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1081 articles for “top-down”
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32-bit Single Cycle MIPS RISC Processor
Abstract: In this report, I have written a Verilog HDL code for the MIPS 32-bit single-cycle RISC Processor and simulate the same. I have derived the result in four points first in terms of resource utilization, an RTL design view, TTL design view, and perform simulation on emulator using machine code. The topics I have cover the report are how to define instruction set for RISC architecture? Designing of various digital …
Published in Current Trends in Signal Processing · Vol. 12, Issue 1, 2022 · pp. 29–37 Read article
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Experimental Investigation On Reactive Distillation Process For Synthesis of iso-amyl acetate
Abstract: Abstract: Reactive Distillation (RD) is a combination of reaction and distillation in a single vessel gives bonuses over conventional sequential approach of reaction followed by distillation or other separation techniques. These processes are better candidates to use it to chemical process industry. These processes proved to offer better selectivity, improved conversion, and superior heat control, operational utilization of reaction heat, choice for problematic separations, huge capital and energy price reductions, …
Published in Emerging Trends in Chemical Engineering · Vol. 6, Issue 1, 2019 · pp. 17–31 Read article
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Synthesis of Biodiesel with Methanol Recovery in Reactive Distillation
Abstract: In the present study, biodiesel was synthesized from waste vegetable oil, methanol and catalyst. The present work investigates the use of reactive distillation for continuous production and separation of biodiesel with recovery of excess methanol as top product of acceptable purity. In order to determine the best conditions for biodiesel production by reactive distillation, process parameters such as molar ratio of oil to alcohol, reaction temperature, catalyst concentration (0.5–1.5 wt …
Published in Emerging Trends in Chemical Engineering · Vol. 3, Issue 1, 2016 · pp. 26–31 Read article
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Design and Control of Acrolein Production Process
Abstract: In this study, the design and control of acrolein production plant has been investigated. The proposed design consists of a reactor and two distillation columns. Propylene reacts with oxygen and produces acrolein, acrylic acid, carbon dioxide and water. Plant wide operability and control of the entire acrolein production plant with decentralized controllers are explained. Tray temperature control loop and composition control loop are designed to infer final product purity. From …
Published in Emerging Trends in Chemical Engineering · Vol. 1, Issue 2, 2014 · pp. 27–34 Read article
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Studies on CO2 Dissolution in Sodium Silicate for the Precipitation of Silica
Abstract: Rice husk is an agricultural residue abundantly available. Rice husk is a fuel having high ash content; major constituent being silica (90%). Extracting silica from Rice husk ash (RHA) not only adds value but also solves disposal problem of large amount of ash. Conventionally silica is extracted from quartz (silica rock) but this route is expensive and required more energy and RHA is the ultimate choice. Alternately Extraction of silica …
Published in Emerging Trends in Chemical Engineering · Vol. 1, Issue 1, 2014 · pp. 70–75 Read article
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Manufacturing of EV Kit for Vehicles
Abstract: No one electric vehicle technology, including battery type, propulsion system, and vehicle design, currently serves as the industry standard. The challenges that competing technical systems must overcome in terms of manufacturing and infrastructural requirements are looked at in this article along with reviews of the top governmental and commercial electric car research initiatives worldwide. An IC engine-powered vehicle is simply converted into an electric-powered vehicle to create the electric scooter. …
Published in Journal of Automobile Engineering and Applications · Vol. 9, Issue 2, 2022 · pp. 59–64 Read article
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Comprehensive Analysis of Electric Scooters: Investigating Challenges, Failures And Component Optimization for Enhanced Urban Mobility.
Abstract: Renewable energy, a global topic of discussion, has made significant strides in preserving our ecosystem. Environmental pollution stands as a critical issue, necessitating proactive measures for mitigation. The emergence of electric scooters represents a positive step towards environmental conservation; however, their acceptance as urban mobility vehicles is hindered by safety apprehensions. This research delves into e-scooter design, aiming to enhance productivity and address challenges. By identifying accidents and operational failures, …
Published in Journal of Automobile Engineering and Applications · Vol. 10, Issue 1, 2023 · pp. 45–60 Read article
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Liability of Photovoltaic-Thermoelectric Hybrid Devices
Abstract: Photovoltaic (PV) modules suffer from the exalted temperature in case of outdoor performance. The losses are about more than 25% depending on the arrangement of the materials on the top. If thermoelectric (TE) converter is integrated with the PV modules, then we can form PV-TE hybrid module where TE converter can produce additional electricity due to the difference of the temperature. Nowadays, it is possible to enhance the efficiency by …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 8, Issue 1, 2017 · pp. 12–17 Read article
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Solutions to Overcome SQ Limits for Modelling Efficient Solar Cell and Introduction to Novel QD-MJSC Design
Abstract: AbstractHarnessing the solar power with maximum energy conversion efficiency can fulfill every electrical demand of the world. Depending on the designing of models, the commercial solar cell is being tested. To harness the entire energy on optimum cost, the material is selected in such a way that the overall outcome become beneficiary. In recent market available solar cell, there are still more criteria to be taken care of to improve …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 10, Issue 3, 2019 · pp. 37–46 Read article
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Development and Performance Assessment of a Prototype Zeer-Pot Refrigerator
Abstract: AbstractThe energy deficient rural areas in several parts of the world are not yet fully electrified are devoid of facilities like refrigeration and thereby limiting the applicability of refrigeration and allied processes. Development of a refrigerator or refrigeration method that needs little to no electricity has been an interesting topic of concern for researchers all over the world and the various investigations among them has reported the effect of evaporative …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 11, Issue 2, 2020 · pp. 41–45 Read article
