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974 articles for “conductivity”
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Thermodynamics Modelling And Performance Assessment Of Gas Turbine Power Plant
Abstract: In this study, thermodynamics modelling of gas turbine engine is performed based on thermodynamic relations. The thermodynamic model reveals that the influence of operating parameters including the compression ratio, turbine inlet temperature and ambient temperature has significant effect on the performance of gas turbine engine. Energy and exergy analyses were conducted to evaluate performance of the selected power plant and to assess the effect of operating parameters on energy loss …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 1, Issue 1, 2015 · pp. 11–35 Read article
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Performance and Emission Characteristics of Diesel Engine Working on Biodiesel with Different Blends
Abstract: Internal combustion engine plays important role in vehicles. These engines are operated by conventional fuels (diesel). Diesel is a one of the nonrenewable energy source for IC engines. Due to usage of diesel, pollutions of engine will be increased and diesel will be exhaust. To avoid the above said problems bio diesel will gives the solution. Biodiesel is one of the alternative fuels in universe. This paper determines the performance …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 3, Issue 2, 2017 · pp. 32–51 Read article
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A Comprehensive Combustion Kinetics Modeling Study of Iso-Octane and Air Mixtures
Abstract: The oxidative behavior of the iso-octane (2,2,4-trimethylpentane) has been studied in a range of experimental facilities in order to investigate the relatively unexplored combustion chemistry of the title species and to provide combustor relevant experimental data. The ignition of iso-octane/air and iso-octane/O2 mixtures was studied at temperatures of 600–1300 K, pressures of 1–50 atm, and equivalence ratio 0.5 to 2. This study has been conducted analytically using a kinetic scheme …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 4, Issue 2, 2018 · pp. 30–38 Read article
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Performance and Combustion Analysis of Diesel Engine Fueled with Jatropha Biodiesel—Diesel Blends Using Taguchi’s Approach
Abstract: The aim of this work is to analyze performance and combustion of the various blends of diesel fuels and jatropha biodiesel. Experiments have been carried out using a single-cylinder, four-stroke, variable compression ratio CI engine fueled with jatropha biodiesel and its blends with diesel fuel. The test has been conducted using the fuel blends of 0%, 50% and 100% by volume biodiesel with diesel fuel. The percent biodiesel (0%, 50% …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 5, Issue 1, 2019 · pp. 25–40 Read article
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The Influence of Hexanol and Methyl Acetate as Oxygenated Additives with Diesel Fuel in a Diesel Engine Generator
Abstract: Diesel engines play a vital role in all the major sectors (such as transportation and industrial) due to their high efficiency, durability, reliability and low operating cost. At the same time, they are considered as one of the biggest contributors of environmental pollution by releasing enormous amount of toxic gases to atmosphere (such as NOx, HC, CO2 and PM). Emissions from transport, especially motor vehicles, increase the level of gases …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 5, Issue 1, 2019 · pp. 1–9 Read article
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Identifying, Developing, and Moving Sustainable Communities Through Application of Bioenergy for Energy or Materials: Future Perspective Through Energy Efficiency
Abstract: The demand for energy continued to outstrip supply and necessitated the development of biomass option. Residues were the most popular forms of renewable energy and currently biofuel production became much promising. Agricultural wastes contained high moisture content and could be decomposed easily by microbes. Agricultural wastes were abundantly available globally and could be converted to energy and useful chemicals by a number of micro-organisms. Compost or biofertiliser could be produced …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 5, Issue 1, 2019 · pp. 10–24 Read article
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Diesel Engine Combustion and Emission Characteristics Study, Taking into Account the Potential of Biogas Substitution for the Purpose of Enhancing Environmental Cleanliness and Promoting Health
Abstract: Necessity for alternative fuels arises from the escalating energy requirements and the detrimental effects of fossil fuel emissions on environmental well-being. Alternative fuels have been extensively researched to improve energy efficiency. A study examines how alternative fuel affects compression ignition (CI) engine performance, pollution, and combustion. Biogas is investigated as a diesel engine fuel substitute in this study using computational fluid dynamics (CFD). Upon doing a thorough examination of the …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 9, Issue 1, 2023 · pp. 24–39 Read article
