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46 articles for “Solar Activity (SA)”
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Investigations of Cosmic Ray Strength in the Heliosphere Through Solar Cycles 23 and 24
Abstract: Solar wind disturbances and magnetic turbulence inside the heliosphere are affected by GCR, which effect is known as Solar Modulation. A data-driven investigation of the Galactic Cosmic Ray flux's temporal dependence over the Solar Cycle is carried out to investigate this event. Every month, we gather GCR data using a global statistical inference to ascertain how rigidity and time affect the GCR diffusion parameters. In this article, we examine their …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 12, Issue 2, 2023 · pp. 7–12 Read article
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Modulation in CRI Due to Solar-Interplanetary Causes during 1996–2018
Abstract: AbstractSolar outputs and their variations are responsible to produce modulation in cosmic ray intensity (CRI) both on short-term as well as on long–term basis. It is seen that sunspot number; 10.7 cm sun oriented radio transition, coronal mass launches (CMEs) and sunlight based flares are the causal connect to sun oriented movement (SA). In addition, coronal mass discharges are related with an assortment of interplanetary plasma and field aggravations. In …
Published in Recent Trends in Electronics Communication Systems · Vol. 7, Issue 1, 2020 · pp. 21–25 Read article
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Impact of Solar Variability on the Heliosphere and Cosmic Rays Modulation with Geomagnetic Activity
Abstract: AbstractThe structure of the heliosphere and produce changes in cosmic ray intensity controls by solar variability. the observation based on data taken from Omniweb data center for solar interplanetary data and count rate of cosmic ray intensity (CRI) variation data from Oulu / Moscow neutron monitors (with cutoff rigidities Rc=0.80 GV and Rc=2.42 GV) during 1996-2018. It is observed that the sun is remarkably quiet and the strength of the …
Published in Recent Trends in Electronics Communication Systems · Vol. 7, Issue 1, 2020 · pp. 32–35 Read article
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Thermal Performance Enhancement Strategies for a Compact Solar PV-Powered Concentrating Water Heating System Through Integrated Collector Design
Abstract: Solar water heating systems have emerged as one of the most promising renewable energy technologies for reducing dependence on conventional fossil fuels and electricity-based water heating. However, the thermal performance of compact solar water heaters is often limited by inadequate solar absorption, poor heat transfer, and thermal losses within the collector assembly. This study presents a theoretical investigation of thermal performance enhancement strategies incorporated into a compact solar photovoltaic (PV)-powered …
Published in International Journal of Energy and Thermal Applications · Vol. 4, Issue 2, 2026 Read article
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The Study of Temporal Variations in Ionosonde foF2 and GPS TEC at Multan and Islamabad during Low and High Solar Activity in Solar Cycle 24
Abstract: The study of temporal variations in critical frequency of the F2 layer (foF2) and total electron content (TEC) calculated from satellites of GPS (Global Positioning System) has been conducted at Multan (Geog. Lat: 30.16°N, long: 71.53°E) and Islamabad (33.66°N, 73.23°E) during low solar activity (LSA) year 2009 and relatively high solar activity (HSA) year 2012 of solar cycle (SC) 24. In general, it has been observed that the diurnal variations …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 7, Issue 2, 2018 · pp. 8–17 Read article
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System Design for High Speed Trajectory Changing of A Solar Sail
Abstract: Solar sails were created as a new form of satellite propulsion which uses the radiation pressure of the light from the stars or a laser to push ultrathin mirrors to high speeds. The new design incorporates ablative laser propulsion for trajectory changing of the probe at a desired point in space to be maneuvered towards the desired object. The design provides a combination of sail propulsion and laser propulsion systems …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 3, Issue 2, 2014 · pp. 22–27 Read article
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Growth of Cu2O on TCO by SILAR method acts as an alternative buffer electrode layer towards the development of organic solar cell
