Article
Engineering, Chemical
Roberto Irizarry, Akshaya Nataraj, Jochen Schoell
Summary: This work presents a refined model architecture for calculating particle size distribution (PSD) from chord length distribution (CLD) measurements, enabling the prediction of additional PSD modalities. Additionally, an inference system is proposed to detect morphology or modality transitions in crystallization processes using CLD input signals.
CHEMICAL ENGINEERING SCIENCE
(2021)
Article
Polymer Science
Hanfei Xie, Xiangrong Zhang, Tao Jiang, Yingzhong Zhu, Lin Zhou
Summary: In this paper, the apparent viscosity of a DNP/HMX melt-cast explosive suspension is measured and reduced by using bimodal and trimodal particle-size distributions. The optimal diameter ratio and mass ratio between coarse and fine particles are obtained from the bimodal distribution, and then trimodal distributions are used to further minimize the viscosity. The plot of relative viscosity versus reduced solid content collapses to a single curve, indicating a one-to-one relationship between them.
Article
Polymer Science
Mohammed N. Alghamdi
Summary: Fly ash polymer composites with small particles can enhance mechanical properties, while large particles may cause filler/matrix delamination during recycling. The study provides insights on effective utilization of fly ash for sustainable and economical solutions.
Article
Thermodynamics
Chase E. Christen, Jesus Gomez-Hernandez, Todd P. Otanicar
Summary: This study examines the thermal conductivity of non-unimodal size distributions of ceramic solid particles at room and elevated temperatures. It proposes the use of a binary particle system with a bimodal size distribution to significantly increase packed bed thermal conductivity. The study finds that under certain conditions, there can be an increase of 17-47% in thermal conductivity.
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2022)
Article
Oceanography
Rick A. Reynolds, Dariusz Stramski
Summary: The study examines variability in particle size distribution (PSD) using a dataset from the Pacific, Atlantic, and Arctic Oceans, finding significant changes in the contributions of different size classes between oceanic environments. Specific percentile diameters derived from cumulative distributions are strongly correlated with the contributions of different size classes and provide better estimation of their contributions.
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
(2021)
Article
Engineering, Chemical
Ian Campbell, Alexandra Marnot, Mitchell Ketcham, Carly Travis, Blair Brettmann
Summary: This study focuses on the application of suspensions with high particle contents in additive manufacturing. The interplay between formulation and processing is examined, with formulation effects being particularly important at optimal printing parameters.
Article
Environmental Sciences
Zuomin Wang, Shuibo Hu, Qingquan Li, Huizeng Liu, Guofeng Wu
Summary: Particle size distribution (PSD) is an important characteristic of marine suspended particles that affects the transfer of light in the ocean. This study investigated the variabilities of PSD and its correlations with inherent optical properties (IOPs) in coastal waters. The results showed a wide range of PSDs and identified the driving factors of the variations in backscattering coefficient, scattering coefficient, and attenuation coefficient. The study also suggested a potential method for remote sensing-based retrieval of PSD.
Article
Mathematics, Applied
Toby L. Kirk, Jack Evans, Colin P. Please, S. Jonathan Chapman
Summary: In this study, mathematical models were used to simulate the heterogeneous porous electrodes in lithium-ion batteries by considering the particle size distribution. The results showed that the single-particle model (SPM) could approximate the cell dynamics for a unimodal distribution, while a double-particle model (DPM) was needed for a bimodal distribution. Additionally, the study demonstrated an efficient method for computing the internal states of the electrode particles after simulation.
SIAM JOURNAL ON APPLIED MATHEMATICS
(2022)
Article
Physics, Multidisciplinary
Kadir Gunoglu, Ilyas Kartal, Iskender Akkurt
Summary: All living things are exposed to radiation in daily life, and shielding is an effective method to protect against its harmful effects. Researchers are seeking alternative materials to replace lead for gamma radiation shielding due to its harmful properties. This study focuses on the gamma radiation-shielding properties of vinyl ester resin composite samples with boron nitride (BN) at different ratios. Experimental and theoretical techniques were used to determine the linear attenuation coefficient (LAC) of the composites. The results showed that increasing the BN ratio improved the shielding parameters in the produced VEBN composite samples.
EUROPEAN PHYSICAL JOURNAL PLUS
(2023)
Article
Nuclear Science & Technology
Mansour Asgari, Hossein Afarideh, Hassan Ghafoorifard, Eskandar Asadi Amirabadi
Summary: The study revealed a direct relationship between the linear attenuation coefficients of the absorbent and filler ratio in polymer composites used for radiation shielding, with decreasing particle size of the shielding material improving radiation shielding features.
NUCLEAR ENGINEERING AND TECHNOLOGY
(2021)
Article
Materials Science, Ceramics
Shengwu Huang, Yanhui Li, Ping Yang, Pengfei Sheng, Jun Ou, Turui Ning, Shanghua Wu
Summary: Digital light processing is an important manufacturing technology for ceramic parts, and the particle size distribution of ceramic suspensions affects their cure behavior and mechanical properties. This study investigated the cure behavior and mechanical properties of Si3N4 ceramics with a bimodal particle size distribution. The results showed that suspensions with coarse particles had a higher cure depth but poorer mechanical properties. The bending strength of samples with an optimal ratio of coarse to fine particles (3:7) reached a maximum of 728.7 +/- 10.33 MPa, which was 16.5% higher than that of samples made only with fine particles.
CERAMICS INTERNATIONAL
(2023)
Article
Materials Science, Multidisciplinary
Jeongkyun Kim, Amir Kordijazi, Pradeep Rohatgi
Summary: In this article, the coefficient of thermal expansions (CTE) of pure aluminum alloy containing hollow cenosphere particles was analyzed considering particle wall thickness and porosity. The study found that the CTE of solid cenosphere particles was closer to SiC and Al2O3 compared to the CTE of hollow cenosphere particles. The effective CTE of porosity was higher than that of pure aluminum and ceramic particles. Therefore, controlling pore content is important for reducing the CTE of composites.
Article
Materials Science, Multidisciplinary
Geeta Kumari, M. Sundararaman, Carl J. Boehlert, Jonathan D. Poplawsky, Kinga A. Unocic, S. Sankaran
Summary: The influence of aging treatments on the evolution of gamma' precipitates in ATI 718Plus was investigated using various microscopy techniques. Different aging temperatures and cooling methods were found to affect the distribution of precipitates and solute elements.
JOURNAL OF MATERIALS SCIENCE
(2023)
Article
Green & Sustainable Science & Technology
Jun Mu, Shenwei Yu, Shimeng Hao
Summary: A quantitative assessment model is established for the thermal conductivity of earth materials, based on their microscopic agglomeration morphology and pore structure properties. The model improves the precision of characterizing the thermal conductivity and investigates the impact of clay, sand, and gravel content on the thermal conductivity of earth materials. The findings offer a theoretical foundation for optimizing the thermal performance and fabrication process of earth materials.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2023)
Article
Mechanics
Jinhan Chen, Yin Yao, Bo Zhang
Summary: This study proposes a new micromechanical model to theoretically characterize interface debonding in PRNVPCs, and reveals the trend of increasing particle debonding stress with decreasing particle size. Moreover, the increase of applied strain rate leads to an increase in particle debonding stress but a decrease in critical debonding time.
