Nur Saifullah Kamarrudin
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Preferred name
Nur Saifullah Kamarrudin
Official Name
Nur Saifullah, Kamarrudin
Alternative Name
Kamarrudin, Nur Saifullah
Kamaruddin, N. S.
Kamarrudin, Nur Saifullah
Kamarrudin, N. S.
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Scopus Author ID
56010115700
Researcher ID
HTS-3390-2023

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  • Publication
    Efficiency analysis of a passive daylighting system based on Northern Malaysia’s climate
    (Semarak Ilmu Publishing, 2025-04)
    Mohd Sani Mohamad Hashim
    ;
    Muhammad Amin Zulkifli Din
    ;
    Abdul Halim Ismail
    ;
    Mohd Hafif Basha Mohamad Jamel Basha
    ;
    Nasrul Amri Mohd Amin
    ;
    Ng Yi Fei
    ;
    Muhamad Safwan Muhamad Azmi
    ;
    Siti Marhainis Othman
    ;
    Nur Saifullah Kamarrudin
    Daylighting design strategy is important in order to have adequate lighting source in a room and necessary to decrease energy consumption for artificial lighting. Passive daylighting system utilizes daylight by collecting, reflecting and diffusing the natural light throughout a given area. The purpose for this study is to monitor, compare and analyse an optimum light pipe system design that can scatter daylight into a room based on three case studies. Lighting analysis was conducted using Autodesk 3ds Max Design software throughout the project based on the actual geographical parameters of Universiti Malaysia Perlis, Malaysia and also using the real sun azimuth on working hours. The results were compared according to the respective designs in order to observe the maximum internal illuminance and the average internal illuminance. The results show that the straight geometry with low aspect ratio produces the highest interior light intensity among other light pipe systems and the average internal illuminance values in the room was able to reach the minimum requirement of a small room which is 200 – 500 lux.
  • Publication
    Effect of various bending angles on a passive light pipe for eco-daylighting systems
    (IOP Publishing, 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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