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All Journal Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Agricultural Biosystem Engineering
Sidik, Ahmad Jaelani
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Agriculture, Biological Sciences & Forestry Automotive Engineering Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Materials Science & Nanotechnology

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Desain dan Analisis Kinerja Air Blower Kipas Sentrifugal untuk Pengendalian Gulma Pramuhadi, Gatot; Ayu, Zavira Mega; Sidik, Ahmad Jaelani
Jurnal Agricultural Biosystem Engineering Vol 3, No 2 (2024): June 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i2.9245

Abstract

This study aims to design and analyze the performance of the centrifugal fan water for weed control and compare it with the performance of air blowers that use axial fans. This study consists of three stages, namely design and manufacturing, testing in the laboratory, as well as testing for controlling dry land weeds in the field. There are 6 treatments tested, namely a combination of two types of fans (axial and centrifugal) and three types of cone nosel (4 holes, 5 holes, and 6 holes). The results showed that the centrifugal fan air blower displays good performance according to functional design and structural design.  Centrifugal fan blower performance is more effective than axial fan air blower because centrifugal fan blower is able to produce smaller (smoother) droplet diameters and larger droplet density (more tight) so that it has a greater herbiciding ability than axial fan air blower water .  Centrifugal fan blower can produce a droplet diameter of 94 microns to 118 microns more fine than axial fan of 246 microns to 299 microns.  The centrifugal fan blower can produce a larger droplet density (tight) of 369 droplets/cm2 to 538 droplets/cm2 compared to the axial fan of 74 droplets/cm2 to 117 droplets/cm2.  The centrifugal fan blower water produces a spraying discharge of 1.22 liters/minute to 1.41 liters/minute is smaller than the axial fan of 2.33 liters/minute to 2.93 liters/minute.  The ability of centrifugal fan herbiciding is 76.21% to 78.02% greater than axial fan of 76.36% to 77.41%. Keywords: Air Blower, Axial Fan, Centrifugal Fan, Herbiciding, Weeds
Optimizing Vane Number for Enhanced Performance of Mist Blower Nozzle in Agricultural Spraying Pramuhadi, Gatot; Walpuri, Chitra Gusti Indah; Sidik, Ahmad Jaelani; Agusta, Waqif
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 13 No. 3 (2024): September 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i3.794-804

Abstract

The objective of this study is to optimize the number of vanes equipped in the propeller of a mist blower's nozzle. Performance tests were conducted on the approved sprayer test bed, also known as a patternator, to measure several parameters, including effective spraying discharge, effective spraying width, spraying angle, effective spraying height, effective spraying range, droplet diameter, and droplet density. The vane number was optimized using the weighting method. The results indicate that increasing the number of vanes used is directly correlated with higher values of effective spraying width (ESW), spraying angle, effective spraying range (ESR), and droplet density. Conversely, it is inversely correlated with the value of effective spraying discharge (ESD), effective spraying height (ESH), and droplet diameter. The vane number was optimized using the weighting method. The most effective results in the mist blower performance test are achieved by using 12 vanes. This configuration produces droplets with a diameter of 195.44 ±9.68 μm and a density of 320 ± 17.44 droplets/cm2. The mist blower also has ESW of 136 ± 1.73 cm, ESH of 68.14 ± 4.19 cm, ESD of 4.41 ± 0.14 L/min, and ESR of 5.76 ± 0.04 m. Keywords: Agricultural spraying, Mist blower, Nozzle optimization, Performance evaluation, Vane number.
Co-Authors Agusta, Waqif Ayu, Zavira Mega Gatot Pramuhadi Walpuri, Chitra Gusti Indah