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14 articles for “Microwave drying”
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Studies on Different Qualitative Traits of Green Tea Grown in Nontraditional Area Processed by Oven Drying and Microwave Drying in Different Power Levels
Abstract: In this study, tea plants (Camellia sinensis L.) were grown in nontraditional region with different soil and climatic characteristics in the southern part of West Bengal. To study the effect of different drying methods for production of green tea is main focus of this paper. Green tea is produced by applying nominal heat treatment targeting to inactivate the polyphenol oxidase and peroxidase enzymes to retain the original polyphenol content. Therefore, …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 7, Issue 1, 2018 · pp. 9–15 Read article
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Experimental Study and Simulation on Microwave Drilling of Metals and Glasses
Abstract: Microwave heating is being developed to apply for a variety of engineering applications in the last few years due to some special advantages of using microwave. This paper presents a study on attempting microwave drilling of materials especially metals, as metal processing with microwave was a difficult task due to reflection of microwaves by metals at room temperature. A special fixture was developed to study the microwave drilling on metals …
Published in Journal of Experimental & Applied Mechanics · Vol. 5, Issue 1, 2014 · pp. 10–19 Read article
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Effect of Microwave Drying on Chemical Composition of Some Leafy Vegetables
Abstract: Three selected edible leafy vegetables (Vernonia amygdalina, Ocimum gratissimum and Telfeiria occidentalis) were microwaved to dryness, crushed to powder and analyzed for their proximate, mineral and vitamin C composition. It was investigated that their proximate composition varied between 10.0% to 13.0% (moisture), 10.0% to 20.0% (ash), 1.5% to 3.5% (crude fiber), 10.5% to 19.0% (crude fat), 0.3% to 1.6% (crude protein), 54.2% to 66.3% (carbohydrate) and 314.0 kcal to 389.0 …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 5, Issue 3, 2016 · pp. 18–21 Read article
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Microwave Processing of Foods: Applications and Future Perspectives
Abstract: This paper introduces microwave-assisted processing of foods, fundamental principles and future perspectives provides a comprehensive exploration of the evolving landscape of microwave technology in the food processing. Despite widespread use in households, the industrial application of microwave processing remains relatively untapped. The narrative delves into specific applications, such as blanching, baking, pre-cooking, thawing and tempering, pasteurization, sterilization, microwave-assisted frying, rapid extraction, drying and inactivation of microorganisms, emphasizing the rapid temperature …
Published in International Journal of Nutritions · Vol. 1, Issue 2, 2024 · pp. 27–32 Read article
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Microwave Signals: A New Frontier in Non-Invasive Medical Diagnostics: A Study
Abstract: Imagine a future where medical diagnoses are quicker, safer, and more accessible, and where therapies are more precise and less invasive. This future is rapidly approaching, driven in part by the quiet revolution of microwave signals in medicine. Far from their everyday use in ovens and communication, these non-ionizing electromagnetic waves are proving to be powerful tools, offering unprecedented insights into the human body and innovative ways to treat disease. …
Published in Journal of Microwave Engineering and Technologies · Vol. 12, Issue 3, 2025 · pp. 27–41 Read article
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Microwave-Assisted Synthesis of Li₃Ba₂Gd₃(MoO₄)₈ Phosphors Doped with Pr³⁺ and Sm³⁺ for High-Performance Red Emission in LED Applications
Abstract: In this study, we report the successful synthesis of Li₃Ba₂Gd₃(MoO₄)₈ (RE³⁺ = Pr³⁺, Sm³⁺) phosphors using a novel, microwave-assisted solid-state reaction method at ambient temperature. The synthesis involved the use of analytical grade reagents including Lithium Nitrate (LiNO₃), Barium Nitrate, Gadolinium Nitrate (Gd(NO₃)₃·6H₂O), Ammonium Molybdate ((NH₄)₆Mo₇O₂₄·24H₂O), and high-purity oxides of Praseodymium (Pr₂O₃) and Samarium (Sm₂O₃). The reagents were mixed in stoichiometric ratios, ground thoroughly in a pestle and mortar, and …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 18–32 Read article
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Solid State Technology Reinvents Microwave Heating
Abstract: Since magnetrons first came into widespread commercial use in microwave ovens in the early 1970s solid state technology has evolved relatively slowly to be used in industrial heating, consumer cooking, drying, automotive applications etc. Recently, RF energy utilizing solid state devices has appeared in the market as a viable replacement for magnetrons as the heating engine. This route offers many advantages like better energy direction control, longer life, enhanced reliability, …
Published in Journal of Microelectronics and Solid State Devices · Vol. 9, Issue 1, 2022 · pp. 6–15 Read article
