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1227 articles for “Phases”
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Nuclear Hulthén potentials for F and G partial waves
Abstract: In the past few decades, several investigation have been made and at the same time a number of theoretical models have also been projected for the nucleon-nucleon scattering in the low and intermediate energy range. These phenomenological models involve large number of free parameters to be fitted to reproduce the physical observables. In contrast to these potentials a two-term four parameter nuclear Hulthén type interaction is proposed to describe the …
Published in Research & Reviews : Journal of Physics · Vol. 10, Issue 2, 2021 · pp. 31–37 Read article
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A Review of Optimization of Energy Efficiency Though Phase Change Material in Building
Abstract: Energy use in the construction sector is substantial. Thus, it is crucial that new materials be developed with the intention of improving building thermal efficiency. Thus, over the last few decades, the incorporation of Phase Change Materials has increased. (PCMs) into buildings has gained popularity. Such materials, which have the capacity to both absorb and release energy from/in the environment, can lessen temperature variations, enhancing human comfort while also consuming …
Published in International Journal of Urban Design and Development · Vol. 1, Issue 2, 2023 · pp. 05–12 Read article
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Phase Noise Reduction in WLAN by Applying Wavelet Packet Multiplexing
Abstract: The IEEE 802.11 standards for wireless Local Area Networks (LANs) commercialized as Wi-Fi are deployed in office and home environments. These systems provide data rates up to 1300 Mbps at 5 GHz and 400 Mbps at 2.4 GHz with physical layer based on OFDM and MIMOOFDM. Traditionally, multiplexing in OFDM is realized using static orthogonal waveforms derived from Fourier transforms. The decoding of the data at receiver is based on …
Published in Journal of Communication Engineering & Systems · Vol. 7, Issue 3, 2017 · pp. 8–15 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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Self-Compensation of Commutation Phase Error for Brushless DC Motor
Abstract: BLDC motors are synchronous motors powered by DC electricity via an inverter which produces an AC electric current to drive each phase of the motor via a closed loop controller. Electronic commutation is the on-and-off of the semiconductor switches at appropriate time to turn stator windings. Commutation phase ripple is generated due to the different exchange rate between outgoing phase current and incoming phase current of inverter during commutation period. …
Published in Trends in Electrical Engineering · Vol. 8, Issue 3, 2018 · pp. 72–81 Read article
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Synthesis of CaCl2.6H2O by Using Phase Diagram and Verification of its Ability to Remain as a Hexahydrate at Various Thermal Effects
Abstract: Antarcticite (CaCl2.6H2O) is one of the salt hydrate forms of Calcium chloride. It has a specific application in energy storage systems at ambient temperature, since its melting point is around 29ºC. During the conventional synthesis of Antarcticite, a risk of other hydrates crystallization is there. An experimental procedure is designed through binary melting phase diagram for selective crystallization of Antarcticite from aqueous CaCl2 solution. The melting and recrystallization behavior of …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 6, Issue 3, 2015 · pp. 60–71 Read article
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A Review on the Performance of the Phase Change Material on the Solar Energy Collector Devices
Abstract: Energy is the basic need for all developing countries and India is also a developing country. Energyis central to performing the interrelated economic, social aim of human development. Solar energy isa rapid growing technology and have gained a lot of attention because it is renewable source ofenergy and is available in abundance in India. Due to over exploitation of fossil fuel soon there willbe its scarcity. This will not only …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 8, Issue 1, 2021 · pp. 9–15 Read article
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Exploration of Advanced Phase Change Materials for Thermal Energy Storage in Renewable Energy Systems: An Overview
