Non-pneumatic tire with curved isolated spokes for agricultural machinery in agricultural fields: Empirical and numerical study

Phromjan, Juthanee; Suvanjumrat, Chakrit

doi:10.1016/j.heliyon.2023.e18984

Cited by 9 publications

(3 citation statements)

References 62 publications

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“…16 The air volume at the contact patch area with different inflation pressure and vertical loads air volume function correlated with the increasing vertical load. To model this relationship, the Cowper-Symonds model, as previously proposed in works [16][17][18][19][20], was employed. Consequently, the air volume function is formulated with two variables, namely inflation pressure and vertical load, represented by Eq.…”

Section: Air Volume Analysismentioning

confidence: 99%

Pavement-Tire Contact Patch Effects on Air Volume Using Finite Element Method

Saisaengtham

2024

GEOMATE

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The investigation into the noise generated by automotive tires delves into various mechanisms, such as tire vibration, adhesion, and the notably significant air-pumping mechanism. This particular mechanism stems from the rapid compression and expulsion of air within the tire-pavement contact patch, a result of the deformation of the tire tread. The study employs the finite element method to scrutinize tire deformation and quantify the air volume at the contact patch, forming the primary objective of the research. To benchmark the composite pneumatic tire model, vertical stiffness and footprint tests are conducted on the pneumatic tire. The validation of the automotive tire model reveals an average error of 6.47% for vertical displacement and 15.89% for footprint area. Additionally, variations in vertical load and inflation pressure are examined to observe their impact on air volume. The study proposes a mathematical model illustrating the relationship between air volume, vertical load, and inflation pressure. This mathematical model is deemed valuable and holds potential applications for reducing airpumping noise in future endeavors.

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Section: Air Volume Analysismentioning

confidence: 99%

Pavement-Tire Contact Patch Effects on Air Volume Using Finite Element Method

Saisaengtham

2024

GEOMATE

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“…These tests and parameters contribute to a comprehensive understanding of the soil's mechanical behavior and aid in establishing critical values for modeling purposes and geotechnical engineering analyses. 13 q  =−…”

Section: Triaxial Testmentioning

confidence: 99%

“…Current knowledge primarily addresses the impact of uniform ground pressure, leaving the intricacies of different machinery shapes in question [9][10][11][12]. Promjan and Suvanjumrat [13] proposed an integrated method using FEM and an empirical model to analyze non-pneumatic tire-soil compaction. Raguiara et al [14] modeled soil compaction in a sugarcane crop through FEM.…”

Section: Introductionmentioning

confidence: 99%

Mitigating Soil Compaction in Sugarcane Fields: Experimental and Simulation Study of Plunger Configurations

Phromjan

2023

GEOMATE

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The detrimental impact of soil compaction resulting from agricultural machinery remains a significant concern in contemporary agriculture, influencing crop growth and production costs. This research employs a combination of experimental and simulation methods to investigate various configurations of plungers, representing features of agricultural equipment. Conducted in a laboratory setting, the study focuses on sandy clay loam soil, pertinent to sugarcane fields in Thailand. The soil-structure interaction model for plungers is developed using the finite element method, incorporating a modified Cam-clay plasticity model based on the critical state concept, and porous elasticity for soil simulation. Different plunger shapes, each producing distinct effects, are meticulously detailed. The outcomes of this research serve as a practical guide for the future design and development of agricultural equipment, offering insights to mitigate soil compaction issues and enhance productivity. The straightforward environmental arrangement employed enhances the applicability of the findings to real-world agricultural settings.

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Optimizing laser 3D printing parameters for customized rubber latex health shoe insoles

Chansoda,

Chookaew,

Suvanjumrat

2024

Prog Addit Manuf

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This research explores the use of additive manufacturing, specifically laser 3D printing, to create customized health shoe insoles from natural rubber latex, following ISO/ASTM 52900:2021 standards. By blending natural rubber latex with additives and dispensing the mixture through a syringe nozzle, the process allows for precise extrusion control, while a laser beam cures the latex in real time. Key process parameters—including laser power, beam angle, source distance, nozzle diameter, extrusion rate, and printing speed—were systematically optimized to ensure high precision and efficiency. Additionally, aesthetic properties, such as color and raster angle, were considered to enhance the product’s visual appeal. Mechanical testing, compliant with ISO 37:2024, validated the durability and performance of the printed rubber specimens. Optimal settings of 10 W for laser power, a 45-degree beam angle, 50 mm source distance, 0.85 mm nozzle diameter, 60 mm/s printing speed, and 0.03 mm3/s extrusion rate were determined, while adding 1% v/v blue pigment further improved the material’s ultimate strength. The curing process, maintained between 80 °C and 90 °C to avoid degradation, enabled the production of a US size 7.5 insole in under 24 h. This innovative approach significantly reduces production time and cost, offering a scalable and efficient solution for the manufacturing of customized rubber products through additive manufacturing.

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Non-pneumatic tire with curved isolated spokes for agricultural machinery in agricultural fields: Empirical and numerical study

Cited by 9 publications

References 62 publications

Pavement-Tire Contact Patch Effects on Air Volume Using Finite Element Method

Pavement-Tire Contact Patch Effects on Air Volume Using Finite Element Method

Mitigating Soil Compaction in Sugarcane Fields: Experimental and Simulation Study of Plunger Configurations

Optimizing laser 3D printing parameters for customized rubber latex health shoe insoles

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