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371 articles for “absorbance”
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Effect of Thickness of Absorber Layer on the Enhancement of Efficiency, and Performance of CH3NH3SnI3 based Perovskite Solar Cell using SCAPS-1D
Abstract: The present research article deals with the improvement of efficiency, and performance of tin based perovskite solar cells (PSCs) using SCAPS-1D software. SCAPS-1D has been used for investigating the absorber layer of the inverted p-i-n arrangement of tin based perovskite solar cells. The inverted p-i-n solar cell arrangement are Glass/ITO/NiO/CH3NH3SnI3/ PCBM/AL where ITO, NiO, CH3NH3SnI3, PCBM and Al are transparent conducting oxide, hole transporting layer (HTL), absorber layer and electron …
Published in Journal of Nanoscience, NanoEngineering & Applications Read article
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A Review on Increases the Heat Transfer Rate of the Solar Air Heater by Adding the Fins in the Absorber Plate
Abstract: Solar air heaters are extensively utilised in a diverse range of domestic and industrial settings. The need to enhance the thermal efficiency of solar air heaters has prompted researchers to concentrate on enhancing the thermal performance through the implementation of artificial flow modification techniques in the flow field. Consequently, the presence of this phenomenon will disrupt the laminar sublayer located beneath the absorber plate, so contributing to an elevation in …
Published in Trends in Machine design · Vol. 10, Issue 3, 2023 · pp. 8–16 Read article
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A Taguchi approach for determination of parametric dependence in absorber tube of parabolic trough solar collector with roughened surfaces
Abstract: The Taguchi experimental design approach is used in this study to offer the ideal design parameters for the absorber tube with roughened surfaces. In order to determine parametric dependence, passive heat transfer augmentation strategies have been used in the parabolic trough receiver in this article by applying the Taguchi approach. So, for better understanding, two case studies are analyzed using two augmentation technique i.e., wire coil and twisted tape inserts. …
Published in Journal of Thermal Engineering and Applications · Vol. 9, Issue 2, 2022 · pp. 40–47 Read article
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A Review on Microwave Absorber Using Agricultural Residues
Abstract: Agricultural residue-based microwave absorbers are the current trend in the microwave communication field and they are becoming an alternative to the conventional microwave absorber made of ceramic materials. In near future, this eco- friendly microwave absorber will completely change the entire perspective of the microwave communication field. As technology is gradually evolving, there is an eventual need for research and development. This article is constructed in a way to propose …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 8, Issue 1, 2020 · pp. 12–18 Read article
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Electromagnetic Damping in Shock Absorbers
Abstract: In the shock absorber, springs are used as dampers which hold the weight of vehicle, rider(s), and cargo. After certain interval of time, the stiffness of the spring gets reduced due to some parameters e.g. load, oscillation, etc.; because of that, there will be imbalance in the vehicle, which would lead to loss of control and hence major accident. In order to prevent such untorn events, I will present some …
Published in Journal of Microcontroller Engineering and Applications · Vol. 4, Issue 1, 2017 · pp. 12–16 Read article
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Recent developments in Nano technology applications in direct absorbing solar collectors: A Review
Abstract: Solar energy harnessing is widely promoted amongst the nations so as to encourage environment conservation. Use of solar energy is very important in the context of global warming and decrease in carbon dioxide generations. Here it becomes important for the researchers to find new methods for optimum utilization of solar energy in collectors by design modifications thereby reducing heat losses along with considering the reductions in high initial costs. Addition …
Published in Journal of Thermal Engineering and Applications · Vol. 8, Issue 2, 2021 · pp. 23–34 Read article
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Design, Development and Performance of Inverted Absorber Type Solar Dryer System for Red Chilli
