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448 articles for “Operating temperature”
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Performance Evaluation of Thermoacoustic Refrigeration System
Abstract: Today cooling technologies are going through a transformation phase. The advent of ozone layer depletion and global warming caused by the use of synthetic refrigerants has necessitated a search for alternative cooling technologies. Out of the several technologies which are emerging as alternatives, one technology that can provide cost effective refrigeration without using any of the environment degrading refrigerants is the thermoacoustic refrigeration system. Ideally, this device can be powered …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 1, Issue 1, 2014 · pp. 22–29 Read article
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Modification of Structural and Electrical Properties of GDC with Sb3+ Ions
Abstract: Gadolinium doped cerium (GDC) is a potential candidate as electrolyte in the solid oxide fuel cells operating in intermediate temperatures. The optimum performance of GDC is obtained only when sintered at higher temperatures (~1400°C), where cerium is prone to reduction. Improvement in the conductivity and stability of GDC is expected by doping it with trivalent ions. In the present context, successful attempts have been made to synthesize Ce0.8Gd0.1Sb0.1O2-δ by solid …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 18, Issue 3, 2016 · pp. 27–35 Read article
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A tribute to plasmonic piezoelectric nanomechanical resonators
Abstract: Infrared technology has been used for civilian applications in a wide variety of applications, inclusive of medical diagnostics, biological and chemical threat detection, electrical power system inspection, infrared spectroscopy, and thermal imaging. Applicability of photon detection and thermal sense has been based on infrared detectors, where photon detection links interaction between photons and electrons in a semiconductor material to produce an electrical output signal upon exposure to infrared radiation. Advantages …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 23, Issue 2, 2021 · pp. 40–44 Read article
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Production of Bioethanol from Agro-food Waste (Potato Peel) with the Aid of NPK Fertilizer and Moringa Leaf as Activators
Abstract: In this work, the production of ethanol with the aid of activators was investigated. Two-step hydrolysis of sweet potato peel was studied. Acid hydrolysis was carried out using dilute sulphuric acid, while enzyme hydrolysis was studied using Aspergillus niger inoculum. The effect of activators on ethanol yield was also investigated. Saccharification was studied using aspergillus niger which is a starch degrading organism to generate convertible sugar. Fermentation was carried out …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 14, Issue 1, 2023 · pp. 29–39 Read article
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Quantitative Determination of Isomeric Components of essential oils by RP-HPLC-PDA in multi-herbal tablets
Abstract: Essential oils are lipophilic and highly volatile secondary plant metabolites, principally mono- and sesquiterpenes. The widespread usage and applications in biopharmaceutics and cosmoceutics of these components drives their quality assessments criteria to be established. Gas chromatography is one of the predominantly used technique for analyzing volatile oils. Although Gas Chromatography employs estimation designs operated at elevated temperatures leading for plausible structural alterations of thermo labile compounds. Hence, a novel gradient …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 11, Issue 3, 2020 · pp. 19–28 Read article
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Comparative Study on Design and Analysis of an Iron-Box Using Different Materials
Abstract: In this study, a steady-state thermal analysis of the soleplate is conducted using four different materials (Aluminium, Stainless Steel, Titanium, and Ceramics) using ANSYS Workbench. Also, it ensures that the design adheres to safety standards and promotes efficient energy usage while examining heat distribution. In electric iron, the soleplate is the crucial part, so an analysis is done on this part. Also, a change in design was made to increase …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 192–201 Read article
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Polymer-coated Composites: Enhancing Performance in Single Electron Transistors
Abstract: The single electron transistors (SETs) have potential for ultra-low power operation and quantum coherence, and due to this it guarantees for next-generation electronics devices and quantum computing. SETs have the ability to control movement of a single electron and this unique ability allows significant advancement in the energy efficiency and device miniaturization. There are some obstacles that need to be overcome to achieve reliable and effective operation, particularly for room …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 108–114 Read article
