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  • Open Access

    PROCEEDINGS

    Tunable Energy Absorption of Thermoplastic Polyurethane P-type TPMS Lattice Structure via Trimming

    Haoming Mo1,*, Junhao Ding1, Xu Song1

    The International Conference on Computational & Experimental Engineering and Sciences, Vol.29, No.2, pp. 1-1, 2024, DOI:10.32604/icces.2024.011375

    Abstract Triply periodic minimal surface (TPMS) shell-lattices are attracting increasing attention because of their exceptional mechanical and geometric characteristics. Additive manufactured TPMS structures using thermoplastic polyurethane (TPU) have great application potential in energy absorptions, for which the mechanical properties can be conveniently adjusted to meet diverse requirements. Nevertheless, there is a need for further improvement in the stability and adjustability of energy absorption capacity. This is due to the significant impact of the buckling effect and induced stress fluctuations when the structure is subjected to compression. To alleviate the buckling effect and tune the capability of… More >

  • Open Access

    PROCEEDINGS

    Adaptability Study on the Equations of State for Calculating the Thermophysical Parameters of Hydrogen-Enriched Natural Gas

    Huijie Huang1, Jingfa Li2,*, Xu Sun1,*, Bo Yu2

    The International Conference on Computational & Experimental Engineering and Sciences, Vol.29, No.1, pp. 1-1, 2024, DOI:10.32604/icces.2024.011026

    Abstract The blending of hydrogen into natural gas provides an optimal solution for large-scale hydrogen transport, utilizing existing natural gas pipelines for mixed conveyance. The thermophysical parameters of hydrogen-enriched natural gas (HENG) significantly influence the design and operation of gas transmission networks. Therefore, accurate prediction of the thermophysical parameters of HENG is crucial. However, due to the effects of hydrogen blending, the adaptability of commonly used equations of state (EoSs) to HENG remains uncertain, especially at high hydrogen blending ratios (HBRs). In this study, the accuracy of the EoSs of PR, BWRS, AGA8-92DC, and GERG-2008 is… More >

  • Open Access

    ARTICLE

    Computational Investigation of Brownian Motion and Thermophoresis Effect on Blood-Based Casson Nanofluid on a Non-linearly Stretching Sheet with Ohmic and Viscous Dissipation Effects

    Haris Alam Zuberi1, Madan Lal1, Shivangi Verma1, Nurul Amira Zainal2,3,*

    CMES-Computer Modeling in Engineering & Sciences, Vol.141, No.2, pp. 1137-1163, 2024, DOI:10.32604/cmes.2024.055493 - 27 September 2024

    Abstract Motivated by the widespread applications of nanofluids, a nanofluid model is proposed which focuses on uniform magnetohydrodynamic (MHD) boundary layer flow over a non-linear stretching sheet, incorporating the Casson model for blood-based nanofluid while accounting for viscous and Ohmic dissipation effects under the cases of Constant Surface Temperature (CST) and Prescribed Surface Temperature (PST). The study employs a two-phase model for the nanofluid, coupled with thermophoresis and Brownian motion, to analyze the effects of key fluid parameters such as thermophoresis, Brownian motion, slip velocity, Schmidt number, Eckert number, magnetic parameter, and non-linear stretching parameter on… More > Graphic Abstract

    Computational Investigation of Brownian Motion and Thermophoresis Effect on Blood-Based Casson Nanofluid on a Non-linearly Stretching Sheet with Ohmic and Viscous Dissipation Effects

  • Open Access

    ARTICLE

    Production and Characterization of a Composite Based on Plaster and Juncus Maritimus Plant Fibers

    Mina Amazal1,*, Soumia Mounir1,2, Asma Souidi1, Malika Atigui1, Slimane Oubeddou1, Youssef Maaloufa1,2, Ahmed Aharoune1

    FDMP-Fluid Dynamics & Materials Processing, Vol.20, No.9, pp. 2059-2076, 2024, DOI:10.32604/fdmp.2024.050613 - 23 August 2024

    Abstract Nowadays, materials with a limited impact on the environment are required in the construction sector. Considering the interesting properties of natural elements such as natural fibers, it seems advantageous to use them to reinforce materials while protecting the environment and guaranteeing economic gain. Along these lines, this research was devoted to studying the effect of untreated natural fibers extracted from the Juncus maritimus plant (from Southern Morocco) on plaster. First, the effect of the percentage of added fibers on the fluidity of the plaster was evaluated by means of the Marsh’s cone method, that is,… More >

  • Open Access

    REVIEW

    Immunomodulatory and chemopreventive effects of resveratrol on the digestive system cancers

    MEIR DJALDETTI*

    Oncology Research, Vol.32, No.9, pp. 1389-1399, 2024, DOI:10.32604/or.2024.049745 - 23 August 2024

    Abstract Resveratrol (RSV), the primary polyphenol found in grapes, has been revealed to have anti-inflammatory properties by reducing the capacity of the peripheral blood mononuclear cells to produce pro-inflammatory cytokines, including IL-1β, IL-6, IL-1ra and TNFα. Considering the close association between chronic inflammation and cancer development, RSV’s immunomodulatory properties are one way by which the polyphenol may inhibit cancer initiation, proliferation, neovascularization, and migration. Resveratrol influences the generation of microtumor environment which is one of the key factors in cancer progress. In addition to immunomodulation, RSV inhibits cancer development by expressing anti-oxidant effects, causing cell cycle… More > Graphic Abstract