Abstract: AbstractDrying process has an important role in the preservation of agriculture products. It is defined as a process of moisture removal due to heat and mass transfer. A solar dryer has been designed under the climatic condition of Indore region (Latitude 22.44N and Longitude 75.5 E) of Madhya Pradesh, India. A solar dryer consists of inverted absorber dryer with glass cover and one blower operated by photovoltaic module. The experimental …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 9, Issue 3, 2019 · pp. 13–16 Read article
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Performance analysis of ETL/Absorber and Absorber/HTL Interface Layer on Perovskite (CH3NH3PbX3, X: I) Solar Cell
Abstract: The effectiveness of perovskite solar cells employing perovskite materials such as methyl ammonium lead tri halide (MAPbX3, MA=CH3NH3, X:I) has been investigated in this research with the use of the SCAPS tool. The electrical properties of the MAPbX3 material utilized for the active layer have been calculated through numerical simulation and modelling for various parameters, including open-circuit voltage (Voc), power conversion efficiency (PCE), fill factor (FF), and short-circuit current density …
Published in Journal of Microelectronics and Solid State Devices · Vol. 10, Issue 1, 2023 · pp. 8–14 Read article
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Thermal Performance Analysis of a Solar Dryer-cum-Air Heater with Modified Absorber Surface
Abstract: Abstract The use of solar resource for food drying has always been a food preservation technique which has widely been practised in most parts of the world. The solar drying system utilizes solar energy to heat up air and to dry food substance placed in dryer, which is beneficial in reducing wastage of food products and helps in preservation of the same. Unfortunately, some of the methods practised in the …
Published in Journal of Thermal Engineering and Applications · Vol. 3, Issue 3, 2016 · pp. 34–40 Read article
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Design Optimization of A Riveted Joint Used in Back Plate of A Pendulum Absorber Assembly
Abstract: Riveted joints are widely used for fastening sheet metal components. Cylindrical rivets are generally preferred but due to space constraints in some cases, other geometries are being explored. In this work, a practical case of a rectangular riveted assembly for back plate of pendulum absorber assembly commonly used in modern vehicles for damping secondary vibrations is considered and an iterative simulation study for design optimization has been conducted using finite …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 1, 2015 · pp. 36–50 Read article
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Absorbance, Structural and Morphological Analysis of AgNMs using Leaf Extract of Prosopis Cineraria
Abstract: AbstractThe silver nanomaterials (AgNMs) were synthesized by biodegradable method using the leaf extract of Prosopis cineraria. The green synthesized nanomaterials show the surface plasmonic resonance peak at 441 nm which confirms the presence of AgNMs. The phytochemicals of Prosopis cineraria leaf extract acted as a reducing agent which was corroborated by the infrared spectrum. The electron microscopic analysis substantiates that the AgNMs were spherical in shape with an average size …
Published in Journal of Operating Systems Development & Trends · Vol. 6, Issue 2, 2019 · pp. 21–25 Read article
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Effect of the Absorber Plat Groove Roughness on Performance of Solar Air Heaters
Abstract: An experimental investigation on heat and fluid flow characteristics of fully developed turbulent flow in a rectangular duct having repeated integral transverse chamfered rib-groove roughness on one broad wall has been carried out. The flow Reynolds number of the duct varied in the range of approximately 3000–21000, most suitable for solar air heater. Experimentation has been done on chamfered rib-groove roughness having 60° V groove varying relative roughness pitch of …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 7, Issue 3, 2020 · pp. 34–45 Read article
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MIRDcalc & OLINDA/EXM Dosimetry Software Analysis by SPECT/CT Scan Data of Lu-177 DOTATATE Radionuclide Therapy of NET Patients
Abstract: Accurate dosimetry is essential in nuclear medicine for optimizing radionuclide therapies and ensuring patient safety. In Radiopharmaceutical dosimetry the Medical Internal Radiation Dosimetry (MIRD)Society is the pioneer in organ-level dosimetry providing the fundamental basis for commonly used clinical and research dosimetry software like MIRDOSE and OLINDA/EXM. Recently, in MIRD Pamphlet No. 28, Part 1, the MIRD committee of the Society of Nuclear Medicine and Medical Imaging presented a new Software …
Published in Journal of Nuclear Engineering & Technology · Vol. 15, Issue 2, 2025 · pp. 48–63 Read article
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Experimental testing of spring for absorption of sudden impact on spring (Transmissibility)