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Polymer Phase Change Materials: Innovations, Applications, and Future Directions
Abstract: Polymer-based phase change materials represent a significant advancement in energy storage and thermal management technologies due to their ability to absorb, store, and release heat during phase transitions. This article reviews recent innovations in polymer phase change materials, focusing on the synthesis, characterization, and performance enhancement techniques. The development of polymer composites with enhanced thermal conductivity, improved phase change enthalpy, and extended thermal cycling stability is discussed. Additionally, the integration …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 11, Issue 2, 2024 · pp. 1–7 Read article
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Need of Standardization of Habb: A Unani Medicine
Abstract: Habb (pill) is a solid dosage form for oral administration of drugs in the human body. The present challenge for Unani scholars is to validate the claims made in the classical texts by applying scientific methodologies on this important dosage form. These claims need to be validated and the drugs need to be standardized on more precise scientific parameters. In order to have a good coordination between the quality of …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 6, Issue 2, 2017 · pp. 37–45 Read article
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AI-Assisted Gain Scheduling for Real-Time Temperature Control in Chemical Reactors
Abstract: Temperature control in continuous stirred-tank reactors (CSTR) represents a critical challenge in chemical process industries due to inherent nonlinearities, time-varying dynamics, and parametric uncertainties. Conventional proportional-integral-derivative (PID) controllers with fixed gains often fail to maintain optimal performance across varying operating conditions, leading to temperature excursions that compromise product quality and safety. This paper presents a novel AI-assisted gain scheduling framework that integrates artificial neural networks (ANN) with adaptive PID control …
Published in Journal of Control & Instrumentation · Vol. 17, Issue 1, 2026 · pp. 24–33 Read article
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A high Regulated Low Ripple DC Power Supply based on LC Filter and IGBT
Abstract: Filaments operating at a high temperature region would require ripple free current constant power source for their heating purposes. Introduction of ripple in the power supply would result in high power loss, aberrant, unpredictable temperature rise etc. High current ripple can also extenuate the life of electrolytic capacitors used in the circuit. In this paper we propose a scheme in which we would not only use simple, low cost, easily …
Published in Journal of Power Electronics and Power Systems · Vol. 2, Issue 2, 2012 · pp. 1–10 Read article
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Experimental Validation and Implementation Framework for Optimized Methane Yield Prediction in Anaerobic Digestion
Abstract: The correct validation and realistic application of optimized anaerobic digestion (AD) models are essential steps in transferring biogas production systems to real-life. This paper outlines an experimental validation and deployment pipeline of an AI-optimized model of the methane yield prediction model based on the application of more advanced machine learning and Bayesian optimization methods. Others The validated surrogate-assisted optimization model was tested with controlled laboratory-scale AD experiments at optimized operating …
Published in International Journal of Environmental Noise and Pollution Control · Vol. 4, Issue 1, 2026 · pp. 25–32 Read article
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Lightining Future With Non Degradable Waste
Abstract: This project focuses on addressing the growing problem of non-biodegradable waste, which creates major environmental and management issues. It proposes a smart system for waste segregation and energy production using the Arduino UNO R4 platform. The system classifies waste into three types dry, wet, and metal by using various sensors such as proximity, moisture, infrared, temperature, and weight sensors. After segregation, dry waste is sent to an incineration chamber where …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 16, Issue 2, 2026 Read article
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Production of liquid fuel from waste plastic using batch catalytic pyrolysis process
