Md. Tasyrif bin Abdul Rahman
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Preferred name
Md. Tasyrif bin Abdul Rahman
Official Name
Md. Tasyrif, Abdul Rahman
Alternative Name
Abdul Rahman, Md Tasyrif
Rahman, M. D.Tasyrif Abdul
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Scopus Author ID
36656452500
Researcher ID
FSF-6142-2022

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Fatigue life investigation of UIC 54 rail profile for high speed rail

2017-10-29 , Gurubaran Panerselvan , Mohd Afendi Rojan , Nur Fareisha M. A. , Mohd Shukry Abdul Majid , Haftirman I. , Md. Tasyrif bin Abdul Rahman

This study is to investigate the fatigue life of high speed rail in Malaysia. This paper describes about the experimental and simulation analysis investigation on fatigue life of rail profile UIC 54 using bulk specimen according to ASTM E 466-15 standard. The Fatigue life testing was performed in the fatigue testing machine (Instron 8800) 100 kN. Meanwhile, the fatigue life analysis was performed in ANSYS Workbench 14.5. Furthermore, the stress levels for experimental testing were applied as 16.7%, 25%, 35%, 50%, 58.3%, 66.77% and 75% with machine frequency of 20 Hz. Apart from that, the total fatigue life cycles for rail profile UIC 54 were acquired from both experimental and simulation. The fatigue life S-N curves were plotted and validated with the results of the simulation analysis with experimental results.

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Supervised segmentation on fusarium macroconidia spore in microscopic images via analytical approaches

2024-04-01 , Azuddin K.A. , Ahmad Kadri Junoh , Ammar Zakaria , Md. Tasyrif bin Abdul Rahman , Nor N.M.I.M. , Nishizaki H. , Latiffah Z. , Azuddin N.F. , Abdullah M.Z. , Terna T.P.

Fungi are one of the major causes that contributed to plant diseases. There are lots of fungi species but it is estimated that only 10% have been described. There are two major approaches to identifying fungi species, morphological identification, and molecular test which need cautious clarification to make good interpretations and are time-consuming. In this paper, we propose a Machine Learning approach that involves the use of the K-Means clustering technique, and Decision Tree to highlight the observed fungi spore images taken under the microscopic view and discard background pixels to produce digital images database which later can be used for Deep Learning.

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Effect of various bending angles on a passive light pipe for eco-daylighting systems

2017-10-29 , Ng Y. F. , Mohd Sani Mohamad Hashim , Din M.A.Z. , Nasrul Amri Mohd Amin , Nur Saifullah Kamarrudin , Mohd Hafif Basha Mohamad Jamel Basha , Md. Tasyrif bin Abdul Rahman

Daylighting systems is one of alternative to reduce a high energy consumption that caused by artificial lighting. However the use of passive light pipes in daylighting systems with various bending angles may affect the efficiency of light transfer from the sunlight to the room. Thus this paper is proposed to study the effect of various bending angles on a light pipe. Three bending angles of light pipe, which are 0°, 30° and 45°, were analyzed through the experimental works. A test bed room was constructed in order to simulate daylighting in a room. The results were then visualized in graphs based on the efficiency by considering the maximum average internal illuminance achieved by each light pipe. From the results, it shows that when the bending angle increases, the average internal illuminance decreases. And the highest average internal illuminance was achieved by 0° light pipe.

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