Abstract: Shock absorber is used to sustain & absorb the shock & jerk during working / running condition of machine / Vehicle. This test rig is used to study performance of shock absorber at different operating speeds. This paper presents systematic Experimental investigations increasing dynamic load suspension system (coil spring). One of the major differences of this study from previous work is that it includes parametric sensitivity analysis in order to …
Published in Trends in Mechanical Engineering & Technology · Vol. 8, Issue 3, 2018 · pp. 28–32 Read article
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A Review on Solar Air Heater
Abstract: Solar energy has grown in importance in recent years as a result of the negative environmental effects of greenhouse gas emissions from fossil fuel combustion, as well as the rising cost of electricity generation as traditional energy sources become scarce. Solar air heaters are the most straightforward and cost-effective technique to harness solar energy. It converts solar energy into thermal energy for a variety of heating applications, including timber seasoning, …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 9, Issue 1, 2022 · pp. 29–32 Read article
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Performance Optimization of Thin Film Cu(In,Ga)Se2 Solar Cell using BSF Layer
Abstract: This research work offers numerical analysis of CIGS solar cell designing an ultrathin absorber layer. The CIGS structure is outperformed from the theoretical and experimental evaluation considering the physical properties, dimensions and thickness of various layers of solar cell. Concentration of gallium within CIGS (Cu (In, Gа) Sе2) has major influence on the efficiency attributed to CIGS based solar cell and maximum power conversion efficiency of 27.26% is attained by …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 11, Issue 2, 2021 · pp. 19–26 Read article
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Numerical Simulation and Performance Characteristics of Solid-state Dye-sensitized Solar Cell using SCAPS 1D
Abstract: In this research article, we studied the optimization and performance of a titanium oxide (TiO2) working electrode for the manufacture of solid-state dye sensitized solar cell (so-DSSC). The structure of solid-state dye sensitized solar cell used in current work is composed of FTO/TiO2/N719/PEDOT: PSS/Pt. The only variable for simulation is absorber layer. The computational simulation findings indicate that parameters of solid-state DSSC such as VOC, JSC, FF and PCE are …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 23, Issue 2, 2021 · pp. 1–11 Read article
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Removal of Chloride from Ground Water Using Natural Adsorbent: Water Hyacinth
Abstract: Groundwater contaminants in rural areas often include chlorides and hardness. Nowadays, due to water scarcity, there is a need to utilize groundwater for construction purposes. According to IS 456:2000, the chloride content in water used for mixing and curing concrete must not exceed 2000 mg/l for plain concrete and 500 mg/l for reinforced concrete work. An excess amount of chloride in water causes the deterioration of structures. Concrete durability and …
Published in International Journal of Pollution: Prevention & Control · Vol. 2, Issue 1, 2024 · pp. 49–55 Read article
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Computation of Indium concentration in Indium Gallium Arsenide semiconductor at Terahertz frequency
Abstract: Concentration of indium in indium gallium arsenide (InxGa1-xAs) is computed at optical signal having wavelength 589 nm . Reflection as well as absorption losses are considered to obtain the transmitted intensity. Analytical result showed that reflectance increases with increasing of indium concentration, where absorbance decreases with the same concentration. An experimental set up is designed to find out the transmitted intensity, which leads to the computation of concentration of indium …
Published in Journal of Microelectronics and Solid State Devices · Vol. 1, Issue 1, 2015 Read article
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Recent Advancements in Quantum Dot Sensitized Solar Cells
Abstract: In the last few decades, Quantum Dot Sensitized Solar Cells (QDSSCs) have attracted attention of researchers worldwide and extensive work has been done to improve the efficiency of the solar cell.QDSSCs is considered as the best alternative to the other solar cell devices due to its photovoltaic properties with the combination of miniaturization. The best property of quantum dot is the size and bandgap tunability and it makes quantum dots …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 23, Issue 3, 2021 · pp. 1–10 Read article