Showing 841 - 860 results of 2,351 for search 'Diffusivity efficiency', query time: 0.12s Refine Results
  1. 841

    CFD algorithm for moving boundary problems of isothermal drying and shrinkage: Case of prunes by Lentzou Diamanto, Templalexis Charalampos, Boudouvis Andreas G., Karathanos Vaios, Xanthopoulos Georgios

    Published 2025-01-01
    “…A moving-boundary FEM model describing isothermal drying of fruit was employed as an inverse problem to estimate water diffusivity and peel resistance, including shrinkage. …”
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  2. 842

    Doping of Active Region in Long Wavelength InP-Based Transistor Lasers by Lijun Qiao, Song Liang, Hongliang Zhu, Wei Wang

    Published 2016-01-01
    “…With doping in the MQWs, the carrier diffusivity is decreased, making the defects less effective in consuming the carriers. …”
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  3. 843

    Impact of combined sun and hybrid drying technologies on cocoa drying process and quality by Johanna Pita-Garcia, José Reinoso-Tigre, Sócrates Palacios-Ponce, Emerita Delgado-Plaza, Diana Coello-Montoya, Rómulo Salazar, Jonathan Coronel-León, Juan Peralta, Fabiola Cornejo

    Published 2025-02-01
    “…Starting with HD increases the drying rate by 20 %, resulting in higher moisture diffusivity coefficients (over 4.12 × 10−7 m2/s). Combining HD with SD reduces energy consumption by 56.6 %, improving energy efficiency. …”
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  4. 844

    Influence of temperature and mango pulp thickness on the performance of batch window refractance dryer by Samrawit Kasse Gebeyehu, Aynadis Molla Asemu, Abiy Solomon Haile, Messenbet Geremew Kassa

    Published 2025-06-01
    “…The study examined the dryer’s overall energy efficiency, as well as the drying kinetics and behavior of mango pulp, using thin-layer drying models and Fick’s law of diffusion. …”
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  5. 845

    Improving diesel engine performance with hydrogen-fumigated soapnut biodiesel by Christopher Selvam D, Yuvarajan Devarajan, Aditya Kishore Dash, Shivendu Saxena, Beemkumar Nagappan, Vinod Kumar Singh, Prabhukumar Sellamuthu

    Published 2025-09-01
    “…Notwithstanding its ecological advantages, SFB is accompanied by increased emissions of nitrogen oxides (NOx) and a reduction in engine efficiency. This investigation examines the ramifications of hydrogen fumigation on the combustion efficiency and emission characteristics of a single-cylinder compression ignition (CI) engine operating on SFB. …”
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  6. 846

    Microwave-assisted sodium alginate extraction from Dictyota menstrualis and the fabrication of green thermal insulators by Abdul Khalil H. P. S., Abdussalam Giuma, Esam Bashir Yahya, Indra Surya, Arif Nuryawan, Tata Alfatah, Mardiana Idayu Ahmad

    Published 2024-08-01
    “…Additionally, the thermal conductivity and diffusivity measurements of 0.065 W/(m·K) and 0.294 mm2/s, respectively, affirm the excellent thermal insulation stability of these scaffolds. …”
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  7. 847

    Natural surfactant fenugreek (Trigonella foenum-graecum) seeds based photogalvanic cell for solar energy conversion and storage by Meenakshi Jonwal, Pooran Koli, Rajendra Kumar

    Published 2025-05-01
    “…A more environmentally sustainable and an efficient Photogalvanic system based on Fenugreek seeds aqueous extract as natural surfactant (saponins), Cellobiose as reductant and Neutral Red dye as photosensitizer is developed to demonstrate a potent cell. …”
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  8. 848

    Optimization of ultrasound assisted extraction of sappan (Caesalpinia sappan L) wood for preparation of high quality extract by Moh Djaeni, Setia Budi Sasongko, Devi Yuni Susanti, F Widhi Mahatmanti, Andri Cahyo Kumoro, Laeli Kurniasari

    Published 2025-07-01
    “…UAE was shown to enhance extraction efficiency and preserve phenolic compounds. Additionally, the extraction process was modeled, resulting in a validated effective diffusivity (De) of 1.8 × 10?? …”
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  9. 849

    Exploring the Dual Nature of Olive Husk: Fiber/Aggregate in Lightweight Bio-Concrete for Enhanced Hygrothermal, Mechanical, and Microstructural Properties by Halima Belhadad, Nadir Bellel, Ana Bras

    Published 2025-06-01
    “…Thermal performance metrics included conductivity, specific heat capacity, diffusivity, effusivity, time lag, and predicted energy savings. …”
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  10. 850

    Thermal properties and non-bonded interactions in human PMP2 variants: A molecular dynamics study by Prabin Aryal, Jhulan Powrel

    Published 2025-01-01
    “…Also, the estimated value of thermal diffusivity indicated that the mutant was slightly more efficient at conducting heat than the wild-type protein; the thermal diffusivity of both proteins was much lower than that of water. …”
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  11. 851

    Investigating the Iron Plating and Stripping of Anolytes for All-Iron Redox-Flow Batteries by Marius Engler, Michael Stich, Christoph Baumer, Andreas Bund

