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1574 articles for “Point”
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Role of Chemistry in Sustainable Development
Abstract: Science achieved medicinal unrest till about the center of twentieth century wherein medications and anti-infection agents were found. The world's sustenance supply likewise expanded massively because of the disclosure of half and half assortments, improved techniques for cultivating, better seeds, and utilization of bug sprays, herbicides and manures. The personal satisfaction on earth turned out to be vastly improved because of the disclosure of colors, plastics, beauty care products and …
Published in Journal of Catalyst & Catalysis · Vol. 6, Issue 3, 2019 · pp. 9–13 Read article
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Recovery of Liquid Hydrocarbon Fuels from Polypropylene Waste Plastics via Catalytic Pyrolysis
Abstract: Process of pyrolysis is a thermo-chemical method conducted at high temperatures and usually in presence of catalysts. Dissimilar type of natural and synthetic catalysts are used for alteration of organic wastes into cherished fuels. The aim of this work is conversion of waste production of liquid fuel using catalyst that produced from rice husk ash. Waste plastic was pyrolyzed at temperature range 430-470oC and obtained products were liquid fuel, gas …
Published in Journal of Catalyst & Catalysis · Vol. 7, Issue 1, 2020 · pp. 33–48 Read article
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Improved Gasoline Yield from Fluid Catalytic Cracker Riser Reactor
Abstract: The study focused on improvement and conversion of vacuum gas oil as feedstock to fluid catalytic cracker riser reactor with enhanced yield of gasoline, liquefied petroleum gas and fuel gas products and low yield of coke as undesired product. Thus, steady state performance models were developed for riser reactor as a plug flow reactor using five lump kinetic scheme to study the cracking operations. Models were developed for the riser …
Published in Journal of Catalyst & Catalysis · Vol. 9, Issue 3, 2022 · pp. 1–14 Read article
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Utilization of Pond Ash as a Partial Replacement of Fine Aggregate Using Alccofine in Conventional Concrete
Abstract: Pond ash is the byproduct and is produce from coal plants. These plants release byproduct in major quantity which effects the environment. In this paper, an experimental work has been done on the conventional concrete with pond ash as replacement of fine aggregate. The grade of the concrete is M-40 and nine concrete mixes named as F1, F2, F3, G1, G2, G3, G4, G5 and G6 were prepared with different …
Published in Journal of Construction Engineering, Technology & Management · Vol. 7, Issue 2, 2017 · pp. 12–16 Read article
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Analysis of Time and Cost Overruns in Road Project
Abstract: Management of the risk is the best approach during construction of road project, wherein numbers of unforeseen factors are involved. The project under consideration is the construction of 30 m wide road from Wadalagaon to Takligaon under the jurisdiction of Nashik Municipal Corporation. The road construction was started especially to cater the huge crowd likely to occur during Sinhastha Kumbha Mela, which comprises of laying of water supply, storm water …
Published in Journal of Construction Engineering, Technology & Management · Vol. 6, Issue 2, 2016 · pp. 52–57 Read article
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Probabilistic Sensitivity Analysis of Cover Quantity and Quality of Reinforced Concrete Structures
Abstract: Design procedures based on current specifications do not always ensure required service life, mostly due to the environmental effect, error at the time of construction and underestimated cover properties at the time of design. Moreover, single-point value of any property does not provide rational support to the decision maker. Statistical resampling technique for each of the cover properties used to find out the service life of the structures is thus …
Published in Journal of Construction Engineering, Technology & Management · Vol. 2, Issue 1-3, 2012 · pp. 48–53 Read article
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Analysis of Proposed Diagrid Geometry Using Golden Ratio in Non-linear Regime of Material
Abstract: Lateral loads are critical in the design of high-rise structures. The buildings need to have high stiffness and must be able to resist lateral deformations and torsional rotations without having discomfort to the user. Diagrid structural system is one of the systems used in resisting lateral forces. In this study, diagrid geometry is generated using the ‘Golden Ratio’ concept and used to model 40, 50, and 60 story structures. Two …
Published in Journal of Construction Engineering, Technology & Management · Vol. 11, Issue 2, 2021 · pp. 1–11 Read article
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Bidding Strategy and Risk Rating Guidelines for Construction Contractors
Abstract: Due to intense competition, contractors are compelled to place bids with minimal profits to remain in the market. If a contractor intentionally or unintentionally submits a bid with an unrealistically low price, the probability of obtaining a construction contract rises, however it will directly result in cost estimation error and affect the profitability of the contractor, this article provides guidelines to the contractor in pre-bidding stage. This also focusses on …
Published in Journal of Construction Engineering, Technology & Management · Vol. 13, Issue 1, 2023 · pp. 1–6 Read article
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A Comparative Investigation of the Speed Regulation Capabilities of Electric Drives for Domestic and Agricultural Applications
Abstract: Performance enhancement of electric drives is an area of major concern in present day applications. In domestic sector and agricultural applications, conventional type of motors like Single Phase Induction Motors (SPIM) are still used, the dynamic performance and efficiency of which are poor. Replacing such motors with highly efficient Switched Reluctance Motor (SRM) will improve the performance as well as conserve the energy. This paper mainly focuses on the speed …
Published in Journal of Control & Instrumentation · Vol. 9, Issue 1, 2018 · pp. 1–9 Read article
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Optimal Selection of Solar Tracking System in India: A Review
Abstract: At present, continuous efforts are being made to maximize the utilization of the solar energy and increase conversion efficiency of the PV array. Maximum Power Point Tracking (MPPT) is a technique that is extensively used to track the sun so as to obtain maximum power. We review the various methodologies and techniques that have been used so far to design both single and dual axis solar trackers using MPPT. Keeping …
Published in Journal of Control & Instrumentation · Vol. 8, Issue 3, 2017 · pp. 17–29 Read article
