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225 articles for “Sun”
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Comparison study on effect of ethanol and HOME biodiesel blends on the Performance and emission characteristics of CI engine with and without Preheat
Abstract: The internal combustion engines used in Propulsion, Transportation and marine applications, will leads to socio economical growth of any country. The emissions from the fossil fuels leads too several environmental issues like inexperienced homes impact, gas depletion etc. This paper depicts the use of biodiesel as an alternative source of energy for an IC engine. The experimental investigation were carried out on single cylinder 4-stroke compression Ignition (CI) engine operating …
Published in International Journal of Chemical Separation Technology · Vol. 4, Issue 2, 2018 · pp. 19–26 Read article
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Equilibrium and kinetic studies on reactive extraction of lactic acid
Abstract: Abstract: Lactic acid has became a growing requirement in various fields so reactive extraction has been employed to recover by using tri pentyl amine and tertiary butyl amine in different diluents (1-octanol, chloroform and dimethylene chloride). Physical and chemical equilibrium isotherms, KD, loading ratio (Z) were measured through equilibrium studies for (1:1) and (2:1) acid amine complex formation at room temperature. By conducting kinetic studies in batch type reactive system …
Published in International Journal of Chemical Separation Technology · Vol. 4, Issue 2, 2018 · pp. 35–46 Read article
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Determination of the Flow Velocity Resistance in Non- Submerged Woody Plants
Abstract: Vegetation on the bank of a river or stream has a major influence on resistance, velocity distribution,and turbulence force. The resistance to flow in open channels depends on different channel and flow parameters. Out of many factors, vegetation is the mainly important parameter in open channels. In this study have been five points to measure the velocity in the channel. The experimental work has been done by a rectangular channel …
Published in International Journal of Environmental Chemistry · Vol. 8, Issue 1, 2022 · pp. 1–7 Read article
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Mechanical Studies and Thermal Kinetics of Isoniazid Crystals
Abstract: Single crystals of isoniazid were crystallized by slow solvent evaporation method. The crystal structure was confirmed using single crystal X-ray diffraction analysis. Micro hardness was estimated and work hardening coefficient and Newtonian resistance pressure of the crystal were determined. Kinetic analysis of the thermogravimetric data was carried out by using Coats-Redfern relation. Activation energy, frequency factor and order of reaction were also calculated. Arrhenius equation for isoniazid is k=0.43×105e–79103/RT mol–1s–1. …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 1, Issue 1, 2015 Read article
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Investigation into the Kinetics of Biodegradation of Crude Oil Hydrocarbon in Different Soil Types Using Aloe Vera
Abstract: A pilot study was conducted on three different soil type contaminated with crude oil bio-simulated with Aloe vera juice to examine the effect of the stimulant on the rate of degradation of the crude oil by the indigenous microbes. Soil contaminated with crude is deficient of the essential nutrients which are needed to boast the activities of the microbes which feed on the crude. These nutrients are found in Aloe …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 4, Issue 2, 2018 · pp. 10–21 Read article
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Fundamentals of Mass Transfer Operations
Abstract: Mass transfer operation is one of the most important subjects in chemical engineering. It contains concepts of diffusion, mass transfer coefficient and interface mass transfer. Also important unit operations such as distillation, absorption, extraction, crystallization, drying, humidification and dehumidification are covered in mass transfer operation. We come across these unit operation in our domestic applications and day to day life. These unit operations can be intensified to improve the cost …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 6, Issue 1, 2020 · pp. 15–18 Read article
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Synthesis of Various Products from Different Feed Stocks–an Insight Into Application of Biotechnology
Abstract: Synthesis of various products in energy efficient manner with minimum environmental foot print is important area of research in chemical engineering. Chemical pathways are energy intensive and many of the reactions are high temperature reactions. Many compounds like ethanol, amino acids, and acetic acids can be synthesized by biological methods. Biochemical reactions are low temperature reactions under mild conditions. Use of waste material as feedstock for production of useful compounds …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 7, Issue 2, 2021 · pp. 18–21 Read article
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Theoretical Insights Into Structure, Electronic Properties, and Ion-pair Interactions In Organopalladium Salts [Pd(p-XC6H3CHMeNH2) (tmeda)] [BF4] AND [Pd(p-XC6H3CHMeNH2) (tmeda)] [PF6] (X = H, F, Me)
Abstract: The geometries of organopalladium salts [Pd(p-XC6H3CHMeNH2) (tmeda)] [BF4] and [Pd(pXC6H3CHMeNH2) (tmeda)] [PF6] (X = H, F, Me) (I-VI) have been optimized using BP86 and TPSS density functional at dispersion corrected DFT-D3(BJ) method. The optimized geometries of the salt [Pd(C6H4CHMeNH2) (tmeda)] [BF4] using TPSS functional in methanol slvent is in good agreement with available experimental data. The N1-Ha bond distances are longer than the N1-Hb bonds. The counterion strongly affects the …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 9, Issue 1, 2023 · pp. 11–21 Read article
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Effect of Compression Pressure on the Strength and Fuel Properties of Maize Cob Briquettes
Abstract: Biomass can be densified under a high compression pressure or a low compression pressure. The type of raw material, moisture level, particle size, and form typically all influence how much pressure should be used. This study utilized maize cobs and waste paper pulp to produce briquettes which are seen as alternative fuels. The goal was to determine how compression pressure affected the strength and fuel characteristics of the briquettes that …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 8, Issue 1, 2022 · pp. 16–24 Read article
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Novel method for determination of kinetic constants from dynamics in a batch reactor with constant heat input rate
