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59 articles for “hot water system”
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Novel Thermal Management of BIPV System-Liquid Earth-Based Cooling
Abstract: The application of solar PV has tremendously increased in recent years owing to the improved efficiency and economic feasibility. Among the several applications of PV panels Building integrated photovoltaics has become a hot topic in research. However improper thermal management of solar panels is the main cause of a decline in efficiency and longevity. In this regard, water-based coolingsystems, integrating cooling ducts, using optical filters, phase change materials, and air-passed …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 10, Issue 2, 2023 · pp. 1–18 Read article
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A Review on Design of Radiant Cooling Concept with Room Floor and Walls
Abstract: AbstractRadiant cooling is concept in which room temperature is maintained by the radiant effect of pipe which contain cold or hot flowing water, with lower or higher temperature than its surroundings. Heat or cold will be absorbed by the flowing water of pipes. This system uses building floors, walls or ceilings for the installation of radiant pipes. In the research work, it is aimed to design an effective pipe design …
Published in Recent Trends in Fluid Mechanics · Vol. 6, Issue 3, 2019 · pp. 1–6 Read article
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Review on solar Collector heating system
Abstract: In this paper we are going to describe about our current time water heating process and their utilization. The main reason of solar heating is that because it is freely available in our nature and it is inexhaustible energy resources. In present time their are many places where the hot water used like domestic purpose, commercial purpose, and industries. solar energy is the one of the best example of renewable …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 9, Issue 3, 2022 · pp. 25–30 Read article
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Semiconductor Physics and Micron Scale Fluid Mechanics towards the Microelectromechanical Systems Associated with Nanotechnology
Abstract: Interrelations among semiconductor physics, microfluidics, nanofluidics and nanotechnology are briefly described. A single microchannel bend is designed and fabricated by author using the maskless lithography, hot embossing lithography and direct bonding. Dyed water is the selected and prepared working liquid in this work. Surface-driven (passive) capillary flow of working liquid is recorded in the fabricated microchannel bend using a CMOS camera. This work may be useful in applied chemistry.
Published in Research & Reviews : Journal of Physics · Vol. 9, Issue 4, 2020 Read article
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Identification of Elements Exist in Area Around Khartoum Petroleum Refinery Using Spectroscopic Method
Abstract: Laser-induced breakdown spectroscopy (LIBS) is a method of atomic emission spectroscopy (AES) that uses a laser-generated plasma as the hot vaporization, atomization, and excitation source. Plasma is often called the fourth state of matter. The various states of matter occur as a substance is heated to temperatures corresponding to thermal energies above the binding energies for particular state of matter. Structured systems placed in a sufficiently hot environment. LIBS technique …
Published in Journal of Petroleum Engineering & Technology · Vol. 12, Issue 1, 2022 · pp. 1–14 Read article
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Understanding the Role of Remote Sensing Techniques in Monitoring Air Quality for Effective Adherence to Environmental Impact Assessment Practices in Nigeria
Abstract: The paper reviews the Nigerian Environmental Impact Assessment (EIA) Act, outlining the established air quality thresholds and emission caps for stationary sources. The standard applies to; common pollutants like sulphur dioxide, carbon monoxide, ozone, particulate matter and nitrogen oxides; toxic metals such as arsenic, nickel, cadmium and mercury; as well as volatile organic compounds, ammonia, antimony, zinc, formaldehyde and radon.It also describes the major classifications of remote sensing applications, including …
Published in International Journal of Satellite Remote Sensing · Vol. 4, Issue 2, 2026 Read article
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Synthesis and Experimental Evaluation of Graft Polymer Nanocomposite in Water Based Drilling Fluid System for Reactive Unconventional Reservoirs
Abstract: AbstractThis experimental work discusses the evaluation of polyacrylamide-grafted-gum arabic/carboxymethyl cellulose nanocomposite as a drilling mud additive for the drilling of reactive shale formations which may lead to wellbore instability. The synthesized nanocomposite was synthesized with free polymerization technique and it was characterized by XRD, FTIR, and FESEM. Then, it was preceded in the development of the WBDMS. Its effect on the rheological and filtration control properties of the formulated mud …
