Search
81 articles for “numerical simulation”
-
High-k and Low-k Gate Dielectric Stacking for Low Voltage Organic Thin Film Transistors
Abstract: Electrical performance parameters of Organic thin film transistor (OTFT) are closely related to the interface characteristics of gate dielectric and organic semiconductor film. Henceforth, it becomes important to study the effect of gate dielectric stacking on device performance of OTFTs. In this paper, we demonstrate the stacking of high-k and low-k gate dielectric based Single and Dual gate OTFTs. The structural effect of Organic thin film transistors is methodically explored …
Published in International Journal of Applied Nanotechnology · Vol. 5, Issue 1, 2019 · pp. 1–7 Read article
-
Thermal Management Of Cylindrical Lithium-Ion Battery Using A Wavy Tube
Abstract: To maintain a proper temperature range and eliminate local temperature disparities, thermal management is required for lithium-ion batteries in electric vehicles. A wavy tube is presented for a liquid cooling cylindrical lithium-ion battery module in this research. On the suggested battery module, three-dimensional transient simulations were run, and numerical improvements were made by changing the wavy contact angle of the wavy tube. The heat dissipation efficiency and temperature field homogeneity …
Published in International Journal of Manufacturing and Materials Processing · Vol. 9, Issue 2, 2023 · pp. 10–22 Read article
-
Flutter study of a solar powered high-altitude long endurance UAV
Abstract: This paper presents an aero-elastic flutter analysis on a high altitude long endurance unmanned air vehicle. Numerical finite element analysis (FEA) based simulations for flutter have been carried using the commercial FEA package ANSYS. Analytical flutter analysis is performed to verify the FEA results. The analytic flutter analysis gives the divergence speed to be 32.7 m/sec. The numerical flutter analysis of the rudder shows the bending and torsional modes for …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 2, Issue 2, 2016 · pp. 01–09 Read article
-
Ideal Paradigm Disputes, Conflict and Emerging Convergences in Nursing
Abstract: Paradigm is the set of adequacy of agents in an arena, which provide a structure in which perspective the scientists’ research to solve scientific complications and standardize the sequences of studies in the field. The purpose of this paper is an analysis of the nursing model. Nursing paradigm determines the goals and boundaries like a foundation of a building. Nursing as a moving profession from unified and constant roles, and …
Published in International journal of Nursing Science Practice and Research · Vol. 1, Issue 1, 2015 · pp. 13–19 Read article
-
Numerical Investigation of Hybrid Composite Armors: Cost-Effective Solutions for Ballistic ProtectionUsing ANSYS
Abstract: This study presents a detailed numerical investigation of hybrid composite armors as a cost-effective and lightweight solution for ballistic protection. With increasing the demand of protective systems that ensure high mobility with light weight and cost-effective armor without compromising safety. Traditional steel armor has already proven to be a reliable protection system but the main problem is its mobility. To address this issue, the work focuses on composite material as …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 11, Issue 2, 2025 · pp. 1–11 Read article
-
Transient Circuit Breaker Stresses in Networks Including Long Overhead Lines with Multiple Tower Spans
Abstract: Abstract: This paper proposes a new technique for analyzing the recovery voltages in circuit breakers of high voltage networks comprising strongly non-uniform lines. As a representative example, the model considers transmission lines comprising multiple cascade-connected tower spans the resulting information is crucial for assessing the proper operation and protection of those networks. The mathematical model is based on a system composed of simultaneous partial differential and algebraic equations. They formulate …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 11, Issue 1, 2025 Read article
-
Recycling Multilayer Materials: Discovering Mechanical Parameters for Engineering Applications
Abstract: Multilayer materials have been widely used in various applications such as packaging, electronics, and construction industries. However, the disposal of these materials is becoming a significant environmental concern due to their non-biodegradable nature. Therefore, the recycling of multilayer materials has become an essential aspect of sustainable waste management. The mechanical characteristics of materials recycled from multilayer products were examined in this study. The focus was on determining the impact of …
Published in International Journal of Metallurgy and Alloys · Vol. 8, Issue 2, 2022 · pp. 43–47 Read article
-
CFD Analysis of Earth Heat Exchanger with Air as a Cooling Medium