Abstract: Phase Change Materials (PCMs) are increasingly vital for improving thermal energy storage (TES) systems. Their ability to absorb and release heat efficiently makes them ideal for renewable energy applications, enhancing energy efficiency, reducing waste, and supporting sustainable energy solutions across various sectors like solar power and building temperature regulation. Their ability to store and release latent heat during phase transitions makes them ideal for addressing the intermittency of renewable energy …
Published in Journal of Thermal Engineering and Applications · Vol. 12, Issue 3, 2025 · pp. 10–14 Read article
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Digitally Tunable Dual-Phase Polymer–PCM Composites for IoT-Based Adaptive Thermal Management in Smart Buildings
Abstract: This study presents the design and development of digitally tunable dual-phase polymer–phase change material (PCM) composites for advanced thermal management in smart building applications. The composite is based on a hybrid polymer matrix comprising thermoplastic polyurethane (TPU) and a crosslinked polyvinyl alcohol (PVA) gel, reinforced with paraffin microencapsulated PCM and hydrated salt PCM to achieve multi-stage thermal energy storage. The polymer composite architecture enables enhanced structural integrity, high encapsulation efficiency …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 147–157 Read article
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FACTORS INFLUENCING SUSTAINABILITY DURING THE CONSTRUCTION PHASE OF THE SMART CITY PROJECTS
Abstract: Nowadays, urban cities of developing countries mainly India, are facing rapid urbanization that has been resulted in issues such as, gap in demand and supply of infrastructure services and utilities, increased pollution, traffic congestions, reduction in land cover, etc., thus affecting the ecology negatively in wider extent. Smart cities are recognized as a sustainable world wide solution to the above mentioned urban issues, which emerges as a means to achieve …
Published in Journal of Construction Engineering, Technology & Management · Vol. 8, Issue 2, 2018 · pp. 14–27 Read article
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Design of Passive Phase Shifter for Beam Steering Applications
Abstract: The role of phase shifters in the field of beam steerable antennas is vital. The paper presents a navel technique in designing of phase shifters. This technique is facilitating many advantages along with phase shifting, such as reducing mutual coupling between array antenna elements results reduction in overall antenna size and miniaturize the radiating antenna aperture. This structure also shields the components behind the antenna. This method helps in eliminating …
Published in Journal of Microwave Engineering and Technologies · Vol. 1, Issue 3, 2014 · pp. 26–32 Read article
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Performance Analysis & Speed Control of 3 Phase Induction Motor on 8 Bit Controller Platforms Using LabVIEW®
Abstract: ABSTRACTPerformance analysis & speed control of 3 phase induction motor on 8 bit platform using LabVIEW® aims to speed control of 3-phase induction motor, microcontroller used for this work is AVR ATmega16. LabVIEW® provides the remote GUI interface to the system. LabVIEW® interfaces to the control system with the RS-232 communication link Using NI-VISA. Actually induction motor controlling through microcontroller and PC based GUI leads to the almost complete design …
Published in Journal of Computer Technology & Applications · Vol. 1, Issue 1-3, 2011 · pp. 88–99 Read article
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Polymer Composite Phase Change Materials: Materials Design, Processing, Characterization, and Structure–Property Relationships—A Comprehensive Review
Abstract: Polymer composite phase change materials (PCPCMs) have been recognized as an innovative category of multifunctional polymeric materials, which could be tuned by appropriate materials design, composite formation, and interface modification. With the incorporation of phase change materials in polymer matrix systems and functional fillers, PCPCMs show improved mechanical properties, physicochemical stability, and functionality in contrast to traditional phase change materials. With recent advances in polymer science, nanocomposites, and processing techniques, …
Published in Journal of Polymer & Composites · Vol. 14, Issue 5, 2026 Read article
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A Study on Phased Array Technology for Polyethylene Pipe Butt Fusion Joint to Apply in Nuclear Power Plants
Abstract: Butt fusion welding has been widely used for its ease to fuse and suitability for high-quality High Density Polyethylene (HDPE) pipes. This paper studies background and advantages of ultrasonic phased array technology and positive attributes of high density polyethylene pipes to apply in nuclear power plants. We classified two types of flaws: cold-fusion and inclusion. Specimens have been designed and fabricated using butt fusion welding method, and potential flaws such …