Published in Journal of Polymer & Composites · Vol. 5, Issue 2, 2017 · pp. 34–41 Read article
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Recording of Surface-Driven Capillary Flow inside the Polymeric Microchannel Coated with Diamond like Carbon
Abstract: In this experimental work, author has fabricated a single polymeric microfluidic device by maskless lithography, hot embossing lithography and direct bonding technique. Author has coated the diamond like carbon inside the microchannel by plasma enhanced chemical vapor deposition system. Author has recorded the surface-driven microfluidic flow of dyed water in the fabricated device. The meniscus profile is recorded during the surface-driven microfluidic flow. This research work may be useful to …
Published in Journal of Microelectronics and Solid State Devices · Vol. 7, Issue 3, 2020 · pp. 8–11 Read article
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Report on Microfluidic Flow of Dyed Working Liquids inside the Polymeric Devices
Abstract: In this experimental work, a single SU-8 based glass microfluidic device is engineered by the maskless lithography and indirect bonding technique. Also, total nine individual polymethylmethacrylate (PMMA) based microfluidic devices are fabricated by maskless lithography, hot embossing lithography, and direct bonding technique. Dyed ethylene glycol, dyed ethanol, and dyed aqueous isopropyl alcohol (50% water, 50% IPA) are prepared and used as working liquids to record each surface-driven microfluidic flow. The …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 8, Issue 1, 2021 · pp. 22–29 Read article
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Land Degradation Mapping Using Integration of Remote Sensing and Geographic Information Systems in Maricá, Rio de Janeiro, Brazil
Abstract: The purpose of this paper is to study the growing problem of soil erosion in the municipality of Maricá, Rio de Janeiro, Brazil. The study area has an excellent agricultural condition. However, due to human and natural factors, water erosion is becoming a major problem. Therefore, new approaches are needed to determine soil degradation not only for the identification of hotspots, but also to identify areas prone to degradation to …
Published in Journal of Remote Sensing & GIS · Vol. 15, Issue 3, 2024 · pp. 45–56 Read article
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Imperishable Sewage treatment plant - A case study of Surat, India
Abstract: In the 21st century, it is prominently observed that there is a major contamination of water resources in particular fresh water resources due to increase in the municipal, agricultural and industrial wastes. Moreover, in today's world, environmental pollution has become a hot topic. Water is becoming increasingly scarce, and many people fear that future conflicts will be fought over pure drinking water. Water scarcity not only causes problems for humans, …
Published in Journal of Water Resource Engineering and Management · Vol. 9, Issue 3, 2022 · pp. 10–20 Read article
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Surface-Driven Capillary Flow of Dyed Aqueous Ethanol in the PMMA Microchannel Fabricated by Maskless Lithography, Hot Embossing Lithography and Direct Bonding Technique
Abstract: AbstractPolymethylmethacrylate (PMMA) as polymer is used to fabricate a dual sudden expansion microchannel by the maskless lithography, hot embossing lithography and direct bonding technique inside the cleanroom laboratory. Dyed aqueous ethanol (90% dyed water, 10% ethanol) is used as working liquid to record the surface-driven capillary flow in the fabricated microfluidic device using a CMOS camera catching 25 frames per second with a corresponding time-scale resolution of 0.04 second. This …
Published in Trends in Opto-electro & Optical Communication · Vol. 8, Issue 3, 2018 · pp. 37–40 Read article
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Commercial refrigeration using CO2 as refrigerant- A Study
Abstract: AbstractToday, CO2 refrigeration and heat pumping technologies are recognized as workable and sustainable alternatives for a number of applications like commercial refrigeration, transport refrigeration, vehicle air conditioning, domestic hot water heat pumps and few industrial applications. This study gives an overview for the development possibilities for several applications during the next years. In next coming few years, an increase of market share for CO2 refrigeration and heat pump systems can …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 4, Issue 3, 2017 · pp. 1–6 Read article
