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853 articles for “Pressurizing”
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Sonochemical Methods to Prepare Composes
Abstract: This purview is to link major and minor chemical reactions. Subjective has various unknown chemical reactivity those have announced by ultrasound. Cavity generation followed by implosive collapse have secreted chemistry to some extent so as pervert to scheme as well. Applicability of ultrasound has studied over chemical stimulus, scrubbing atomizer, crystallization, emulsification, dissolution, dispersion, defoaming, degassing, floatation, homogenization etc. Synthetic catalytic routes has subscriptive issued ultrasonic reverberation to regain some …
Published in Journal of Catalyst & Catalysis · Vol. 8, Issue 2, 2021 · pp. 1–7 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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Identification and Management of Risk in Building and Infrastructure Projects
Abstract: Building and infrastructure projects are very large and complex in nature consisting of extensive risks. For the successful accomplishment of these projects, risk identification and management should be used effectively. This paper recognizes the critical risk factors related to building and infrastructure projects in India. Seventy risks were identified through an in-depth study of literature related to risk in building and infrastructure projects. These seventy risks were categorized into eight …
Published in Journal of Construction Engineering, Technology & Management · Vol. 10, Issue 2, 2020 · pp. 1–9 Read article
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Strength and Durability of Concrete Cubes and Cylinders Wrapped with FRP
Abstract: Experimental were conduct on the distressed reinforced cement concrete compressive element and on the same after they have been retrofitted for rehabitation. Presently, FRP materials are also been started use in construction field in the form of wrapping to enhance the load carrying capacity, shear and flexural strength as well as ductility. This is an experiment based project which deals with strengthening and load deformation relationship of reinforced cement concrete. …
Published in Journal of Construction Engineering, Technology & Management · Vol. 10, Issue 3, 2020 · pp. 7–13 Read article
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Time Overrun Causes in Public Construction Projects in Saudi Arabia: Contractors’ View
Abstract: The time schedule in construction projects is one of the prime measures for project success. However, the construction industry worldwide is full of projects that were completed with significant time overrun. This problem is critical and has negative effects on construction parties in terms of growth in adversarial relationships, mistrust, litigation, arbitration and cash flow problems. This study aims at identifying the time overrun causes in public construction projects in …
Published in Journal of Construction Engineering, Technology & Management · Vol. 3, Issue 3, 2013 · pp. 67–75 Read article
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Design and Analysis of Closed Flow System with Varying Various Parameters of Hydrodynamics for PEH
Abstract: In this work, a piezoelectric energy harvesting system is designed, which can vary different parameters for analyzing the output of PVDF (e.g. water flow rate, piezoelectric patch, piezoelectric circuit, pressure head and different configurations of installation of piezoelectric etc.). A prototype model is made of this system is made for experimental analysis. The analysis of the prototype is done by varying two parameters (i) Water flow rate (ii) Piezoelectric circuit. …
Published in Journal of Control & Instrumentation · Vol. 8, Issue 3, 2017 · pp. 30–37 Read article
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Drum-Boiler Dynamics and its Water Level Control
Abstract: Boilers used for continuous steam generation on large scale. Controlling aspect in boiler process is highly difficult as the system is complex and exhibit nonlinearity, the dynamics of boiler varies with load and multivariable dependent. The main cause of instability in boiler operation is due to the integration effect in it. In addition to that, boilers are normally used where there is sudden load variation without prior knowledge. In this …
Published in Journal of Control & Instrumentation · Vol. 9, Issue 1, 2018 · pp. 10–16 Read article
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Temperature Control Techniques for Heat Exchanger System: A Review
Abstract: Heat transfer from one process fluid to another is necessary application of the process control. Heat exchangers are most widely used in industrial application to transfer of heat. Different types and configuration according to its flow, temperature and pressure, etc. are used for different application. Oil and gas, food industries, HAVAC system, power generation heat exchanger are widely used. Control objective is to keep outlet temperature of heat exchanger at …
Published in Journal of Control & Instrumentation · Vol. 8, Issue 1, 2017 · pp. 1–11 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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Application of Virtual Instruments in Data Monitoring & Logging
Abstract: Data Acquisition is the process of real world physical conditions and conversion of the resulting samples into digital numeric values that can be manipulated by a computer. This system is used to measure various parameters in the industry such as pressure, temperature of plant, control room temperature, combustible gas level, humidity, weight of the product, etc. This paper shows a cost effective way to design and develop LabView based Data …
Published in Journal of Control & Instrumentation · Vol. 5, Issue 1, 2014 · pp. 1–4 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
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Effect of Ni Addition on the Hardness and Tensile Strength of Al – Cu Alloy Prepared by Powder Metallurgy Technique