    Immunomodulatory and chemopreventive effects of resveratrol on the digestive system cancers

  • Open Access

    REVIEW

    Overview of Jute Fibre as Thermoplastic Matrix Polymer Reinforcement

    Tezara Cionita1,*, Mohammad Hazim Mohamad Hamdan2, Januar Parlaungan Siregar3,4,*, Deni Fajar Fitriyana5, Ramli Junid6, Wong Ling Shing7, Jamiluddin Jaafar8, Agustinus Purna Irawan9, Teuku Rihayat10, Rifky Ismail11, Athanasius Priharyoto Bayuseno11, Emilianus Jehadus12

    Journal of Renewable Materials, Vol.12, No.3, pp. 457-483, 2024, DOI:10.32604/jrm.2024.045814 - 11 April 2024

    Abstract Recent decades have seen a substantial increase in interest in research on natural fibres that is aligned with sustainable development goals (SDGs). Due to their renewable resources and biodegradability, natural fiber-reinforced composites have been investigated as a sustainable alternative to synthetic materials to reduce the usage of hazardous waste and environmental pollution. Among the natural fibre, jute fibre obtained from a bast plant has an increasing trend in the application, especially as a reinforcement material. Numerous research works have been performed on jute fibre with regard to reinforced thermoset and thermoplastic composites. Nevertheless, current demands More >

  • Open Access

    ARTICLE

    Application of Polygonum minus Extract in Enhancing Drought Tolerance in Maize by Regulating Osmotic and Antioxidant System

    Mingzhao Han1, Susilawati Kasim1,*, Zhongming Yang2, Xi Deng2, Md Kamal Uddin1, Noor Baity Saidi3, Effyanti Mohd Shuib1

    Phyton-International Journal of Experimental Botany, Vol.93, No.2, pp. 213-226, 2024, DOI:10.32604/phyton.2024.047150 - 27 February 2024

    Abstract Drought stress is a major factor affecting plant growth and crop yield production. Plant extracts as natural biostimulants hold great potential to strengthen plants to overcome drought impacts. To explore the effect of Polygonum minus extract (PME) in enhancing drought tolerance in plants, a study was set up in a glasshouse environment using 10 different treatment combinations. PME foliar application were designed in CRD and effects were closely observed related to the growth, physiology, and antioxidant system changes in maize (Zea mays L.) under well-watered and drought conditions. The seaweed extract (SWE) was used as a comparison.… More >

  • Open Access

    ARTICLE

    Heterophilic Graph Neural Network Based on Spatial and Frequency Domain Adaptive Embedding Mechanism

    Lanze Zhang, Yijun Gu*, Jingjie Peng

    CMES-Computer Modeling in Engineering & Sciences, Vol.139, No.2, pp. 1701-1731, 2024, DOI:10.32604/cmes.2023.045129 - 29 January 2024

    Abstract Graph Neural Networks (GNNs) play a significant role in tasks related to homophilic graphs. Traditional GNNs, based on the assumption of homophily, employ low-pass filters for neighboring nodes to achieve information aggregation and embedding. However, in heterophilic graphs, nodes from different categories often establish connections, while nodes of the same category are located further apart in the graph topology. This characteristic poses challenges to traditional GNNs, leading to issues of “distant node modeling deficiency” and “failure of the homophily assumption”. In response, this paper introduces the Spatial-Frequency domain Adaptive Heterophilic Graph Neural Networks (SFA-HGNN), which… More >

  • Open Access

    ARTICLE

    Influence of Brownian Motion, Thermophoresis and Magnetic Effects on a Fluid Containing Nanoparticles Flowing over a Stretchable Cylinder

    Aaqib Majeed1,*, Ahmad Zeeshan2

    FDMP-Fluid Dynamics & Materials Processing, Vol.20, No.3, pp. 525-536, 2024, DOI:10.32604/fdmp.2023.028716 - 12 January 2024

    Abstract The influence of Brownian motion and thermophoresis on a fluid containing nanoparticles flowing over a stretchable cylinder is examined. The classical Navier-Stokes equations are considered in a porous frame. In addition, the Lorentz force is taken into account. The controlling coupled nonlinear partial differential equations are transformed into a system of first order ordinary differential equations by means of a similarity transformation. The resulting system of equations is solved by employing a shooting approach properly implemented in MATLAB. The evolution of the boundary layer and the growing velocity is shown graphically together with the related More >

  • Open Access

    ARTICLE

    Acrylic Finished Leather Upgraded with Thermoplastic Polyurethane Filament using 3D Printing – A New Generation Hybrid Leather of Synthetic and Natural Polymer

    SIVARAJ SUDHAHARa,f, UMAMAHESWARI Gb, JAYA PRAKASH ALLAc, RAGHAVA RAO JONNALAGADDAd, SUGUNA LAKSHMIe, SANJEEV GUPTAf,*

    Journal of Polymer Materials, Vol.40, No.1-2, pp. 33-45, 2023, DOI:10.32381/JPM.2023.40.1-2.3

    Abstract Leather manufacturing process involves a lot of waste disposal which pollutes environment, some of the processes are inevitable. In the present investigation, 3D printing technology was used to reduce the wastage and to cover defective regions in leather. The present study focuses on synthesis of acrylic binder using emulsion polymerization technique. These binders were analysed for solid content for better optimisation of the amount of binder to be utilised for finishing operation. The experimental binder was prepared with 26% solids. Particle size and thermogravimetric analyses were carried out to understand the size and shape of… More >

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