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1981 articles for “1.25Cr-0.5Mo.” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Design of a Plant for the Production of Ammonia and Urea Using Aspen HYSYS
Abstract: The design of a plant for the production of 1800 MT/Day of ammonia and 1400 MT/Day of urea using aspen HYSYS was carried out in this work. Ammonia is produced through the Haber-Bosch process, where hydrogen and nitrogen react in the presence of a catalyst producing mixture containing ammonia while urea is produced by the reaction between ammonia and carbon IV oxide. In this work, aspen HYSYS, chemical engineering design …
Published in Emerging Trends in Chemical Engineering · Vol. 9, Issue 1, 2022 · pp. 29–44 Read article
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INFLUENCE OF CLIMATIC CHANGES ONTO THE PERFORMANCE OF ELECTRIC VEHICLES: APPLICATION TO DRIVING RANGE
Abstract: The paper has the goal of developing a methodological process to predict electric vehicle driving range under the influence of sudden temperature changes in intercity routes due to variable climatic conditions. The model is based on the combined effects of discharge rate and temperature changes on the performance of a lithium battery; the model predicts the driving range using the dynamic driving conditions to determine the Depth-Of-Discharge (DOD) at any …
Published in Journal of Automobile Engineering and Applications · Vol. 9, Issue 2, 2022 · pp. 43–58 Read article
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Corrosion Characterization of Silicon Carbide and Fly Ash Particulates Dispersion Strengthened Aluminium 5083 Composites
Abstract: Corrosion behavior of aluminium metal matrix composites is a major study aimed at evaluating the potential of using the materials for aerospace components. Aluminium 5083 is a specific class of alloy which is known for its corrosion resistance in extreme environments and is used in aerospace components. However, the studies on effect of reinforcements such as silicon carbide and fly ash on corrosion behavior of aluminium 5083 alloy has not …
Published in Journal of Catalyst & Catalysis · Vol. 4, Issue 2, 2017 · pp. 9–21 Read article
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Role of Solid Acid Catalyst in Isopropylation Reaction
Abstract: Cumene synthesis was carried out by the reaction of benzene with isopropyl alcohol in the vapour phase over rare earth metal modified 13X zeolite. Zeolite modification was done by exchanging sodium ions of the zeolite with cerium ions to vary the acidity of the catalyst in the range of 0.25‑1.36 meq/g. The synthesis was carried out over a wide range of operating conditions. The synthesis conditions were optimized by studying …
Published in Journal of Catalyst & Catalysis · Vol. 2, Issue 2, 2015 · pp. 19–26 Read article
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Study of Nano Additives in Concrete mix Proportioning Using Nano Particle
Abstract: This research literature reviews on nanomaterials in concrete. Now, the conventional concrete Properties of nanomaterial utilization have been introduced to various attentions to increase. Ultimately, as an introduction, the nanomaterial is increasing the strength and durability of the Concrete. The nanomaterial is described as the material that includes the particle size Less than 200 nm. While the investigation of Concrete in the importance of nanomaterials, the demand is at least …
Published in Journal of Construction Engineering, Technology & Management · Vol. 10, Issue 1, 2020 · pp. 37–48 Read article
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Influence of Mineral Admixture on Compressive Strength of Concrete
Abstract: The current paper shows the results of an investigation focused on the effect of metakaoline (MK) and silica fume (SF) on the compressive strength of concrete. The aim of the study was to investigate the effect of concrete compressive strength containing different percentage levels of metakaoline and silica fume on fresh and mechanical properties of the concrete. Pastes containing 0%, 5%, 10%, 15% and 20% of metakaoline and silica fume …