Abstract: In many types of optoelectronic devices, layer of PEDOT: PSS is sandwiched between the indium-tin oxide (ITO) electrode and the active layer. Buffer PEDOT: PSS provides a well- defined work function which is higher than that of ITO (4.2eV), it smooths the ITO surface and so avoids shorts, and it also protects the active layer from ingress of indium or oxygen, leading to longer device lifetimes. The role of PEDOT: …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 13, Issue 2, 2026 · pp. 20–27 Read article
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Investigation of the Modulation of Solar Wind and Communication Signal Waves and its Effect on Earth Navigation System
Abstract: The solar wind is an uninterrupted outflow of magnetized plasma from the solar corona that reaches interplanetary space and accumulates in the earth's outer atmosphere disturbing the navigation and communication systems. Incoming solar winds move across in the space, form waves during times of robust solar activity. These waves undergo modification in Earth's atmospheric and interfere with communication signal. Navi-Aid Airport frequency communication data, together with ACE Satellite Electron and …
Published in Research & Reviews : Journal of Physics · Vol. 13, Issue 3, 2024 · pp. 26–32 Read article
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Material-Integrated Energy Management: Role of Advanced Polymers and Composites in Smart Homes
Abstract: The article discusses the possibility of improving the performance as well as the sustainability of smart-home-based energy management systems (EMS) by applying advanced polymeric and composite materials. Smart homes today are placing greater requirements on lightweight, thermally stable, high durability, and electrically conducting compounds in such important aspects of the devices as batteries, substrate layers in solar panels, thermally resistant enclosures, and high efficiency thermal insulation on intelligent appliances. Such …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1361–1374 Read article
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A Study On Hybrid Renewable Energy System
Abstract: The market of sun oriented warm and photovoltaic power age is developing quickly. Novel thoughts on half and half sun oriented innovation develop for a wide scope of uses, for example, in structures, handling plants, and horticulture. In the structure area specifically, the restricted structure space for the convenience of sunlight based gadgets has driven an interest on the utilization of cross breed sun based innovation for the multi age …
Published in Journal of Microelectronics and Solid State Devices · Vol. 8, Issue 2, 2021 · pp. 33–37 Read article
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Improved Photocatalytic Activity for Removal of Methylene Blue Dye from Aqueous Solutions with La2O3-Modified Ceria Heterostructured Binary Oxide Nanocomposite Particles
Abstract: The current study aimed to examine the photocatalytic efficacy of a bimetallic CeO2-La2O3 hetero-NC in comparison to monometallic CeO2 and La2O3 nanoparticles (NPs), utilizing Methylene Blue (MB)as pollutant sample under natural solar and UV irradiation. The coprecipitation method was utilized to produce a bimetallic CeO2-La2O3 hetero-NC. Following this, the nanostructures underwent characterization through various techniques including FT-IR, FE-SEM, XRD, UV Vis- DRS, Raman, and Photoluminescence spectroscopy. The catalytic activity of …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 514–532 Read article
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Holistic integrated approach of designing a satellite town: Introducing theories of environmental parameters like pollution free, circular economy and sustainability
Abstract: Urban regions are quite challenging to restore the quality of environment at the global level as well as posing serious threat to climatic changes. This fact is demonstrated on the grounds that around 70% of the carbon footprint is contributed from the urban sector. The authors of the present study have attempted to design a satellite town of population 50,000, partly to dilute the population density of main urban town …
Published in International Journal of Architectural Design and Planning · Vol. 3, Issue 1, 2025 · pp. 24–41 Read article
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Solar Powered Outdoor Air Purifier with Air Quality Monitoring
Abstract: The Internet has a major challenge with air pollution. Numerous major health issues might be brought on by this dirty air. An air purifier serves as a life-saving aid for people who have breathing issues like asthma or sinusitis or who have lung disorders of any kind. An air purifier lessens the likelihood of health problems brought on by indoor pollution, which might directly cause neurological disorders, respiratory infections, or …
Published in Journal of Thermal Engineering and Applications · Vol. 9, Issue 2, 2022 · pp. 1–7 Read article
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Double slope Solar Still by using Nano Embedded Binary Eutectic PCM: A Review
