the familiar Malaysian halal logo.

Form Characterization of Microhole Produced by Microelectrical Discharge Drilling
Research Output | Dar Al-hikmah Library | IIUM Only

This article discusses the characterization of form of microholes produced by microelectrical discharge drilling (micro-EDD) on beryllium-copper alloy using tungsten carbide electrode of 300 µm diameter. Using a fixed set of micro-EDD parameters, microholes of different aspect ratio were drilled. The selected form characteristics diameter, roundne

Investigation of Finish Cut of Microelectrodischarge Milling for Nanosurface Finish
Research Output | Dar Al-hikmah Library | IIUM Only

In this article, the machining conditions to achieve nanometric surface roughness in finish cut microelectrodischarge milling were investigated. For a constant gap voltage, the effect of feed rate and capacitance was studied on average surface roughness (Ra) and maximum peak-to-valley roughness height (Ry). Statistical models were developed using a

Prospect for Nuclear Engineering Education in Malaysia
Research Output | Dar Al-hikmah Library | IIUM Only

The use of nuclear power for electricity generation using nuclear power reactors are well-known. Malaysia is considering the use of nuclear power in her energy mix. Engineers with nuclear engineering background will be needed alongside other engineering disciplines. The planning window for a national nuclear power program is long, but the need to g

Forecasting Future Irrigation Water Sustainability in Upper Bernam River Basin Malaysia
Research Output | Dar Al-hikmah Library | IIUM Only

The Bernam river basin where Proton city is located is rapidly developing, changing from agriculture based to an industrial area. Land development can be associated with increased impervious areas causing increase in surface runoff and decrease in ground water recharge. The study area is the main source of irrigation water supply for paddy fields i

Thermal, Mechanical and Rheological Properties of Poly (Lactic Acid)/epoxidized Soybean Oil Blends
Research Output | Dar Al-hikmah Library | IIUM Only

Poly(lactic acid) (PLA) was melt blended with epoxidized soybean oil (ESO) in an internal mixer and thermal, mechanical and rheological properties of the blends were investigated by means of differential scanning calorimetry, dynamic mechanical analysis, tensile test and small amplitude oscillatory shear rheometry. ESO lowered glass transition temp

Fabrication of Microfluidic Channel Using Micro End Milling and Micro Electrical Discharge Milling
Research Output | Dar Al-hikmah Library | IIUM Only

This paper discusses the fabrication of microfluidic channels using micro end milling and micro electrical discharge (ED) milling on metals and polymers. The width of the microchannels fabricated by micro end milling was 100-800 µm with 1-2 aspect ratio. The average surface roughness values were 100-200 nm and 80-120 nm on metals and polymers resp

Moringa Oleifera Seeds as Natural Coagulant for Water Treatment
Research Output | Dar Al-hikmah Library | IIUM Only

Developing countries and third world countries are facing potable water supply problems because of inadequate financial resources. The cost of water treatment is increasing and the quality of river water is not stable due to suspended and colloidal particle load caused by land development and high storm runoff during the rainy seasons especially in

Micro End Milling of Aisi 304 Stainless Steel and Analysis of Micro Surface Roughness
Research Output | Dar Al-hikmah Library | IIUM Only

This paper discusses tool based micromilling of AISI 304 to generate micro surface roughness. The aim is to have lowest roughness average (Ra) and also lowest maximum height of the surface (Rmax). Feed per tooth, cutting speed and coolant were chosen as the cutting parameters for the investigation. Using a 500 μm diameter tungsten carbide end mill

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