Optimization of the Camellia oleifera Fruit Harvester Engine Compartment Heat Dissipation Based on Temperature Experiments and Airflow Field Simulation

Wenfu Tong, Kai Liao (), Lijun Li, Zicheng Gao, Fei Chen and Hong Luo
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Wenfu Tong: Engineering Research Center for Forestry Equipment of Hunan Province, Central South University of Forestry and Technology, Changsha 410004, China
Kai Liao: Engineering Research Center for Forestry Equipment of Hunan Province, Central South University of Forestry and Technology, Changsha 410004, China
Lijun Li: Engineering Research Center for Forestry Equipment of Hunan Province, Central South University of Forestry and Technology, Changsha 410004, China
Zicheng Gao: Engineering Research Center for Forestry Equipment of Hunan Province, Central South University of Forestry and Technology, Changsha 410004, China
Fei Chen: Engineering Research Center for Forestry Equipment of Hunan Province, Central South University of Forestry and Technology, Changsha 410004, China
Hong Luo: Engineering Research Center for Forestry Equipment of Hunan Province, Central South University of Forestry and Technology, Changsha 410004, China

Agriculture, 2024, vol. 14, issue 9, 1-19

Abstract: The Camellia oleifera fruit harvester, a specialized agricultural device, is engineered for efficient operation within the densely planted C. oleifera groves of China’s undulating terrains. Its design features a notably small footprint to navigate the constrained spaces between trees. With the enhancement of the functionality and power of the harvester, the engine compartment becomes even more congested. This, while beneficial for performance, complicates heat dissipation and reduces harvesting efficiency. In this study, experiments were initially conducted to collect temperature data from the main heat-generating components and parts susceptible to high temperatures within the harvester’s engine compartment. Subsequently, a 3D model was developed for numerical simulations, leading to the proposal of optimization schemes for the engine compartment’s structure and the validation of these schemes’ feasibility. A comparison of the experimental data, both before and after optimization, revealed a significant reduction in the surface temperatures of components within the engine compartment following optimization. As a result, the heat dissipation of the engine compartment has been greatly optimized. The harvester has demonstrated prolonged normal operation, enhancing the reliability and economy of the harvester.

Keywords: Camellia oleifera fruit harvester; engine compartment; heat dissipation; experimentation and simulation; structural optimization (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2024
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