Published in Journal of Nuclear Engineering & Technology · Vol. 2, Issue 1, 2012 · pp. 1–9 Read article
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Enhancing Thermal and Mechanical Performance of Polymer-Based Phase Change Materials with Graphite Nanoplatelets: A High-Efficiency Approach for Energy Storage Applications
Abstract: This study explores the performance enhancement and characterization of polymer-based phase change material (PCM) composites reinforced with graphite nanoplatelets (GNPs) for thermal management applications. The integration of GNPs significantly improved thermal conductivity, which increased from 0.38 W/m·K in pure PCM to 2.60 W/m·K with 10 wt% GNPs, marking a 580% improvement. Differential Scanning Calorimetry (DSC) analysis revealed a reduction in latent heat capacity from 180 J/g to 150 J/g—approximately 16.7%—attributed …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 150–162 Read article
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Polymer–Gel Composite Phase Change Materials: A Functional Polymer Composite Approach for Solar-Thermal Energy Storage in Building Facades
Abstract: This study investigates polymer–composite phase change materials (PCMs) in the form of polymer–gel hybrids as multifunctional systems for solar–thermal energy storage in building façades. Paraffin- and PEG-based PCMs were embedded into polyurethane and acrylic gel matrices to create shape-stabilized polymer–composites with high PCM loading (70–80 wt%). Differential Scanning Calorimetry (DSC) confirmed distinct melting/freezing transitions at ~56°C (paraffin) and ~42°C (PEG), with enthalpy values of 120–150 J/g, closely matching theoretical predictions, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 36–51 Read article
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Orthogonal Thirty-Two Phase Sequence Sets Design
Abstract: In using orthogonal signals, a multi-input, multi-output (MIMO) radar system and a spread spectrum communication system can improve operating efficiency. The usage of polyphase coded signals as pulse compression sequences sets is a superior alternative. The Modified Genetic Algorithm (MGA) is utilized as a global optimization strategy to create thirty-two phase sequence sets in this work. Design orthogonal thirty-two phase sequence sets with an impulse-like Autocorrelation Function (ACF) and a …
Published in Current Trends in Signal Processing · Vol. 12, Issue 2, 2022 · pp. 33–39 Read article
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Energy-efficient and low-complexity linear phase filter design
Abstract: Digital signal processing (DSP) systems require digital filters as a critical component. DSP is one of the technologies that will have the biggest impact on science, engineering, and technology. For many portable signal processing applications, linear phase FIR filters with high throughput, good energy economy, and low latency are extremely desirable. The trade-off between performance indicators makes it difficult to boost throughput and energy efficiency while lowering low complexity. This …
Published in Journal of Electronic Design Technology · Vol. 13, Issue 2, 2022 · pp. 41–53 Read article
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Assessment of Two Phase Turbulent Mixing Models for Subchannel Analysis Relevant to BWR
Abstract: AbstractDetermination of turbulent mixing rate of two phase flow between neighboring subchannels is an important aspect of subchannel analysis in reactor rod bundles. Various models have been developed for two phase turbulent mixing rate between subchannels. These models show that turbulent mixing rate is strongly dependent on flow regimes; their validity was examined against specific or limited experiments. It is vital to evaluate these models by comparing the predicted two …
Published in Journal of Nuclear Engineering & Technology · Vol. 4, Issue 1, 2014 · pp. 25–44 Read article
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Performance Analysis of Carrier Frequency Offset (CFO) and Phase Noise in 4G Communication System
Abstract: For telecommunication services the dramatic shift in the market has been made in beginning of 21st century. In these days' communication network the key challenges is to integrate numerous serves, convey the additional data as expeditiously as doable through limited bandwidth and providing high information data rates. For 4G communication systems 3GPP introduced two features Higher Order Modulation and Multiple Input Multiple Output (MIMO) in OFDM system but one limiting …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 3, Issue 1, 2016 · pp. 33–46 Read article