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332 articles for “retting”
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Evaluation of Green Rating System for Building
Abstract: Civil Industry is a rapidly growing industry in this is due to the country's huge economic, social, and infrastructural development. This development of the construction industry leads to a negative impact on the environment and harms human beings. Hence, to reduce this the concept of ‘Green Building Technology is put forward in recent years. Green Building Technology is a rating system adopted worldwide which provides unique guidelines to make construction …
Published in International Journal of Construction Engineering and Planning · Vol. 9, Issue 1, 2023 · pp. 39–45 Read article
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Study on Properties of Concrete Cured With Poly Ethylene Glycol-600
Abstract: After water, concrete is the most using material globally. Without concrete, the world is unimaginable. The foundation of civilization is concrete. Coarse aggregate, cement ,fine aggregate and water are the main ingredients in concrete, which requires curing to attain its strength. Concrete must therefore cure for 28 days in order to complete the necessary hydration, desired strength. For the traditional curing processes, a lot of water is needed. This becomes …
Published in International Journal of Concrete Technology · Vol. 8, Issue 2, 2022 · pp. 14–21 Read article
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Studies on Molecular Electronics
Abstract: This article is study of molecular electronics to circumvent usual scope, as of, lithographically adjective constitutive proclaim. Molecular electronics has been interdisciplinary study among physics, chemistry, and material science. Ethical has been to unify feature as molecular building block fabricate to assign as electronic components. Lithographic removal of bulk has reticulated synergism under miniature scope scheme i.e., growing individual molecular block by chemical process. Thus, top-down lithography has substitutive apt …
Published in International Journal of Analog Integrated Circuits · Vol. 7, Issue 2, 2021 · pp. 1–4 Read article
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Antenna for S-Band Application Utilizing Flexible Material
Abstract: ABSTRACT In this article, antenna for S-band application has been simulated for the frequency range of 3.5 to 8.5 GHz. CST software is utilized to design the anticipated antenna with materials which have a dielectric constant of 1.7. The return loss of bending antenna is -20 dB at 5.89 GHz resonant frequency. It covers the bandwidth from 3.87 GHz to 8.07 GHz which is approximately 70%. In this proposed antenna, …
Published in International Journal of Broadband Cellular Communication · Vol. 5, Issue 1, 2019 · pp. 1–4 Read article
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DESIGN OF TRUNCATED SQUARE MICROSTRIP ARRAY ANTENNA FOR ENERGY HARVESTING
Abstract: ABSTRACTAn 2X2 array of truncated square microstrip antenna is proposed in this paper. Antenna is designed for energy harvesting. This proposed antenna has a bandwidth for VSWR < 2 from 2.36 to 2.58GHz. A single antenna was designed initially at 2.4GHz, then array of the antenna was designed with the same frequency and results were compared. Four truncated antennas were used in the designing of the proposed antenna, microstrip feed …
Published in International Journal of Broadband Cellular Communication · Vol. 5, Issue 2, 2019 · pp. 10–16 Read article
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Ingenious Parking System based on IoT
Abstract: The internet of Things (IoT) is in a position to attach billions of devices and services at any time in anywhere, with various applications. Recently, the IoT became an emerging technology. A metropolitan city has over a million of cars on its roads but it does not have enough parking space or it is difficult to seek out a parking lot. However, this paper proposes a modern solution to such …
Published in International Journal of Broadband Cellular Communication · Vol. 7, Issue 1, 2021 · pp. 9–13 Read article
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An efficient design approach of 5-bit digitally controlled phase shifter using 130nm SiGe based BiCMOS technology for Ka –band applications
Abstract: This paper present 5-bit digital controlled phase shifter using 130nm SiGe based BiCMOS technology. Three different approaches have used to achieve the desired phase shift with low insertion loss, accurate phase shift with good input and output return loss. The 180◦bit of phase shifter has design using switch network topology. Bridge-T network topology has used for designing of 22.5◦, 45◦ and 90◦.Band pass topology has used for designing of 11.25◦. …
