Now showing items 1-6 of 6

    • Cloud based models in determination of solar radiation: A review 

      Ayu Wazira, Azhari; Kamaruzzaman, Sopian; Abdul Haqi, Ibrahim (World Scientific and Engineering Academy and Society, 2009-07-01)
      Meteorological data has been used in determining of global and diffuse solar radiation for years. Various methods have been developed and proved to be accurately comparable to the measured value. Among all, the most common ...
    • Estimation of solar energy potential in East Malaysia by using Satellite Images 

      Ayu Wazira, Azhari; Kamaruzzaman, Sopian; Abdul Haqi, Ibrahim (Universiti Malaysia Sarawak, 2007-12-27)
      Solar energy has been identified as one of the most potential alternative energy resources as Malaysia receives abundant sunshine all year long. Even though there are many solar instruments that can be used in measuring ...
    • Germination of ficus seeds for rehabilitation purposes 

      Ayu Wazira, Azhari; Abdul Haqi, Ibrahim; Ain Nihla, Kamarudzaman (Universiti Sains Malaysia (USM)School of Materials & Mineral Resources Engineering (SMMRE), 2009-06-01)
      Quarrying industries have played an important role in our country for a long time. As the need of quarrying products arises, most companies have been neglecting one of the most important aspects in quarrying, which is the ...
    • Organic pollutants removal from diluted palm oil mill effluent (POME) through Sono–Fenton–nZVI process 

      Mohd Raihan, Taha, Prof. Dr.; Abdul Haqi, Ibrahim; Ayu Wazira, Azhari; Mahyun, Ab Wahab (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      In this study, an advance Fenton process called sono-Fenton-nZVI process was used to remove organics content from palm oil mill effluent (POME). Factors such as pH, sonication intensity and sonication time were studied in ...
    • Recycling potential of waste materials as fire resistance material 

      Ayu Wazira, Azhari; Abdul Haqi, Ibrahim; Mahyun, Ab Wahab; Salwa, Mohd Zaini Makhtar; Azmil, Mohd Aris (Universiti Teknologi Malaysia (UTM), 2009-06-02)
      In this paper, the possibility of using waste materials as a major component for the manufacturer of thermal insulating elements is was studied. It is believed that the use of fly ash combined together with red gypsum which ...
    • The utilization of coal fly ash and red gypsum as fire insulation product 

      Ayu Wazira, Azhari; Azmil, Mohd Aris; Abdul Haqi, Ibrahim; Salwa, Mohd Zaini Makhtar; Mahyun, Ab Wahab (Universiti Malaysia Pahang, 2009-06-20)
      In this paper, the thermal, mechanical and optical properties of mortars mainly composed of coal fly ash and red gypsum are studied with the aim of analyzing the fire resistance and mechanical strength characteristics of ...