Hazry Desa
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Hazry Desa
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Desa, Hazry
Alternative Name
Desa, H.
Hazry, Desa
Desa, Hazy
Hazry, D.
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Scopus Author ID
16642497100

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  • 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  25
  • Publication
    Experimental Analysis of Flight Altitude for Enhanced Agricultural Drone Spraying Performance
    ( 2023-01-01)
    Hazry Desa
    ;
    Muhammad Azizi Azizan
    ;
    Nurfadzillah Ishak
    ;
    Hang T.X.
    Effective rice field management and the proper application of agricultural chemicals are crucial for ensuring agricultural product quality. These chemicals control weeds and protect against insect pests, which can harm crop yields and quality. This research explores the relationship between the altitude at which agricultural drones spray chemicals, spray uniformity, and chemical dispersion. The study assesses drone operations at heights of 1m, 1.5m, and 2m above hollow cone nozzles in 2.8m/s wind conditions. It aims to evaluate droplet uniformity and dispersion on water-sensitive paper placed on paddy plants, analyzed with ImageJ software. Results show that at 1.5m height, there's a significantly higher average droplet density, with 162.7 deposits/cm² in the upper region and 161.8 deposits/cm² in the lower region. Additionally, coverage is notably increased, at 55.21% for the upper region and 51.4% for the lower region. This research highlights the importance of optimal drone altitude for efficient chemical application in rice fields, improving crop protection and yield.
      8  28
  • Publication
    The sustainability of recycled concrete as green material solution
    ( 2020-03-25)
    Muhammad Azizi Azizan
    ;
    Nik Noriman Zulkepli
    ;
    Hazry Desa
    ;
    Nurfadzillah Ishak
    ;
    Dahham O.S.
    ;
    Umar M.U.
    ;
    Johari I.
    Nowadays, there are lot of concrete waste were produced from demolition, destruction and others. The usage of concrete is not environmentally friendly due to depletion of reserve natural resources, high energy consumption and disposal issues. Construction debris give a large fraction of solid waste disposal problem, and constitutes the large component. By recycling concrete waste for brick production as replacement the other materials, it can reduce the usage of natural resources and disposal problem that have been occur. The aim of this study to determine the sustainability of the recycled concrete by producing a brick using recycled coarse concrete aggregate at nominal size 10mm. An experiment done by comparing the result of the control specimen using 100% natural sand with specimen that have replaced the sand with recycled concrete aggregate for 0%, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, and 100%. The result showed the optimum recycled concrete to produce a brick is at 90% replacement of RCCA where the compressive strength and flexural was achieved 9.7MPA and 3.53MPA respectively with 16133.33 kg/m3 of density. The water absorption of green brick is 9.23% and the cost of brick have been reduced from Rm0.26 to 0.20.
      4  32
  • Publication
    The Potential and Readiness of Unmanned Aerial System (UAS) Implementation in the Development of Construction Work
    ( 2023-01-01)
    Nurfadzillah Ishak
    ;
    Muhammad Azizi Azizan
    ;
    Hazry Desa
    Unmanned aerial system technology is being used more and more frequently in the construction sector today. Over the past ten years, unmanned aerial systems (UAS) have developed into cutting-edge military technology and readily available consumer goods. Unmanned aerial system technology is being used more and more frequently in the construction business today. Drone applications are shifting more and more toward productive remote procedures that can be carried out in a variety of building industry settings. Remote sensing tools for Unmanned Aerial Systems can be used to examine and assess the status of ongoing building construction projects. This research will let building construction professionals see how remote sensing technology may replace human paper-based supervision and an unorganized database for the existing traditional construction job progression method.
      1
  • Publication
    Drones and Data: A Comprehensive Exploration of UAVs in Data Mining
    ( 2024-01-01)
    Muhammad Azizi Azizan
    ;
    Nurfadzillah Ishak
    ;
    Hazry Desa
    Encapsulates a comprehensive investigation into the symbiotic relationship between Unmanned Aerial Vehicles (UAVs) and data mining, as encapsulated in the discourse titled "Drones and Data." This exploration delves into the multifaceted applications and transformative impact of UAV technology within the data mining landscape. The examination begins by elucidating the pivotal role of UAVs, highlighting their mobility, accessibility, and capability to collect data from challenging or remote environments. As technology evolves, UAVs have emerged as versatile platforms that redefine the data is collected and analysed across diverse sectors. The narrative unfolds through distinct dimensions, encompassing precision agriculture, environmental monitoring, infrastructure inspection, mining and exploration, disaster response, and urban planning. The technological transitions facilitated by UAVs, emphasizing the integration of machine learning algorithms, cloud-based data processing, and the collaborative synergy between stakeholders. These advancements position UAVs as transformative tools that not only enhance the efficiency of information acquisition but also open avenues for innovative solutions and insights. Therefore, this study a glimpse into the intricate web of applications and technological advancements at the intersection of UAVs and data mining. It serves as a scholarly guide, navigating the reader through the evolving landscape of "Drones and Data," UAVs play a central role in unlocking unprecedented insights and efficiencies, reshaping the future of data mining.