Published in International Journal of Broadband Cellular Communication · Vol. 7, Issue 2, 2021 · pp. 7–13 Read article
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A state of art design technique of broadband Active/Passive SPST switch using 130nm SiGe BiCMOS technology
Abstract: This paper presents the state of the art for new ultra-wideband active/passive RF SPST switches that can not only reduce insertion loss or potentially generate gain, but also significantly increase isolation. The proposed active/passive ultra-wideband RF SPST switch design using 130 nm SiGebased BiCMOS technology. This switch operates from 5 GHz to 45 GHz with high isolation and low gain/loss Two identical SPST switches and a broadband active balun make …
Published in International Journal of Broadband Cellular Communication · Vol. 8, Issue 1, 2022 · pp. 13–19 Read article
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A Novel Design of Multiple Band H – Shape Slot Antenna For Radar Communication
Abstract: A compact multiple band patch feed H–shape slot antenna for RADAR application is designed and presented in this paper. The proposed H - shaped slot antenna is built on a FR4 substrate with a length of 32.248 mm and dielectric constant of 4.4, thickness of 3.432 mm, width of 36.51 mm and loss tangent of 0.018. The proposed antenna is designed over a frequency range of 1.0 to 8.0 GHz. …
Published in International Journal of Digital Communication and Analog Signals · Vol. 1, Issue 1, 2015 · pp. 29–35 Read article
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High frequency design approach and feasibility study of HBT based W-band (90.0GHz-100.0GHz) amplifier using 130nm SiGe based BiCMOS technology
Abstract: This paper present high frequency design approach and feasibility study of HBT (Hetero Junction Bipolar Transistor) based two stage cascode amplifiers at W-band (90.0GHz-100.0GHz). The proposed amplifier has design using 130nm SiGe based BiCMOS technology. This paper used low cost technology for designing of w-band amplifier and this is novelty of this paper. The schematic design and feasibility study has been carried out using Cadence software. The selection of active …
Published in International Journal of Digital Communication and Analog Signals · Vol. 7, Issue 2, 2021 · pp. 1–7 Read article
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Performance Assessment of SCADA based Wind Turbine: Condition Monitoring Approaches
Abstract: This paper is a Review paper .Condition monitoring is nothing but health assessment of equipment. Like human being, the equipments also need a doctor for periodic check of health in order to keep their health in good condition . Diagnostic is a term with regard to identify disease of human being. The same term is used in industry with respect to find any disorder in any equipment .Overhauling and retrofitting …
Published in International Journal of Electrical Power System and Technology · Vol. 1, Issue 2, 2015 · pp. 1–9 Read article
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Application of Rectangular Patch Antenna for a Moisture Content Sensor
Abstract: Micro-strip patch antenna is a low cost, easy to fabricate, light weight which is used for transmit and receive electromagnetic wave. This paper tells about the micro-strip rectangular patch antenna moisture sensor for different types of rice which are basmati rice and ambemohar rice both are easily available in Indian market and it has been measured by using two different substrate RT-duroid 5880 and FR4 lossy. A relationship is to …
Published in International Journal of Microwave Engineering and Technology · Vol. 1, Issue 1, 2015 · pp. 5–9 Read article
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DESIGN AND ANALYSIS OF ITERATED STAR SHAPED STAR SLOTTED FRACTAL ANTENNA
Abstract: In this paper, A Novel star shaped iterated fractal antenna with circular slot in midway is proposed. Proposed antenna is very small in size and ground of antenna also defected by cutting approximately half PEC material. In this proposed antenna number of iterations has been applied. This proposed Antenna is simulated by CST-MWS (Computer Simulation Technology – Microwave Studio) and different simulated results are analyzed. The self similarity property of …
Published in International Journal of Microwave Engineering and Technology · Vol. 1, Issue 2, 2015 · pp. 1–6 Read article
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Augmentation in Parameters of S Band Microstrip patch Antenna using Metamaterial with Varactor Diode