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Compressive Behaviour of Pristine and Impacted Composite Laminates: Numerical Simulations and Experimental Studies
Abstract: To predict the compressive strength, various failure criteria studied in this article include are Tsai-Wu, Hill, Hoffman, Maximum Stress and Quadratic. The quadratic failure criterion has been implemented using PATRAN Command Language (PCL). Is observed that quadratic failure criterion provides least failure indices, employed for conservative design. The compressive strength of the pristine and impacted laminate computed using analytical experiment, and finite element analysis (Numerical) commercial packages. Experimental program employing …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 2, Issue 2, 2016 · pp. 19–32 Read article
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3D Stress State Dependent Failure Model for Fracture Simulations
Abstract: The state of stress is defined by triaxiality (hydrostatic pressure) and the lode angle parameter (deviatoric stress third invariant). The stress state not only varies with different kinds of loading but also with the location of the stress concentration, geometry of specimen and deformation. The LS-DYNA implementation of a strain-based, stress state dependent failure criterion for a ductile material is investigated through simulations of standard experiments in this paper. A …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 2, Issue 1, 2016 · pp. 44–65 Read article
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Slop-Moment Matrix Method and General Deflection Equation
Abstract: In this paper, Slop-Moment matrix method and general deflection equation will be presented, Slop-Moment matrix method is a method for structural analysis by which the support moments can be found for structural elements (1-d) like beams, one-way slabs, bridge girder,…etc. it enables the engineers to conduct structural analysis with very wide options, There are no limitations on number of spans, number and type of loads, end support conditions, section property …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 3, Issue 1, 2017 · pp. 1–6 Read article
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Experimental verification of strength of glass fiber reinforced polymer matrix composites
Abstract: An experimental investigation has been carried out to develop a new PMC (Polymer Matrix Composite) using commercially available Epoxy and Polyurethane resin systems. These resin systems would be reinforced with glass fibers, filler materials and aluminium foils. The laminates have been prepared by using the hand lay-up technique for eight layers and the mechanical tests such as tensile and compression test have been conducted for the PMC. This work has …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 3, Issue 1, 2017 · pp. 43–51 Read article
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Graphene and Carbon Nanotube-PLA Composite Feedstock Filament for Fused Deposition Modelling:Review
Abstract: 3D printing or AM has revolutionized the way of manufacturing by designing complex structure in atomized features which cannot be realized by conventional processing method. Many are adopting Additive Manufacturing over traditional method to manufacture sophisticate products from single or composite material. 3D printing has a demerit that the mechanical properties of product suffer. To address this problem, this study is conducted for development of improved and sustainable feedback material …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 6, Issue 1, 2020 · pp. 22–26 Read article
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Finite Element Modeling for the Development and Evaluation of a Complaint Mechanism
Abstract: This paper presents the design and simulation of a complaint mechanism, emphasizing precision implementation through various studies and principles. The modeling of the complaint mechanism is conducted using CREO software, while both static and dynamic analyses are performed using ANSYS software. Through static analysis involving force considerations, the paper deduces the deflection of motion, noting that the XY structure deformation mirrors the elongation of an S-shaped cantilever beam. Comparative assessments …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 9, Issue 2, 2023 · pp. 1–7 Read article
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Experimental Investigation of the Dynamic Behavior of Masonry Structures During Earthquakes
Abstract: Masonry buildings, which show strength and susceptibility in the face of seismic activity, have been an essential component of human architecture for generations. For buildings to enhance their seismic performance and provide occupant safety, it is essential to comprehend their dynamic behavior during seismic. This review article summarizes experimental research on seismically loaded masonry buildings, emphasizing important discoveries, techniques, and difficulties. This review attempts to provide light on the dynamic …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 9, Issue 2, 2023 · pp. 20–25 Read article