      3  18
  • Publication
    Investigating the Engineering Interventions in the Conservation of Malaysia Heritage Structures: A Review on Preserving Historical Edifices Through Advanced Civil Engineering Techniques
    ( 2024-01-01)
    Muhammad Azizi Azizan
    ;
    Nurfadzillah Ishak
    ;
    Hazry Desa
    This review delves into the realm of Malaysia's heritage conservation, spotlighting the transformative impact of advanced civil engineering techniques. Through the integration of Fiber-Reinforced Polymers (FRP) and nanotechnology, historical edifices are fortified, seamlessly blending modern engineering with architectural elegance. Non-destructive testing (NDT) methods, including ground-penetrating radar and Finite Element Analysis (FEA),empower conservationists with deep insights into structural intricacies, guiding targeted interventions. In the digital sphere, 3D laser scanning captures intricate details, while Virtual Reality (VR) simulations facilitate immersive exploration and informed decision-making. Beyond preservation, these technologies foster public engagement, ensuring a collective understanding of Malaysia's cultural heritage. This harmonious fusion of tradition and cutting edgeengine ering ensures the enduring legacy of Malaysia's architectural treasures.
      1  24
  • Publication
    The Capabilities and Readiness of Unmanned Aerial System (UAS) implementation in Construction Work Progression
    ( 2023-01-01)
    Nurfadzillah Ishak
    ;
    Muhammad Azizi Azizan
    ;
    Hazry Desa
    Nowadays, the implementation of Unmanned Aerial Systems technology is becoming increasingly widespread in the construction industry. Unmanned Aerial Systems (UAS) have evolved over the past decade as both advanced military technology and off-the-shelf consumer devices. Nowadays, the implementation of Unmanned Aerial Systems technology is becoming increasingly widespread in construction industry. The uses of drones are increasingly moving towards successful remote procedures which can take place in a range of in building industry. Unmanned Aerial Systems remote sensing equipment is a way in which current building construction work progress can be analysed and inspected. Therefore, this study would be beneficial as eye opener for building construction practitioner that this remote sensing equipment can replaced the manual paper-based supervision and unsystematic database of current conventional construction work progression process.
      2  12
  • Publication
    Application of coal bottom ash as raw material for concrete brick in housing construction
    ( 2020-03-25)
    Muhammad Azizi Azizan
    ;
    Nik Noriman Zulkepli
    ;
    Nurfadzillah Ishak
    ;
    Hazry Desa
    ;
    Omar S. Dahham
    ;
    Umar M.U.
    ;
    Jaya H.
    Coal and coal-fired power plants are crucial for supplying global energy demand. However, coal-fired power plants produce significant quantities of bottom ash as by-products. Through these power plants, it produces approximately 18 tons of bottom ash each day. Malaysia has the challenging task of dealing with an increasing amount of waste generated by power plants each year. The high cost of construction and operation of incineration plants coupled with a lack of landfills have given rise to the need for waste minimization and recycling. The use of coal ash in concrete is a new dimension in concrete mix design and if applied on large scale can revolutionize the construction industry, by economizing the construction cost and decreasing the ash content. The used of the coal bottom ash in the concrete brick can reduce the wastage of the coal bottom ash in Malaysia, beside that the cost of the housing can be reduced. In addition, the sustainability in the housing construction in Malaysia can be achieved using the wastage material in the construction.
      43  3
  • Publication
    The effectiveness of highway information modeling in Kuala Perlis - Changlun Roadway
    ( 2020-03-25)
    Muhammad Azizi Azizan
    ;
    Nik Noriman Zulkepli
    ;
    Hazry Desa
    ;
    Nurfadzillah Ishak
    ;
    Dahham O.S.
    ;
    Umar M.U.
    ;
    Jaya H.
    Road and highway observation is critical for road engineers to determine the information of the highway itself for the needs of maintenance, rehabilitation and even in construction. This research reviews the efficiency of information of roads and highway by visual and experience. The mean of visual includes the usage of Unmanned Aerial Vehicles (UAV) and on spot observation. It also reveals the image based, photogrammetric and stereo-vision, and mobile mapping systems.The software output has compatibility with known CAD/GIS packages to widen its scope of applications. Methodologies, examples and demonstration related to the use of the developed software and laser scanning data in road mapping for a case study are described. The results showed the flexibilities of the developed software and the proposed method for generating the necessary maps and data for road distresses such as longitudinal cracks, transverse cracks, patch deterioration, potholes, and ravelling. However, the present work shows that using terrestrial laser scanning technologies for modelling the road surface has advantages such as surveying speed, big roads, highways and tunnels. Also it provides the safety for surveyors and the absence of a disruption to traffic. The developed software and methodology are suitable for universities, academic centres and are of great interest to small engineering firms for the generation of road surface maps.
      2  21
  • Publication
    Experimental Analysis of Flight Altitude for Enhanced Agricultural Drone Spraying Performance
    ( 2023-01-01)
    Hazry Desa
    ;
    Muhammad Azizi Azizan
    ;
    Nurfadzillah Ishak
    ;
    Hang T.X.
    Effective rice field management and the proper application of agricultural chemicals are crucial for ensuring agricultural product quality. These chemicals control weeds and protect against insect pests, which can harm crop yields and quality. This research explores the relationship between the altitude at which agricultural drones spray chemicals, spray uniformity, and chemical dispersion. The study assesses drone operations at heights of 1m, 1.5m, and 2m above hollow cone nozzles in 2.8m/s wind conditions. It aims to evaluate droplet uniformity and dispersion on water-sensitive paper placed on paddy plants, analyzed with ImageJ software. Results show that at 1.5m height, there's a significantly higher average droplet density, with 162.7 deposits/cm² in the upper region and 161.8 deposits/cm² in the lower region. Additionally, coverage is notably increased, at 55.21% for the upper region and 51.4% for the lower region. This research highlights the importance of optimal drone altitude for efficient chemical application in rice fields, improving crop protection and yield.
      1  30