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Techno-Economic Analysis using Ground Water Heat Exchanger for Cooling Purpose in SCOE Seminar Hall
Abstract: Buildings & indoor comfort conditions have been priority concerns for mankind since ever. This has led to development of Ventilation & Air-Conditioning techniques. This has resulted in activities that have adversely affected the environment. The rapid rate of depletion of the conventional energy sources; the increasing deforestation due to mining, human habitation & farming activities; the growth in pollution and harmful emissions into the atmosphere and consequent adversaries in form …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 8, Issue 2, 2021 · pp. 8–12 Read article
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Enhancement in Heat Transfer Rate in a Pipe in Pipe Heat Exchanger Using Helical Insert
Abstract: AbstractHeat transfer enhancement techniques are frequently used in heat exchanger system in order to increase the rate of heat transfer and improve the thermal performance of the system. This paper contains experimental study on enhancement in heat transfer rate using helical insert. The inner tube used was of copper with inner and outer diameter of 11.8 mm and 12.7 mm, respectively, and outer tube was galvanized iron, which was insulated …
Published in Journal of Thermal Engineering and Applications · Vol. 5, Issue 2, 2018 · pp. 5–12 Read article
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Microfluidic Flow of Dyed Water in the PMMA Microchannels
Abstract: In this work, total three individual polymethylmethacrylate (PMMA) microfluidic devices are fabricated by the maskless lithography, hot embossing lithography, drilling, direct bonding technique and chip separation technique. Dyed water is the working liquid. One sudden expansion microchannel and two microchannel bends are tested by dyed water. The surfacedriven capillary flow is recorded by the CMOS camera. This work will be useful in the fabrication of PMMA lab-on-a-chip systems for microfluidic …
Published in Research & Reviews : Journal of Physics · Vol. 6, Issue 3, 2017 · pp. 10–13 Read article
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Acacia catechu: A Unani Traditional, Phytochemical and Pharmacological Review
Abstract: Kath is a hot water extract of red heartwood of Acacia catechu Willd which is brown colored material with bitter taste. Acacia catechu is commonly known as Khair or Kattha. It is a medicinal plant found in almost every region of India recognized for its medicinal and therapeutic uses. It is multipurpose plant as bark, leaves and wood of this plant has high medicinal value. In Unani system of medicine, …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 8, Issue 2, 2019 · pp. 19–25 Read article
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Heat Absorption and Conversion Thermal Efficiency Analysis on Mass Concrete Embedded Water Pipes as Permanent Roof
Abstract: The solar thermal storage ability of Concrete roof structures was analysed by placing water pipes made of Galvanized pipes embedded inside the top plaster. The performance parameters such as the inlet and outlet water temperatures, ambient temperature and solar radiation has been recorded and indicates positively on embedding this system in to real time roof structures. Studies were carried out at Aluva, South West India (10.1004° N, 76.3570° E). The …
Published in Journal of Thermal Engineering and Applications · Vol. 11, Issue 2, 2024 · pp. 22–27 Read article
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Cooling test's impact on photovoltaic solar panel systems
Abstract: Temperature changes have a massive effect on the performance of photovoltaic (PV) solar panels that are currently extensively used for the conversion of solar power into electrical energy. The output of solar systems is limited, especially in hot climates, as heating of the panel causes output voltage and efficiency to drop. The paper explores the effects of cooling on the quality and performance of photovoltaic (PV) solar panels. In this …
Published in International Journal of Electronics Automation · Vol. 4, Issue 2, 2026 Read article
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Overheating Prevention System to Improve the Solar Effcicency: Simulation in Logosoft
Abstract: This project aims to improve the efficiency and longevity of solar panels by preventing overheating through an automated cooling system. The system guarantees solar panels operate efficiently, reliably, and sustainably. The proposed system also includes a feedback-based control mechanism that assesses temperature changes on an ongoing basis to enhance cooling cycles and reduce superfluous water consumption. Using LOGO!Soft Comfort software for simulation, the system integrates a temperature sensor to monitor …
Published in Trends in Electrical Engineering · Vol. 16, Issue 1, 2025 Read article