Published in Journal of Construction Engineering, Technology & Management · Vol. 2, Issue 1-3, 2012 · pp. 42–47 Read article
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Performance of High Strength Basalt Fiber Reinforced Metakaolin Concrete
Abstract: The present work deals with the results of experimental investigations on high strength M60 basalt fiberreinforced metakaolin concrete. Effect of these fibers on various strengths of concrete are studied. Fiber contentvaried from 0.5 to 1.5% at an interval of 0.5 by weight of cement. Various strengths considered for investigationare compressive strength, flexural strength, split tensile, and bond strength. Cube of size 100 mm forcompressive strength, beams of size 500 mm …
Published in Journal of Construction Engineering, Technology & Management · Vol. 1, Issue 1-3, 2011 · pp. 15–22 Read article
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Effect of RHA on Strength of M20 Concrete Under Both Acidic and Non-Acidic Medium by Using Rebound Hammer Test
Abstract: Commonly, Portland cement is the most common type of cement in general use around the world as a basic ingredient of concrete which release large amount of carbon dioxide while manufacturing. Consequently there is important to utilize choice to limit the effect on climate. In this paper Rice husk debris were to some degree traded for concrete material. In this investigation ice husk debris are utilized as a swap for …
Published in Journal of Construction Engineering, Technology & Management · Vol. 11, Issue 3, 2021 · pp. 1–6 Read article
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Optimum Mixture Proportioning of Sawdust Ash Blended Sand-Stone Dust Blocks Using Scheffe’s Regression Theory
Abstract: This study carried out an experimental investigation on the compressive strength of sawdust ash blended sand-stone dust block of size 450 x 225 x 150 mm using Scheffe’s (5, 2) regression theory. The compressive strength of sawdust ash blended sand-stone dust blocks obtained based on fifteen trial mix ratios were used to develop the mathematical model while the results of the compressive strength values obtained based on the additional fifteen …
Published in Journal of Construction Engineering, Technology & Management · Vol. 13, Issue 2, 2023 · pp. 33–40 Read article
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Effect on Mechanical Properties of Concrete Using Industrial Waste
Abstract: Waste management is a great challenge for any country in current and future aspect. Solid waste generates from different industry i.e. stone, marble, coal, tire etc. are major issues in India. These wastes create major environmental & health problems for surrounding people. This study represents the utilization of waste kota stone slurry and marble powder as sand & cement replacing material with 15% fly ash of class-C. Waste kota stone …
Published in Journal of Construction Engineering, Technology & Management · Vol. 13, Issue 2, 2023 · pp. 19–25 Read article
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Experimental Investigation on Hybrid Laminated Composites Reinforced with Basalt-Pineapple-Bamboo Fibers
Abstract: In the majority of technological applications, particularly in automotive and building materials, natural fibre-reinforced composites are now more common. Natural fibre developments have seen a tremendous rise in demand recently. As a filler material, Snail Shell Powder was utilized in the current work to evaluate the mechanical and thermal characteristics of hybrid reinforced composites constructed from natural fibres such as basalt, pineapple, and bamboo. Snail shell powder weighed six grams …
Published in Journal of Construction Engineering, Technology & Management · Vol. 13, Issue 3, 2023 · pp. 9–15 Read article
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Comparative Study of Linear Regression Techniques for Analyzing THPP of Solar Parabolic Trough Receiver with Twisted Tape Inserts using Machine Learning.
