Nik Noriman Zulkepli
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Preferred name
Nik Noriman Zulkepli
Official Name
Nik Noriman , Zulkepli
Alternative Name
Zulkepli, N. N.
Noriman, Nik Zulkepli
Noriman, N. Z.
Zulkepli, Nik N.
Zulkepli, Nik Noriman
Main Affiliation
Scopus Author ID
55898485400
Researcher ID
J-6410-2015

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  • Publication
    Spraying Dispersion Analysis with Different Nozzle Types Using a UAV Spraying System in a Paddy Field
    ( 2023-01-01)
    Hazry Desa
    ;
    Muhammad Azizi Azizan
    ;
    Nik Noriman Zulkepli
    ;
    Nurfadzillah Ishak
    ;
    Tian T.Y.
    ;
    Yahya S.S.
    ;
    Shahrazel A.A.M.
    ;
    Mansor F.M.
    ;
    Aziz S.Z.A.
    ;
    Hussain A.S.T.
    This study investigates the ability of Unmanned Aerial Vehicle (UAV) spraying systems to be used as an agriculture spraying method in Malaysia. The operating height of the UAV was 1.5 m with three different nozzles were investigated within a wind speed of 1.15 m/s to determine spray uniformity and dispersion in the paddy field conditions. The results from these samples were evaluated by using ImageJ software. The results show that the droplet distribution by using an electrostatic centrifugal nozzle has a high average droplet density, which is 134.03 deposits/cm2 for the top area and 153.93 deposits/cm2 for the bottom area. The electrostatic centrifugal nozzle also testified to the high value of total droplet deposit at 3478 for the top area and 3255 for the bottom area.
      1
  • Publication
    Effect of Spraying Dispersion Using UAV Spraying System with Different Height at Paddy Field
    ( 2023-01-01)
    Hazry Desa
    ;
    Muhammad Azizi Azizan
    ;
    Nik Noriman Zulkepli
    ;
    Nurfadzillah Ishak
    ;
    Hang T.X.
    ;
    Yahya S.S.
    ;
    Shahrazel A.A.M.
    ;
    Mansor F.M.
    ;
    Aziz S.Z.A.
    ;
    Hussain A.S.T.
    This study investigated the UAV spraying system height in relation to spraying uniformity and dispersion. The operating heights of the UAV spraying system at heights of 1 m, 1.5 m, and 2 m from the hollow cone nozzles were investigated within a wind speed of 2.8 m/s. The tests were to determine the spray uniformity and dispersion on the water sensitive paper that was placed on the paddy plant. The results of water droplet samples were evaluated using ImageJ software. The results show the droplet distribution at 1.5 m height has high values for average droplet density, which is 162.7 deposits/cm²at the top area and 161.8 deposits/cm²at the bottom area. The percentage of coverage was also high, at 55.21% at the top area and 51.4% at the bottom area.
      1