Abstract: In this paper S band rectangular microstrip patch antenna is designed and its parameters like return loss, band width, VSWR, directivity, radiation efficiency and size reduction are analysed. Then a metamaterial structure of “Split rectangular Rings” with thin wire strip is designed such that it exhibits negative permittivity and negative permeability at the same frequency as that of inset fed rectangular microstrip patch antenna. Here “Nicolson ross wear” (NRW) parameters …
Published in International Journal of Microwave Engineering and Technology · Vol. 3, Issue 2, 2017 · pp. 32–40 Read article
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Design a Compact Microstrip Patch Antenna on a Center Frequency of GSM Band with DGS for Gain Enhancement
Abstract: In this paper, a compact dual band microstrip patch antenna has been designed on a center frequency of GSM band (800–900 MHz) and (1800–1900 MHz) using the DGS technique. The resonating frequency of this antenna 0.845 and 1.850 GHz, the proposed antenna is designed on an FR4 lossy substrate with dielectric constant 4.3, thickness 1.6 mm and loss tangent 0.02. The main objective of this paper is to increase the …
Published in International Journal of Microwave Engineering and Technology · Vol. 3, Issue 2, 2017 · pp. 1–6 Read article
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Designing and Simulation of Dual Band Antenna using CPW Feeding
Abstract: ABSTRACTA dual-band antenna is proposed in this paper based on a coplanar waveguide feeding technique. This proposed antenna has 70 MHz and 426 MHz maximum bandwidth and they radiate at 1.5 and 2.56 GHz. Maximum return loss and average gain is -40 dBi and 3.0 dBi. A proposed monopole antenna is a combination of slotted rectangular and triangular-shaped structures. A 90-degree inclined T shaped stub was used to provide upper …
Published in International Journal of Microwave Engineering and Technology · Vol. 6, Issue 1, 2020 · pp. 7–13 Read article
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Gain Enhancement with Microstrip Patch Antenna Array and Slot
Abstract: ABSTRACTIn this study, a microstrip fed patch antenna array for application in the ISM band was implemented using the HFSS software. A slot antenna array was designed with the purpose of gain enhancement as well as reduction of return loss. There is some fluctuations from the desired design frequency due to some designing error and some imperfection in the impedance matching at the feeding point which can be further be …
Published in International Journal of Microwave Engineering and Technology · Vol. 6, Issue 1, 2020 · pp. 18–26 Read article
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Design and Analysis of “AKK” Shape Slot Antenna for S-Band Application
Abstract: An S-band patch feed Tamil letter “AKK” shape slot antenna for RADAR application is designed and presented in this paper. The proposed “AKK” shaped slot antenna is built on an air substrate with dielectric constant of 1.0006, a dimension of patch 40.5*40.5 mm, thickness of 1.6 mm, and loss tangent of 0.00827. The proposed antenna is designed over a frequency of 3.5 GHz. The antenna is designed and simulated using …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 1, Issue 1, 2015 · pp. 39–44 Read article
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Designing of Circular Patch Dual-Band Antenna for L- Band Applications
Abstract: ABSTRACTIn this paper, a circular patch with symmetric rectangular slots is presented. This circular patch is operating on dual frequencies 1.63 GHz and 1.93 GHz which is significant frequencies for various L-band applications. Implemented stub lines between the circular patch played a vital role in reducing the size of the antenna and the parameters as compared to other available antenna at the same frequency of operation. -10dB band width of …
Published in International Journal of Telecommunications & Emerging Technologies · Vol. 6, Issue 1, 2020 · pp. 1–13 Read article
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Advancement of Nanotechnology in Batteries
Abstract: As energy source used by most devices such as smart phones, cameras or computers are Lithium batteries, they are becoming the indistinguishable feature of everyday modern civilization. The higher power efficiency was most appealing attribute when opposed to certain redox power devices. It gives rise for significant concern well into the production of hybrid lithium ion batteries for electric automobiles. At higher density lithium constitutes its ideal anode element in …
Published in International Journal of Energetic Materials · Vol. 6, Issue 2, 2020 · pp. 18–24 Read article