Abstract: This study presents a comparative analysis of four different linear regression techniques for predicting the THPP of a solar parabolic trough receiver with twisted tape inserts. The four techniques analyzed are: ordinary linear regression, interaction linear regression, robust linear regression, and stepwise linear regression. The study is aimed at determining the most suitable technique for predicting the heat transfer characteristics of the solar parabolic trough receiver with twisted tape inserts. …
Published in Journal of Experimental & Applied Mechanics · Vol. 13, Issue 3, 2022 · pp. 39–47 Read article
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Design of 6-Bit Two-step Flash ADC for High Speed and Low Power Applications
Abstract: In this paper, 6-bit two-step Flash ADC operated at the 2 GS/s is designed, with optimized performance for frequency domain applications. To get the best performance, the coarse convertor of 2-bit and the fine convertor of 4-bit are chosen. The comparator design is done with optimum power and area with two power supplies. Intermediate state accuracy increased by thermometer coded current steering DAC. The DNL and INL specifications are chosen …
Published in Journal of Electronic Design Technology · Vol. 3, Issue 1-3, 2012 · pp. 29–39 Read article
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Design of Voltage Controlled Oscillator using GDPK 90nm CMOS Technology
Abstract: In the recent decade, there has been a major revolution in communication systems and devices. Many communication devices required a specific frequency which may range from a few Hz to several GHz by source of voltage. Voltage Control Oscillator (VCO) plays a major role in today’s modern communication system. Voltage Control Oscillator use as basic building block in communication circuits and major use in phase locked loops circuits. Due to …
Published in Journal of Electronic Design Technology · Vol. 13, Issue 1, 2022 · pp. 17–24 Read article
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Design and Fabrication of Footstep Power Generator
Abstract: AbstractOne of the major problems faced in today’s world is energy crisis. This paper puts forth the discussion about the design and fabrication of foot step power generator. The project shows possibility of generating power when people walk on the floor. It utilizes energy exerted in the form of pressure on to the floor to produce electricity. The idea deals with converting the self weight of a person to electrical …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 8, Issue 1, 2018 · pp. 17–20 Read article
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Numerical Simulation of Mitigation of Soil Swelling Problem under Communication Tower Using Helical Piles
Abstract: AbstractExpansive soils exhibit significant volume changes with variations in soil moisture content. Expansive soils are often considered as problematic soils. It undergoes large volume changes upon wetting and drying and causes huge damages to the structures resting on it. Numerical modeling was carried out by using PLAXIS 3D-2013 software, in which modeling the soil by using hardening soil model was done. Tower rested on expansive soils are subjected to uplift …
Published in Journal of Geotechnical Engineering · Vol. 4, Issue 3, 2017 · pp. 35–46 Read article
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An Experimental Studyon Behaviourof Piled Raft Foundation
Abstract: Piles in piled raft are often considered as settlement reducers, not load bearing members. Theexperimental study focuses on the behaviour of piled raft foundation subjected to vertical load. The model rafts were made of mild steel plateswith plan dimension 160 mm ×160 mm × 10 mm. The model piles used in this test were non-displacement piles of diameter 10 mm.Three lengths of piles were used in the experiment to represent …
Published in Journal of Geotechnical Engineering · Vol. 1, Issue 3, 2014 · pp. 26–34 Read article
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Influence of wall friction on Active Earth Pressure in Model Test
Abstract: Earth pressure theories occupy a paramount position in the field of geotechnical engineering. The knowledge of active earth pressure under static condition is essential in designing a retaining wall as the damage to such retaining structures may lead to disastrous failure. A retaining wall helps in maintaining the ground surface at different elevations on either side of it. Without such a structure, the soil at higher elevation would tend to …
Published in Journal of Geotechnical Engineering · Vol. 8, Issue 1, 2021 · pp. 12–19 Read article
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Experimental Investigation of Different Type of Soils with Addition of Geofibers
Abstract: Strength is important factor for stability of structure tо meet sрeсified engineering requirements оf sоil аnd to mаke it mоre stаble. For this purpose, certain engineering рrорerties are required tо be altered/changed. Based on the literature available, In the present study, аn exрerimentаl investigation is undertаken tо investigаte the effeсt оf addition of geofibers in different proportions (0.0-2.0% by weight) with two fiber lengths of 6 mm and 12 mm …
Published in Journal of Geotechnical Engineering · Vol. 8, Issue 2, 2021 · pp. 13–20 Read article
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Experiment and calculation of vertical bearing capacity of large diameter belled pile
Abstract: Purpose–This paper aims to analyze the vertical bearing behavior of large diameter belled pile by carrying out static load test. Various calculation methods are used to calculate and determine the ultimate bearing capacity of large diameter belled pile.Design/methodology/approach–(1) According to the calculation method of allowable bearing capacity of single pile, the design ultimate bearing capacity of test pile and the load classification of loading and unloading are obtained. (2) Q-S …
Published in Journal of Geotechnical Engineering · Vol. 9, Issue 2, 2022 · pp. 1–21 Read article