Abstract: Solar distillation is an economical and eco-friendly technique. Concerns about the increasing need for clean drinking water for home and commercial uses are spreading around the world. In rural and tiny settlements with limited access to water and electricity, solar water distillation is a viable method for removing salty water from drinking water. The efficiency and performance of thermal energy storage materials based on phase change materials (PCM) and nanofluids …
Published in Trends in Mechanical Engineering & Technology · Vol. 14, Issue 1, 2024 · pp. 29–33 Read article
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Double slope Solar Still by using Nano Embedded Binary Eutectic PCM: A Review
Abstract: Solar distillation is an economical and eco-friendly technique. Concerns about the increasing need for clean drinking water for home and commercial uses are spreading around the world. In rural and tiny settlements with limited access to water and electricity, solar water distillation is a viable method for removing salty water from drinking water. The efficiency and performance of thermal energy storage materials based on phase change materials (PCM) and nanofluids …
Published in Trends in Mechanical Engineering & Technology · Vol. 14, Issue 1, 2024 · pp. 22–33 Read article
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Variation in Diurnal Phase of Cosmic Ray Intensity during 1986–2017
Abstract: Variations of cosmic ray diurnal phase for Oulu, Apatity, Kiel and Moscow neutron monitoring stations through harmonic analysis by Fourier technique have been investigated in the present study. The period of investigation has been taken to be the period of solar cycle 22, 23 and major portion of solar cycle 24; i.e. 1986 to 2017. Diurnal phase is found have tendency to shift towards later hour direction during 1989, 2000 …
Published in Research & Reviews : Journal of Physics · Vol. 7, Issue 3, 2018 · pp. 20–23 Read article
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Solar Power Scavenging for Wireless Sensor Networks
Abstract: AbstractEnergy scavenging (also known as energy harvesting or ambient power) is a major challenge for scientists to overcome in small, wireless autonomous electronic devices like those used in wearable electronics and wireless sensor networks. As of today, solar energy is the cleanest vitality source available in abundance. This fact has interested the researchers, industries and consumers to develop technology that can harvest solar energy and can possibly convert to useful …
Published in Journal of Mobile Computing, Communications & Mobile Networks · Vol. 3, Issue 3, 2016 · pp. 33–41 Read article
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Flares and Fields: Sun's Impact on Earth
Abstract: This paper delves into the multifaceted motivations driving the study of the Sun, exploring its pivotal role in shaping Earth's climate, influencing space weather dynamics, and serving as a key astronomical entity in our cosmic neighborhood. Investigating the Sun as a physical laboratory, the discussion unfolds the intricate processes of nuclear fusion and magnetic fields, unveiling technological and research pursuits with potential applications in clean energy and space exploration. Examining …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 13, Issue 3, 2024 · pp. 1–12 Read article
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A Review Natural Ventilation by Using Solar Chimney
Abstract: A solar chimney is an effective and sustainable ventilation technology designed to enhance airflow within residential and commercial buildings by utilizing natural convection. Operating on principles like a traditional fireplace, a solar chimney harnesses solar energy to generate an upward air movement, creating a pressure difference that drives passive ventilation. The system comprises a vertical shaft, usually constructed with heat-absorbing materials, which captures solar radiation and heats the enclosed air. …
Published in International Journal of Electrical Power and Machine Systems · Vol. 3, Issue 1, 2025 · pp. 22–28 Read article
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Cell Phone Detector
Abstract: This project presents a Solar-Powered Cell Phone Detector—an innovative and eco-friendly system designed to detect active mobile phones using renewable energy. The primary goal is to offer a sustainable, off-grid solution for environments where mobile phone usage must be restricted, such as examination halls, confidential meeting rooms, and high-security zones. Traditional detectors typically rely on conventional power sources, making them less practical during outages or in remote areas. This system …
Published in Journal of Electronic Design Technology · Vol. 16, Issue 3, 2025 · pp. 7–13 Read article