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Pathloss and Coverage Analysis of FM Signals for Terrestrial Communication Design over Akure, Nigeria
Abstract: Accurate analysis of Free Space Loss (FSL) of electromagnetic radiations plays significant roles in the design and planning of terrestrial communication system at radio wave and microwave frequencies. Hence, it remains important to continuously evaluate the dependence of radio waves signal strength on the properties of the propagating medium. This work employed drive test technique and free space loss analysis of some Frequency-Modulated (FM) channels in Akure, Ondo State, Nigeria, …
Published in Journal of Microwave Engineering and Technologies · Vol. 10, Issue 2, 2023 · pp. 8–21 Read article
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Analysis of Properties of Copper-Alumina Composites Produced by Various Processing Routes: A Review
Abstract: The metal matrix composites (MMCs) are of keen interest in the recent years because of their pervasive application in automotive and aerospace industries .This paper summarizes the Cu/Al2O3 composites prepared by various fabrication routes and their results. The copper-alumina MMCs are gaining importance increasingly and act as good alternatives to be used for functional applications mainly microwave tubes, electrical equipment, high temperature conductors, automobile and aerospace industries. Cu/Al2O3 composites have …
Published in Journal of Materials & Metallurgical Engineering · Vol. 2, Issue 1-3, 2012 · pp. 30–42 Read article
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Design of a Stacked Aperture Coupled Microstrip Antenna for UWB Applications
Abstract: The paper presents a stacked T-shaped Aperture coupled microstrip antenna designed for ultra-wide band wireless applications. The proposed UWB antenna covers two frequency bands as of 2.49 to 2.9 GHz and 6.85 to 20 GHz and used for the various applications like Bluetooth, Zig-Bee (2.4 GHz), C band (6 to 8 GHz), X band (8 to 12 GHz), Ku band (12 to 18 GHz) and Satellite communication. The stacked antenna …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 4, Issue 1, 2017 · pp. 12–16 Read article
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Recent Trends in Rotary Kiln and Refractory Material Patterns in Cement Production: A Review Approach
Abstract: The manufacturing of cement and other industrial operations depend heavily on rotary kilns, which use refractory materials to endure high temperatures and challenging chemical conditions. With an emphasis on their effects on durability and operating efficiency, this study looks at the most recent developments in rotary kiln technology and refractory material choices. Various rotary kiln designs, typical refractory material patterns, and the difficulties posed by kiln failures are all covered. …
Published in Journal of Experimental & Applied Mechanics · Vol. 16, Issue 2, 2025 · pp. 27–34 Read article
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Intelligent Design Approaches in Microwave Engineering Using Machine Learning Techniques
Abstract: In microwave engineering, machine learning (ML) has become a potent technology allowing quicker design cycles, improved modelling accuracy, and automatic optimisation of complicated systems. Recent developments in the use of ML methods to microwave components and systems, including antennas, filters, and high-frequency circuits, are summarised in this study. In the framework of electromagnetic simulation, surrogate modelling, and parameter extraction, supervised and unsupervised learning algorithms are addressed. Moreover, the study looked …
Published in Journal of Microwave Engineering and Technologies · Vol. 12, Issue 2, 2025 · pp. 31–38 Read article
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Review on Optimization of Wireless Optical Communication System
Abstract: AbstractWireless optical communication [WOC] is a recently emerging field, which gives solution for the drawbacks of radio and microwave communication issues. Optical fiber communication has already developed and accepted by its high performance such as high data capacity, speed etc. But WOC experiences atmospheric turbulence problems and distant dependent path loss. And scintillation and aerosol particles (rain, haze, fog and drizzle) bring this major challenge for the WOC system by …
Published in Trends in Opto-electro & Optical Communication · Vol. 4, Issue 2, 2014 · pp. 9–19 Read article
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Tropospheric Variation of Point Refractivity Gradient and Geo-climatic Factor over a Coastal Location in Tropical Nigeria
Abstract: Accurate assessment of refractivity gradient and Geo-climatic factor is crucial for maintaining reliable radio signal propagation in clear-air environments. These parameters are essential for determining the fade margin necessary to ensure a stable and effective wireless radio link, given the unstable nature of the atmosphere through which the signals travel. It is crucial to have accurate knowledge of these characteristics, particularly at microwave antenna heights of around 70 meters, in …
Published in Journal of Remote Sensing & GIS · Vol. 15, Issue 2, 2024 · pp. 28–42 Read article