Abstract: Waste polystyrene from households and retailing shops are recognized to be the major sources of environmental problem. On the other hand, it represents a source of energy and valuable chemical products. Pyrolysis as a technique of chemical recycling of waste plastic is as an environmentally and economically acceptable option for converting waste plastics into useful resources. In this study, the operating conditions studied were; temperature was varied from 430 to …
Published in Journal of Catalyst & Catalysis · Vol. 6, Issue 2, 2019 · pp. 34–43 Read article
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Evaluation of Optimal Parameters for Wire EDM Machine on En45A Alloy Steel using Taguchi and Grey Relational Analysis (GRA) Method
Abstract: The core goal of this research paper is to evaluate process parameters of wire electrical discharging machining and to find out the best parameter among the multiple responses given by machine. Wire cut machine is very accurate and precise machine which is actually manufactured to cut those material which have high strength, toughness, and hardness. This machine works on melting property; here spark is generated between the work piece and …
Published in Journal of Materials & Metallurgical Engineering · Vol. 6, Issue 1, 2016 · pp. 11–21 Read article
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Boron Nitride Nanoplatelets and Aluminium Nitride Incorporated Organic Organic Eutectic Phase Change Materials with Enhanced Thermal Conductivity with Low-Loading Nanoadditives
Abstract: Miniaturized high performance electronic appliances generate tremendous heat during the duty cycle, has led research community to explore advanced thermal management strategies. Operating electronics at high temperature may result in malfunctioning of compact appliances. Thus, phase change materials (PCM) are applied to maintain isothermal temperature by implementing phase transition through latent heat. To improve the thermal conductivity and to deduce at suitable phase transition temperature of novel eutectic PCM, nanoplatelets …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 1–9 Read article
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Use of Fuzzy Logic Method for the Optimisation of the Wear Parameters of Aluminum Alloy
Abstract: In this paper, use of fuzzy logic in the Taghuchi method for the optimisation of the wear parameters of aluminum alloy is explained. An experiment was conducted on three alloys viz. Al-25Zn-2.5Cu-5SiC, Al-25Zn-2.5Cu-10SiC, Al-25Zn-2.5Cu-15SiC. Experiments were carried out on standard pin-on-disc machine, at ambient temperature and under dry operating condition. The three process parameters like sliding velocity, load and sliding distance were optimized. In the Taguchi method, L27 orthogonal array …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 1, 2015 · pp. 20–25 Read article
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Comparative Study of Various Materials for Solid Oxide Fuel Cells: A Review
Abstract: Solid State Oxide Fuel Cells (SOFC) offer clean and efficient power generation systems with good fuel flexibility, high power density, low pollution, modularity and high energy conversion efficiency. The conventional SOFCs operate at a higher temperature of about 1000 â°C. This limits the use of materials to be used for their construction. Presently, the major research effort ongoing is to develop the low cost intermediate temperature (IT) SOFC. These cells …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 3, Issue 1, 2013 · pp. 7–15 Read article
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Thermal Performance Analysis and Optimization of Pin-Fin Heat Sink Using CFD, Taguchi Method, and Machine Learning
Abstract: Efficient thermal management is essential for improving the performance and reliability of modern engineering systems and electronic devices. This study presents the design, simulation, and optimization of a pin-fin heat sink using SolidWorks for three-dimensional modeling and ANSYS for thermal and computational fluid dynamics (CFD) analysis. Four different pin-fin geometries, namely square, pentagon, octagon, and circular fins, are considered to evaluate their thermal performance under varying operating conditions. Aluminum is …
Published in Trends in Mechanical Engineering & Technology · Vol. 16, Issue 2, 2026 · pp. 8–20 Read article
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Energy-efficient HVAC System with Decision Tree Classifier and Real-time SMS Notification
Abstract: This research paper explores the design and implementation of an energy-efficient heating, ventilation, and air conditioning (HVAC) system aimed at optimizing energy consumption and enhancing operational efficiency. The system incorporates high-efficiency components, including axial flow fans, motors, and intelligent variable frequency drives, achieving an overall system efficiency of up to 85%. By utilizing both static and dynamic pressures, the HVAC system operates more effectively under varying conditions compared to traditional …
Published in International Journal of Advanced Robotics and Automation Technology · Vol. 2, Issue 2, 2024 · pp. 29–34 Read article