Design, Development and Static Evaluation of Soil Moisture Capacitance Sensor Mountable on Multiple-tip Horizontal Penetrometer

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MORTAZAVI SEYED MATIN; HEMMAT ABBAS; MIREEI SEYED AHMAD; NADERI BOLDAJI MOJTABA

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Paper Information

Journal: Iranian Journal of Biosystems Engineering Year:2018 | Volume:49 | Issue:3 Page(s): 447-458

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Title

Design, Development and Static Evaluation of Soil Moisture Capacitance Sensor Mountable on Multiple-tip Horizontal Penetrometer

Author(s)

MORTAZAVI SEYED MATIN | HEMMAT ABBAS | MIREEI SEYED AHMAD | NADERI BOLDAJI MOJTABA | Issue Writer Certificate

Keywords

Soil Dielectric ConstantQ1

Capacitance SensorQ1

Volumetric MoistureQ2

Finite ElementQ1

Abstract

In this study, a two-ring capacitive sensor mountable on multiple-tip horizontal penetrometers has been developed. The size and shape of the electric field around the sensor was estimated to ensure that the sensor fields are not interfered with the adjacent probes of the multiple-tip penetrometer using Finite Element. The sensor function was then evaluated at different levels of Volumetric Moisture. The maximum radius of the soil located in the sensor’ s electric field is 30 mm in the wetted soil. So the usage of the sensor in combination with the penetrometers at distance of 10 cm from each other would not cause the interference of the electric fields of the sensors. Increasing Volumetric Moisture reduces the output voltage of sensor (R2=0. 91). The developed capacitive sensor is a suitable devise for measuring soil moisture in the range of 0-PL which can be used to measure simultaneously resistance and soil moisture in several depths independently in combination with multiple-tip horizontal penetrometers.

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APA: Copy

MORTAZAVI, SEYED MATIN, HEMMAT, ABBAS, MIREEI, SEYED AHMAD, & NADERI BOLDAJI, MOJTABA. (2018). Design, Development and Static Evaluation of Soil Moisture Capacitance Sensor Mountable on Multiple-tip Horizontal Penetrometer. IRANIAN JOURNAL OF BIOSYSTEMS ENGINEERING (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 49(3 ), 447-458. SID. https://sid.ir/paper/144450/en

Vancouver: Copy

MORTAZAVI SEYED MATIN, HEMMAT ABBAS, MIREEI SEYED AHMAD, NADERI BOLDAJI MOJTABA. Design, Development and Static Evaluation of Soil Moisture Capacitance Sensor Mountable on Multiple-tip Horizontal Penetrometer. IRANIAN JOURNAL OF BIOSYSTEMS ENGINEERING (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2018;49(3 ):447-458. Available from: https://sid.ir/paper/144450/en

IEEE: Copy

SEYED MATIN MORTAZAVI, ABBAS HEMMAT, SEYED AHMAD MIREEI, and MOJTABA NADERI BOLDAJI, “Design, Development and Static Evaluation of Soil Moisture Capacitance Sensor Mountable on Multiple-tip Horizontal Penetrometer,” IRANIAN JOURNAL OF BIOSYSTEMS ENGINEERING (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 49, no. 3 , pp. 447–458, 2018, [Online]. Available: https://sid.ir/paper/144450/en

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