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Microgrid System Control Identification and Evaluation for Enhanced Dynamic Operation
Abstract: Networking the distributed generators (DG) in a microgrid system involves a large number of electronic components and filters. Small changes or drifts in operating conditions as well as disturbances at the point of common coupling can excite the associated eigenvalues giving rise to slowly growing instability in the system. This article considers the stability of a microgrid system consisting of a micro alternator, wind generator, photovoltaic (PV) system, fuel cell …
Published in Journal of Control & Instrumentation · Vol. 9, Issue 1, 2018 · pp. 33–44 Read article
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Temperature Control of Heat Exchanger using Sliding Mode Control Law
Abstract: Shell and tube heat exchanger system is widely used in chemical plants as it sustains wide range of temperature and pressure. The main purpose of heat exchanger is to transfer heat from a hot fluid to a cooler fluid, so temperature control of outlet fluid is having prime importance. To control the temperature of outlet fluid of shell and tube heat exchanger, a conventional PID controller can be used. But …
Published in Journal of Control & Instrumentation · Vol. 6, Issue 1, 2015 · pp. 14–26 Read article
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Real-Time Temperature Control System and Performance Exemplification with Conventional PID
Abstract: In process control industries, automatic controllers are introduced. PID (Proportional-Integral-Derivative) controllers are the work horses of many industrial controller applications. Significant research work has been carried out to improve the performance of closed loop response with a PID controller so that it can be used for real time temperature control system. Also performance of a PID controller is investigated for different performance metrics such as Integral Square Error (ISE), Integral …
Published in Journal of Control & Instrumentation · Vol. 6, Issue 1, 2015 · pp. 31–36 Read article
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Real Time Implementation of Cascade Process using NI ELVIS in LabVIEW
Abstract: The main objective of this work is to enforce PID controller in a real time process, and to find out the best robust control settings for cascade process. In this work, process variable level is controlled in a cascade mode. Level and flow are considered as primary and secondary variable, respectively. Process models of flow and level are identified as First order plus dead time models. Validated model is used …
Published in Journal of Control & Instrumentation · Vol. 6, Issue 1, 2015 · pp. 37–43 Read article
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Automation of Heat Exchanger System using DCS
Abstract: Heat exchangers are built for efficient transferring heat from one fluid to another. They have an extensive demand in areas such as petroleum, refineries, chemical plants, petrochemical plants, natural gas processing, refrigeration, power plants, air conditioning, space heating and process industry. Automation of Heat exchange can be done optimally using PID Block. Using PID function block the outlet fluid temperature can be maintained as desired. The automation of Shell and …
Published in Journal of Control & Instrumentation · Vol. 5, Issue 1, 2014 · pp. 22–28 Read article
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Innovation of 5G Technology: Evolution and Revolution
Abstract: In this study, an endeavor has been made to audit different existing ages of versatile remote innovation regarding their entries, execution, points of interest and hindrances. The study illuminates the advancement and improvement of different ages of versatile remote innovation alongside their hugeness and favorable circumstances of one over the other. In the previous couple of decades, versatile remote innovations have experience 4 or 5 ages of innovation upheaval and …
Published in Journal of Control & Instrumentation · Vol. 10, Issue 3, 2019 · pp. 1–8 Read article
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Face Recognition Attendance System: A Review
Abstract: The distinctiveness or individuality of an individual face is the representation of one’s identity. In this mission, face of a character is used for the reason of attendance making robotically. Attendance of the pupil could be very essential for each college and university. The conventional technique for taking attendance is through calling the name or roll variety of the scholar and the attendance is recorded. Time intake for this cause …
Published in Journal of Control & Instrumentation · Vol. 11, Issue 2, 2020 · pp. 17–22 Read article
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Performance Evaluation of Sliding Mode, Fuzzy Logic and PID Controllers for Twin Rotor MIMO System
Abstract: In twin-rotor MIMO system, two-different rotors need to be controlled by taking the impact of one rotor on the another leading to couplings. Due to the cross-coupling effects between main rotor and tail rotor of twin-rotor MIMO system, its regulation is a challenging task. The state-variable models of the Twin-rotor MIMO system are discussed in detail. The vertical and horizontal equivalent sub-systems are obtained using the above state-variable formulation taking …
Published in Journal of Control & Instrumentation · Vol. 13, Issue 2, 2022 · pp. 36–62 Read article
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Operational Planning and Allocation of Distributed Generation in Distribution System: A Review
Abstract: Distributed generation refers to the generation of electricity from a variety of small, decentralized energy sources that are located close to the point of use, rather than relying solely on large, centralized power plants. These small-scale power sources can include renewable energy technologies like solar panels, wind turbines, and micro-hydro systems, as well as conventional fossil fuel generators or combined heat and power (CHP) systems. Distributed generation systems can be …
Published in Journal of Control & Instrumentation · Vol. 14, Issue 2, 2023 · pp. 24–29 Read article
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Investigation of Physical Characteristics and Machining Parameters of Improved Al-SiC MMC Using Dry EDM Process for Aerospace Industries
Abstract: Aluminium-based composite is widely used in aerospace and automobile industries because it is lighter in weight; but the trouble is that it is easily worn-out and life of the components is decreased. To overcome these problems, aluminium silicon carbide composite material has been developed with good wear-resistance, hardness and lighter weight. Silicon carbide has good mechanical properties like wear resistance, hardness, toughness and high melting point. Silicon carbide weight fractions …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 1, 2018 · pp. 15–32 Read article