A non-liner constitutive model of three typical biomass material pelletization for capturing particle mechanical behaviors during the elasto-visco-plastic deformation stage

Li, Weizhen; Guo, Weiwei; Bu, Wenjing; Jiang, Yang; Wang, Yan; Yang, Wei; Yin, Xiuli

doi:10.1016/j.renene.2019.10.135

Cited by 7 publications

(2 citation statements)

References 33 publications

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“…It can therefore be presumed that the observed lack of significant differences is related to the uniqueness of the first phase of the compaction process. The low repeatability of this phase implies that it is often ignored in the modeling of the compaction process [26,50]. In this sense, the results obtained may have important implications for process modeling.…”

Section: Effect Of Load On Energy and Deformation Distribution-first ...mentioning

confidence: 99%

“…Both plastic and elastic deformation, which particles undergo at higher pressures, cause an increase in the contact area of the particles and the formation of interparticle bonds. Additionally, sufficiently high pressure activates natural binders such as starch, protein, and lignin in the pressed material [48][49][50][51], facilitating the process of densification. Thus, when analyzing the effect of pressure on pellet quality, it is essential to take into account the interactive or synergistic effects of pressure with other factors affecting the process, such as the type of biomass, moisture, or temperature.…”

Section: Introductionmentioning

confidence: 99%

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Toward New Value-Added Products Made from Anaerobic Digestate: Part 2—Effect of Loading Level on the Densification of Solid Digestate

2023

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A comprehensive understanding of the mechanisms associated with the pelletization of an anaerobic digestate is necessary to optimize the pellet production process and achieve better and more sustainable management of the digestate. This work evaluated the digestate behavior during cyclic loading and unloading in a closed matrix. The results presented here are a continuation of those observed in previous work that evaluated the effect of moisture content on the behavior of the digestate under cyclic loading/unloading conditions in a closed matrix. The effect of moisture content on the distribution of permanent and elastic strain energy demonstrated in the previous study was verified in the present work under different loading conditions. A Zwick universal machine was used for the experiments. The samples were loaded with amplitudes of 8, 11, 14, 17, and 20 kN for 10 cycles. Two distinct moisture levels of the digestate—10% and 22%—were analyzed. The results of the present study confirmed that the elastic energy dissipated was independent of the moisture content of the digestate and remained relatively constant for a wide range of the applied loads. Higher values of elastic strain energy were observed for the digestate with higher moisture content only when higher loads were applied. In the range of the studied loads, characteristic differences were noted in loading/unloading curves regardless of the load magnitude. The increase in the applied load led to an increase in pellet strength, but only when the moisture content of the digestate was 10%. The results of the pellet strength reflect well the results of irreversible energy and the conclusions about the area enclosed between loading and unloading curves.

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Section: Effect Of Load On Energy and Deformation Distribution-first ...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Toward New Value-Added Products Made from Anaerobic Digestate: Part 2—Effect of Loading Level on the Densification of Solid Digestate

2023

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From raw material powder to solid fuel pellet: A state-of-the-art review of biomass densification

He,

Wang,

Sun

et al. 2024

Biomass and Bioenergy

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The physical and mechanical properties for flexible biomass particles using computer vision

Zhou

Chen

et al. 2022

Fuel

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A non-liner constitutive model of three typical biomass material pelletization for capturing particle mechanical behaviors during the elasto-visco-plastic deformation stage

Cited by 7 publications

References 33 publications

Toward New Value-Added Products Made from Anaerobic Digestate: Part 2—Effect of Loading Level on the Densification of Solid Digestate

Toward New Value-Added Products Made from Anaerobic Digestate: Part 2—Effect of Loading Level on the Densification of Solid Digestate

From raw material powder to solid fuel pellet: A state-of-the-art review of biomass densification

The physical and mechanical properties for flexible biomass particles using computer vision

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