Abstract: In this article a novel method of obtaining reaction kinetic constants is described. It consists of measuring both concentration and temperature dynamics in a batch reactor supplied with a constant heat input rate. A system of esterification reaction between acetic acid and methanol in the presence of a cationic resin catalyst is studied. This reversible reaction’s rate is modeled by molecular order and as pseudo homogeneous assumption. By just one …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 5, Issue 1, 2019 · pp. 19–23 Read article
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Foreign Material Detection for Scallion Processing Industry Using HSV Color Space
Abstract: In this paper, an optical foreign substance detection system is designed to address the problem of foreign substances mixed in food. The five color spaces of RGB, HSV, YCrCb, CIELab, and CIELuv are compared by using scallion images and non-scallion images to seek the color space that is the most suitable for the scallion processing. The designed image algorithms are given to filter out food raw materials and background images. …
Published in International Journal of Image Processing and Pattern Recognition · Vol. 8, Issue 2, 2022 · pp. 33–50 Read article
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A Survey of Wireless Network System
Abstract: The directions to propose new frontiers in Wireless Network (WN) are designed in this paper. The methodologies are discussed by its scientific development. The flow to research on wireless security and efficiency are presented in this paper the performance analysis is referred as the practical WN protocol. The high data rate has been increasing since the initiation of WN. The nodes, wireless and channels are the key terms over the …
Published in International Journal of Broadband Cellular Communication · Vol. 4, Issue 2, 2018 · pp. 30–39 Read article
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Horn Antenna Analysis and Simulation for the High-Frequency Electromagnetic Compatibility Band 18-40 GHz
Abstract: An antenna is a type of transducer that converts radio signals into alternating electromagnetic waves before transmitting them into space. Polarization is a phase in the selection and installation of an antenna. It can send and receive signals. An antenna is a metal structure that transmits or receives electromagnetic radiation. The antenna, on the other hand, connects the directing device to free space. It sends a signal from the generator …
Published in International Journal of Broadband Cellular Communication · Vol. 9, Issue 1, 2023 · pp. 10–24 Read article
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Discrete Analysis of Neural Network
Abstract: Network by neural is the continuous process in the modern electronic world. This paper deals with the discrete presentation of neural network. The variables of neural networks are distributed discretely, and its probabilistic study is demonstrated as the advantage of the system of neural networking.
Published in International Journal of Digital Communication and Analog Signals · Vol. 3, Issue 2, 2017 · pp. 15–17 Read article
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A Public Key Cryptosystem Based on Discrete Logarithm Problem
Abstract: In this paper, we formulate another discrete logarithm problem (ADLP) and designed a new public key cryptosystem (PKC). We also proved, this ADLP involves some old DLPs (ODLP) but the complexity of our proposed DLP is different from the ODLP. Thus, the security is better as compare to the ODLP based PKCs. Mathematics Subject Classification NO.: 94A60.
Published in International Journal of Digital Communication and Analog Signals · Vol. 3, Issue 2, 2017 · pp. 18–20 Read article
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Wireless Network Model: From Analog to Digital
Abstract: The directions to propose new frontiers in Wireless Network (WN) are designed in this paper. The methodologies are discussed by its scientific development. The flow to research on wireless security and efficiency are presented in this paper. The performance analysis is referred as the practical WN protocol. The high data rate has been increasing since the initiation of WN. The nodes, wireless and channels are the key terms over the …
Published in International Journal of Digital Communication and Analog Signals · Vol. 4, Issue 2, 2018 · pp. 29–38 Read article
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Streamlining Healthcare Operations- Exploring MedBed, an Advanced Hospital Management System
Abstract: MedBed is a hospital management system that runs on the web, aiming to optimize hospital operations, enhance productivity, and elevate the quality of patient care. Its interface is user-friendly and empowers medical personnel to manage patient information, book appointments, maintain electronic health records, track inventory, and manage billing. In this article, we will delve into the creation and deployment of the MedBed system, emphasizing its crucial aspects and advantages. Additionally, …
Published in International Journal of Digital Communication and Analog Signals · Vol. 9, Issue 1, 2023 · pp. 1–5 Read article
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Design and Fabrication of Shock Absorber for Electric Power Generation Using Rack & Pinion
Abstract: A variation automotive suspension system called a regenerative shock absorber uses endless power, like electricity, to transform parasite discontinuous mechanical power and vibration. In a simple shock absorber, excess potential is simply released as heat. In our research, we make use of an alternator, rack and pinion system, and suspension system. A spring being strained as the shock absorber effect develops. Because of rack is meshing with the axle and …
Published in International Journal of Electrical Power System and Technology · Vol. 8, Issue 1, 2022 · pp. 57–61 Read article
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Existence of Ψ- Bounded Solutions for First Order Matrix Difference System on Z
Abstract: ABSTRACT In this paper a necessary and sufficient condition for the existence of
Published in International Journal of Embedded Systems and Emerging Technologies · Vol. 5, Issue 1, 2019 · pp. 6–16 Read article
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COVID-19 Detection Using Decision Tree Support Vector Machine Random Forest.
Abstract: The rapidly spreading novel coronavirus (SARS-CoV-2) presents a substantial global health risk, necessitating swift detection through efficient diagnostic methods. Reports highlight lung-related issues in many COVID-19 patients, and both chest CT scans and X-rays are effective in identification. Chest X-ray (CXR) imaging, due to its convenience, faster imaging, simplicity, and lower cost, stands out. In our study, we applied Decision Tree, Random Forest, and Support Vector Machine to identify COVID-19 …
Published in International Journal of Embedded Systems and Emerging Technologies · Vol. 9, Issue 2, 2023 · pp. 7–21 Read article