    Published 2024-12-01
    “…The coulombic (plating) efficiency was found to be 87.1% at −1.2 V vs. Ag/AgCl (sat’d) at pH 3.5, while the coulombic efficiency in oxidation sweep (stripping) was observed to be 100% in an electrolyte containing 0.8 M FeCl<sub>2</sub> and 3 M NH<sub>4</sub>Cl. …”
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  12. 852

    Effect of Carbon Nanotube Diameter on Phase Change Thermal Energy Storage Properties of Paraffin Wax by Zhu Meng, Chen Hua, Hou Yujie

    Published 2024-01-01
    “…To solve the problems of poor thermal conductivity and low thermal energy storage efficiency of paraffin wax, carbon-containing materials with high thermal conductivity are used to improve its thermal energy storage performance. …”
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  13. 853

    Effect of Coating on Cutting Performance of Milling Water Chamber Head by CHENG Yaonan, GAI Xiaoyu, Lv Qiyao, YUAN Qihang, QIN Chao

    Published 2019-12-01
    “…The head of nuclear water chamber head parts, which are difficult to machine, is made of the highstrength 508III special steel In view of the problems of poor cutting performance, short life and low machining efficiency in milling process, firstly, the cutting simulation of the coated cemented carbide tool was carried out to analyze the influence of the coating on the cutting performance of the tool from the aspects of cutting temperature and stress Then, the milling wear experiment of the 508III steel coating tool was carried out The influence of the coating on tool wear and tool life was investigated by the observation of tool wear and analysis of Rake Face morphology Finally, the coating performance comparison experiment was carried out to discuss the effects of different types of coatings, coating thickness and thermal diffusivity of different coatings on the cutting process of the cemented carbide tool of milling 508III steel The research results provide technical support for the development of cemented carbide tools of milling water chamber head and efficient processing of nuclear power parts…”
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  14. 854

    Entropy generation and magnetohydrodynamic influences on hybrid nanofluid convection in a staggered cavity by Yasir Ul Umair Bin Turabi, Shahzad Munir, R. Nawaz

    Published 2025-05-01
    “…Staggered cavity designs are widely used in engineering to enhance heat transfer and airflow, thereby improving the efficiency of systems such as radiators, heat exchangers, and electronic cooling. …”
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  15. 855

    Assessing sustainable latent heat energy storage of RT 35 phase change material in double pipe heat exchangers: A study on concentric and hairpin designs by Pallavi Kumari, Vinamr Saksena, Rishabh Jha, Debasree Ghosh

    Published 2025-06-01
    “…Additionally, the study underscores the significance of selecting the appropriate PCM, noting that PCMs with higher latent heat values has more energy storage capacity. However, the efficiency of energy storage also based on the variation in temperature between the high-temperature fluid (HTF) and the starting temperature of the PCM. …”
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  16. 856

    Exploring Raw Red Clay as a Supplementary Cementitious Material: Composition, Thermo-Mechanical Performance, Cost, and Environmental Impact by Mohammed Drissi, Othmane Horma, Ahmed Mezrhab, Mustapha Karkri

    Published 2024-12-01
    “…It was found that incorporating up to 5% by weight of raw clay slightly impacted compressive strength while significantly improving thermal conductivity and diffusivity, cost-efficiency, and environmental sustainability, making it an appealing option for structural applications requiring high mechanical resistance. …”
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  17. 857

    LEDs for the Implementation of Advanced Hydrogenation Using Hydrogen Charge-State Control by Chee Mun Chong, Stuart Wenham, Jingjia Ji, Ly Mai, Sisi Wang, Brett Hallam, Hua Li

    Published 2018-01-01
    “…Advanced hydrogenation approaches involving the control of the charge state for the hydrogen atoms in silicon to enhance their diffusivity and reactivity are developed and evaluated in this work for commercial application using a prototype industrial tool in conjunction with solar cells manufactured on commercial production lines. …”
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  18. 858

    Automated vacuum drying kinetics, thermodynamics, and economic analysis of sage leaves by Nabil Eldesokey Mansour, Khaled A. Metwally, Aml Abubakr Tantawy, Ahmed Elbeltagi, Ali Salem, Ahmed Z. Dewidar, Abdelaziz M. Okasha, Moustapha Eid Moustapha, Abdallah Elshawadfy Elwakeel

    Published 2025-05-01
    “…Results showed that increasing temperature and decreasing pressure significantly improved drying efficiency, reducing the process time to just 90 min while achieving a drying rate of 22.34 kg water/kg dry matter/h and an effective moisture diffusivity of 6.716 × 10⁻⁹ m²/s under optimal conditions (60 °C and − 10 kPa). …”
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  19. 859
  20. 860

    REM sleep is associated with white matter integrity in cognitively healthy, older adults. by Marie Altendahl, Devyn L Cotter, Adam M Staffaroni, Amy Wolf, Paige Mumford, Yann Cobigo, Kaitlin Casaletto, Fanny Elahi, Leslie Ruoff, Samirah Javed, Brianne M Bettcher, Emily Fox, Michelle You, Rowan Saloner, Thomas C Neylan, Joel H Kramer, Christine M Walsh

    Published 2020-01-01
    “…Multiple regressions predicted fractional anisotropy (FA) and mean diffusivity (MD) of the corpus callosum as a function of total PSQI score, TST, SE, and percent of time spent in each sleep stage, controlling for age and sex. …”
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