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Different Types of Control Grid in Solar System
Abstract: This paper gives a concise prologue to photovoltaic (PV) systems, with an emphasis on those that interface with the current electrical grid. The solar modules, intersection box, on-grid inverter, principal board, AC separate, net meter, and electrical grid are only a portion of the parts examined. It represents the qualities of the numerous assortments of solar cells utilized in PV transformation, including monocrystalline, polycrystalline, and undefined silicon cells, and their …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 14, Issue 2, 2024 · pp. 1–7 Read article
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Factors Affecting Building Construction Tendering Costs: Studies of Saudi Arabia
Abstract: AbstractThis study is conducted to assess and rank factors affecting cost at the pre-tender stage for building construction projects in Saudi Arabia. 43 factors affecting opponent cost estimate were identified through literature review and discussion with some construction specialists. The factors were tabulated in a questionnaire form and a questionnaire survey including 32 consultants and 21 owners was performed. The study finds a strong agreement between owners and consultants in …
Published in Journal of Construction Engineering, Technology & Management · Vol. 8, Issue 1, 2018 · pp. 26–33 Read article
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STUDY OF GEO-POLYMER CONCRETE MADE BY USING NATURAL RIVER SAND WITH DIFFERENT POZZOLANIC MATERIAL – A REVIEW
Abstract: Geo-polymer is a new research topic in the construction industry in which cement is fully replaced by pozzolanic materials like fly ash, Ground Granular blast furnace slag, Rice husk ash, silica fume and alccofine etc. activated by highly alkaline solutions to act as a binder in the concrete mix. The result of previous experimental work reveals that normal concrete manufactured with natural river sand replaced up to optimum percentage by …
Published in Journal of Construction Engineering, Technology & Management · Vol. 8, Issue 3, 2018 · pp. 42–50 Read article
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Adoption of Building Information Modeling (BIM) in the Philippines’ AEC Industry: Prospects, Issues, and Challenges
Abstract: Building Information Modeling (BIM) is a modern approach and process used in the architecture, engineering, and construction (AE&C) industry that enhances planning, design, and construction of facilities. In fact, BIM is considered one of the most promising advancements in the AE&C industry. Its usage in other countries has become prevalent and the benefits are remarkable in terms of reduction of time, cost, and material wastage. The Philippines, on the other …
Published in Journal of Construction Engineering, Technology & Management · Vol. 9, Issue 2, 2019 · pp. 8–20 Read article
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Effect of Construction Load on RC Floor Slab
Abstract: In reinforced concrete building structures, floors are added from bottom to top sequentially.The load due to construction of new floor is transferred to the lower floor slab through shoring. Different construction practices are adopted at work sites for the transfer of this load. The effect of construction practices was reviewed. The threshold value for bending moment under construction load is marked to provide the caution against the possible failure of …
Published in Journal of Construction Engineering, Technology & Management · Vol. 7, Issue 2, 2017 · pp. 41–49 Read article
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Building Material Selection Ideology for Sustainability in India
Abstract: Buildings are largest share of consumer of energy and also one of the major producers of greenhouse gases. Buildings are a topic of discussion on an international platform. Sustainability is one of major demands. It may be true that in the current phase, it is just a demand of academicians and people concerned for sustainable development but sooner or later every client will be demanding for sustainable buildings. It will …
Published in Journal of Construction Engineering, Technology & Management · Vol. 6, Issue 3, 2016 · pp. 43–53 Read article
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Monitoring and Forecasting in Construction Projects Using Time Buffer
Abstract: The key to project management is effective performance monitoring and forecasting. The existing methods using input- output cash flow, earned value, etc. do not differentiate between work done on the critical path and work done on non-critical paths. Such methods mask the real situation and mislead the project team because progress on one path often compensate for the delay in other. The paper proposes a more effective method to facilitate …
Published in Journal of Construction Engineering, Technology & Management · Vol. 6, Issue 2, 2016 · pp. 9–16 Read article
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Finite Element Modelling of Rollcrete Concrete Pavement
Abstract: The present study carried out to find the characteristic compressive Strength of Rollcrete (RCC) by using accelerated curing method so as to satisfy the required target mean strength in one day and comparing the same results with the normal curing strength at 28 days.Further, the study is undertaken to design of rollcrete pavements using finite element approach and evaluated the benefit of rollcrete pavement. Considering rutting as a failure criteria, …
Published in Journal of Construction Engineering, Technology & Management · Vol. 6, Issue 2, 2016 · pp. 62–66 Read article
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Maintenance Management in Iraqi Government Buildings
Abstract: Due to the fact that the buildings in general and government buildings in particular, is considered as a national real estate wealth of high value, and to maintain these building, must carry out maintenance work to them. And the reality of the maintenance of government buildings in Iraq is not going according to the real system of management and lack of specialized cadres to carry out the tasks required in …
Published in Journal of Construction Engineering, Technology & Management · Vol. 6, Issue 2, 2016 · pp. 67–74 Read article
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Current Trends and Modernization of Construction Industry in Pakistan
Abstract: The construction industry is the second largest industry of the country after agriculture. However, contrary to its share in local economic market, the development in this sector is not at par with market demands. Though the use of various new technologies and deployment of project management strategies has made it possible to undertake projects of mega scale yet the industry direly needs a developmental strategy that could maintain its competitiveness …
Published in Journal of Construction Engineering, Technology & Management · Vol. 6, Issue 2, 2016 · pp. 116–129 Read article