A. Surendrakumar

Tamil Nadu Agricultural University

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Shahid Imran

Lahore College for Women University

Jany Giles A

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Lahore College for Women University

University of Engineering and Technology Lahore

Lahore Leads University

St Louis Community College

Saint Louis University

South China Normal University

Central Institute of Agricultural Engineering

Queen Mary University of London

Zhejiang University

State Key Laboratory of Modern Optical Instruments

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Evaluation of Hydraulic Energy Nozzle Suitable for Low Velocity Air-Assisted Sprayer

International Journal of Current Microbiology and Applied Sciences (2018)

Shahid Imran A. Surendrakumar

Performance evaluation of commercially available hydraulic energy nozzles (HCN/PB, HCN/PC, HCN/PD and HCN/PE) used in manually operated sprayer was conducted to identify the suitable nozzle for low velocity air-assisted sprayer. The discharge rate, droplet size, droplet size distribution pattern and spray distribution pattern of all the types of nozzles were measured with a pressure range of 0.1 to 0.4 MPa at an interval of 0.1 MPa. It was found that with the increase in pressure from 0.1 to 0.4 MPa, the discharge rate, swath width and spray angle increased for all the four types of nozzles. At all working pressures, the discharge rate and spray width is higher for HCN/PE nozzle followed by HCN/PD, HCN/PC and HCN/PB. The discharge rate of HCN/PB nozzle (363 to 533 ml/min) was found suitable for cotton crop. For the tested pressure range (0.1 to 0.4 MPa), the HCN/PB nozzle produces best droplet size in between 100 to 150 µm, good uniformity coefficient and the maximum percentage (63.81, 64.65, 61.56 and 65.5 per cent) of volume of the droplets at 100 to 200 µm.

Sprayer

Discharge coefficient

Spray characteristics

Distribution uniformity

Soil gradation

10.20546/ijcmas.2018.701.171

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Citations (2)

Development and Evaluation of Solenoid-Actuated Check Valve for Electro-Mechanical Inclined Plate Metering System Under Laboratory Conditions

Madras Agricultural Journal (2021)

Jany Giles A A. Surendrakumar

The seeds in the conventional seed metering mechanism are metered and transferred through seed tube to the furrow created by the furrow opener. In this type of delivery, non-uniformity occurs due to the uncontrolled seed falling through seed tube from the metering device to the furrow. In conventional precision planters, the seed rate is controlled, whereas placement of seeds in furrow cannot be controlled. To achieve control over seed placement in the furrow, the solenoid-actuated check valves have been developed and fixed to the electro mechanical inclined metering system. The check valve system was tested with an opto electronic measurement system in laboratory conditions. For CO 6 variety of maize seeds, the quality feed index, missing index, multiple index and precision indexes found out as 86.2 – 89.6 %, 8 – 11.8 %, 1.9 – 2.9 % and 14.6 to 16.5 %, respectively. Using solenoidactuated check valve, the precision index of the developed electro mechanic metering system (14.6 – 16.5 %) increased.

Metering mode

Solenoid valve

Solenoid

10.29321/maj.10.000475

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