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Advancements in Computational Methods for Solving Structural Dynamics Problems
Abstract: Significant difficulties come with structural dynamics problems in a variety of engineering fields, such as mechanical, aerospace, and civil. The need for dependable, precise, and economical computational techniques to handle these problems has fueled ongoing progress in the area. This paper highlights the benefits, drawbacks, and uses of recent improvements in computational techniques for tackling structural dynamics issues. We talk about meshless methods, finite element methods (FEM), boundary element methods …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 9, Issue 2, 2023 · pp. 15–19 Read article
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Lifestyle interventions reduce coronary artery disease among the high risk group
Abstract: A PRE Experimental evaluatory approach was used for this study. The study was carried out in the selected community of Greater Noida. The research design was pre-experimental one group pre-test post-test design. The sample comprised of 40 high risk subjects. The data was analyzed using descriptive and inferential statistics. Paired ‘t’ test was used to find the effectiveness of SIM and chi-square was used to find the association of pre-test …
Published in International Journal of Cardiovascular Nursing · Vol. 1, Issue 1, 2015 · pp. 1–4 Read article
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A Descriptive Study to Assess the Anxiety Level and to Evaluate Its Effect on Physical Symptoms in Cardiac Patients Prior to Cardiac Catheterization and Angiography in Selected Hospitals of Amritsar, With a View to Develop “self-Instructional Module”
Abstract: Background of the study: People often experience a general state of worry, fear, or suspiciousness of being going through some problem, illness, hospitalization, diagnostic procedure, or therapeutic interventions. Before confronting something challenging such as a test, examination, all constitutes anxiety. Anxiety is a general symptom that causes nervousness, fear, apprehension, and worrying. These symptoms affect how person feel and behave, and it is manifested by real physical and physiological symptoms. …
Published in International Journal of Cardiovascular Nursing · Vol. 1, Issue 2, 2015 · pp. 7–11 Read article
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Assess Pain and Patients’ Perceptions of Pain Management in Poststernotomy Cardiac Surgery in Selected Hospital Settings of Punjab, With a View to Develop “Self-Assessment Sternal Precaution Algorithm”
Abstract: Background: Chronic poststernotomy pain is a well-recognized problem. Cardiac surgical patients are often rapidly recovered from anesthesia. The lower levels of sedation given to accelerate this process lead to higher rates of recall in intensive care particularly memories of pain. Method: In a prospective manner a cohort of 200 consecutive patients were evaluated for chronic poststernotomy pain one year after surgery. Participants were identified during the postoperative period by nonprobability …
Published in International Journal of Cardiovascular Nursing · Vol. 1, Issue 2, 2015 · pp. 12–29 Read article
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A Study to Assess the Effect of Sitting With Feet Flat on the Floor Vs Sitting With Cross Leg Position on Blood Pressure Reading Among Hypertensive and Normotensive Subjects in Selected Hospital of Delhi
Abstract: Cardiovascular diseases are accepted as one of the leading cause of mortality and morbidity in developed and developing countries of the world. Risk of cardiovascular diseases depends upon blood pressure and co-existent factors. Hypertension is the most important risk factor for cardiovascular diseases. At any given time 15–20% of population is at risk with hypertension. Hypertension sometimes called a “silent killer” because people who have it are often symptom free. …
Published in International Journal of Cardiovascular Nursing · Vol. 2, Issue 1, 2016 · pp. 1–10 Read article
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Competency in Measuring Blood Pressure among Staff Nurses
Abstract: Objective: To assess and describe the overall and area wise competency of measuring Blood pressure among Staff Nurses and find out the association of level of competency of Staff Nurses in measuring Blood pressure with selected demographic variables. Methods: Non experimental approach, descriptive study was conducted to measure the competency in measuring Blood pressure with 40 staff nurses. Convenient sampling technique was used and the data was collected by Check …
Published in International Journal of Cardiovascular Nursing · Vol. 2, Issue 2, 2016 · pp. 23–26 Read article