Abstract: Aluminium alloys are becoming potential engineering materials offering excellent combination of properties such as high specific strength, high specific stiffness, electrical and thermal conductivities, low coefficient of thermal expansion and wear resistance. Generally, copper and nickel were used as alloying elements in aluminium alloy to increase high temperature strength.Both powder metallurgy as well as casting techniques is used to produce Al-Cu-Ni alloys.However, P/M technique is better suited for preparing this …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 3, 2018 · pp. 19–23 Read article
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Effect of PWHT Cycle on Microstructure and Mechanical Properties of 1.25Cr-0.5Mo Weld
Abstract: Post Weld Heat Treatment (PWHT) is a process of reducing residual stresses and enhancing material properties of any material after welding. The process depends on many parameters like type of material, the thickness of material, PWHT temperature, soaking time, heating and cooling rate, etc. The Post Weld Heat Treatment process of material could effect on tensile strength, impact toughness, hardness, microstructure, etc. If the Process of PWHT is performed incorrectly …
Published in Journal of Experimental & Applied Mechanics · Vol. 10, Issue 1, 2019 · pp. 7–16 Read article
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Intelligence Wide Angle Diffuser Relocation for Wind Tunnel
Abstract: A wide angle diffuser is placed between the centrifugal blower and the settling chamber for the open circuit wind tunnel. The cross-sectional area increases so rapidly that separation can only be avoided by boundary layer control. The wide angle diffuser is a means of reducing the length for a given area ratio rather than affecting a pressure recovery. The length of the wide angle diffuser is 3.5 m, area ratio …
Published in Journal of Experimental & Applied Mechanics · Vol. 8, Issue 1, 2017 · pp. 19–22 Read article
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Analysis of Hydrodynamic Characteristics of a Squeeze Film in O-Ring Assembly Under the Oscillating Motion
Abstract: In the most of the non-contacting face seals, squeezing occurs in the fluid film between the O-ring surface and the mating surfaces in the gland assembly. Therefore, hydrodynamic characteristics are easily simulated by considering a fluid film between a rubber surface (O-ring surface) and a rigid surface (machined surface). In this paper, effects of surface roughness of rubber block on leakage flow rate and hydrodynamic force developed in fluid film …
Published in Journal of Experimental & Applied Mechanics · Vol. 6, Issue 2, 2015 · pp. 1–12 Read article
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Design of Centrifugal Fan Impeller and Comparison with Industry Design: A Case Study
Abstract: Fans are one type of turbo machines to deliver a desired amount of volume flow and static/total air pressure. The density, temperature and altitude play a vital role in fan design. Fan design process is complex and an exact simpler direct analytical methods are rarely used by reputed fan designers. An approach is made to identify analytical formulae recommended by Ing Bruno Eck and Frank. P. Bleier and carry on …
Published in Journal of Experimental & Applied Mechanics · Vol. 11, Issue 1, 2020 · pp. 11–15 Read article
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Low-cost Air Quality Monitoring System for Dhaka City
Abstract: AbstractContamination is the expansion of any substance or any type of vitality to nature at a rate quicker than it very well may be scattered, weakened, deteriorated, reused, or put away in some innocuous structure. Pollution has become a crucial problem for busy cities all around the world. There are many types of pollution among them: air pollution, water pollution, soil pollution, food pollution, noise pollution, light pollution, thermal pollution …
Published in Journal of Electronic Design Technology · Vol. 10, Issue 3, 2019 · pp. 33–41 Read article
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Design and Simulation of Micro-cantilever for MEMS Applications
Abstract: Micro-cantilevers belong to MEMS set of devices and are often used for detection of forces in micromechanical sensors (e.g., pressure sensors and accelerometers) and probe for force sensor to atomic force microscope used as transducers, transport mechanisms, relays, switches, resonators, etc. This paper presents as to how the displacement of micro-cantilever is affected by the load applied to the micro-cantilever. The effect of width change on the displacement of the …
Published in Journal of Electronic Design Technology · Vol. 5, Issue 2, 2014 · pp. 25–31 Read article
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Evaluation of Diesel Engine Performance Using Neem Oil Methyl Esters and Biogas as an Alternative Source
Abstract: AbstractThe Neem oil methyl ester (NOME) used as a biofuel is produced by transestetrification process with an aim to reduce the viscosity level, fuel economy and less environmental pollution. Further, addition of biogas to the NOME is expected to improve the performance. The objective of study was to evaluate the performance parameters such as Total fuel consumption (TFC), Specific fuel consumption (SFC) and Brake thermal efficiency (BTE). The experiment was …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 8, Issue 1, 2018 · pp. 21–25 Read article
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TRAIN MOUNTING T-BOX FOR WIND POWER GENERATION
Abstract: Today’s many industries are rapidly growing to the wind energy generation. Now days the need of energy resources is increasing at a much faster rate. We need to capitalize all the available options to complete all our needs with ease. For this, inventions like T-BOX are very helpful. As it needs only wind from passing trains to produce the energy. Since fasting is going on for alternative forms of treatment, …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 8, Issue 1, 2018 · pp. 6–9 Read article