Abstract: An earth air tube heat exchanger (EATHE) uses the thermal energy of the ground for the air cooling in summer and air heating in winter due to the temperature difference between the air and underground surface. With the help of EATHE we can reduce the energy consumption required for space heating or cooling. However, for determining the surface heat convection, due to lack of available methods it is difficult to …
Published in International Journal of Computer Aided Manufacturing · Vol. 3, Issue 2, 2017 · pp. 21–30 Read article
-
Thermal Analysis of Earth Heat Exchanger Using Air as a Medium
Abstract: Thermal energy is the main concept of an earth air tube heat exchanger (EATHE), which uses the thermal energy of the ground for cooling and heating of the fluid medium. Here, air is used as cooling medium. The air cools in summer and gets heated in winter due to the temperature difference between the air and underground surface. However, for the study of the surface heat convection study of model …
Published in International Journal of Computer Aided Manufacturing · Vol. 4, Issue 1, 2018 · pp. 1–17 Read article
-
Assessment of a Reef for Protecting Reclamation and Mitigating Sedimentation in a Navigational Channel
Abstract: Abstract Among various engineering interventions, submerged breakwaters (reefs) have emerged as a promising solution that balances shoreline protection with environmental and aesthetic considerations. This paper presents a study at Essar Bulk Terminals Limited (EBTL), Hazira, Gujarat, on the effectiveness of a reef in protecting reclaimed areas from wave and tidal action, as well as mitigating sediment accumulation in the navigational channel within the Tapi Estuary on India's west coast. A …
Published in International Journal of Water Resources Engineering · Vol. 12, Issue 1, 2026 · pp. 7–20 Read article
-
Numerical investigation of hydrodynamics of batch crystallizer
Abstract: In this work, hydrodynamics in a draft tubebatch crystallizer is analysed computationally using Computational fluid dynamics (CFD). The CFD simulations are performed using multiple reference frame (MRF) with sliding mesh approach in transient condition for flow time of 5s using the standard k-ε turbulence model. The flow-field in batch crystallizer is quantified by calculating time averaged velocity profiles along the horizontal line and by analysing the temporal variation of liquid …
Published in International Journal of Chemical Engineering and Processing · Vol. 3, Issue 1, 2017 · pp. 24–35 Read article
-
Experimental Study and Analysis of Coefficient of Friction for Mild Steel Under Various Lubrication Conditions
Abstract: The coefficient of friction plays decisive role in the metal-forming processes. This study focuses on determination of the coefficient of friction between work piece and lubricants using ring compression test by experiments physical modeling and finite element (FE) simulation. A series of ring compression tests were carried out to obtain friction coefficients of mild steel under lubricants including boric acid, Vaseline, grease and dry conditions. According to Male and Cockcroft …
Published in International Journal of Manufacturing and Materials Processing · Vol. 4, Issue 2, 2018 · pp. 34–42 Read article
-
One-Pot Multicomponent Reactions: A Versatile Approach for Heterocyclic Compound Synthesis
Abstract: Multicomponent reactions (MCRs) represent an efficient and versatile approach in organic synthesis, enabling the formation of complex molecules through a single, one-pot procedure. This methodology is particularly advantageous for the synthesis of heterocyclic compounds that are prevalent in numerous biologically active molecules and pharmaceuticals. The one-pot nature of MCRs allows for the simultaneous combination of three or more reactants, leading to high atom economy, reduced reaction times, and minimized purification …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 10, Issue 1, 2025 · pp. 1–7 Read article
-
Heat Transfer Performance in an Internally Dimpled Tube Heat Exchanger Composed of Various Materials Examined Using CFD: A Review
Abstract: A review of the most important findings for thermal enhancement on circular pipe is presented, the focus is on the heat transfer and thermal gradient in these heat exchangers. The use of circular dimpled pipes, surfaces, and other techniques to promote heat transmission has been the subject of several studies in the past. Reviews are conducted on a sizable number of research papers pertaining to computational and experimental investigations. Various …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 9, Issue 2, 2023 · pp. 30–40 Read article
-
A Computational Study of Solar Air Heater for Its Performance Enhancement by Numerical Approach Using Standard CFD Tools
Abstract: In the following report, the main objective is to calculate the efficiency of the solar air heater, mean exit temperature of air using CFD (Computational Fluid Dynamics) simulation. CFD software promises to be a futuristic field of application especially in the field of thermal engineering. The analysis is performed on a two dimensional built solar air heater. The geometry modelling is done in “Gambit” software followed by its analysis for …
Published in International Journal of Computer Aided Manufacturing · Vol. 1, Issue 2, 2016 · pp. 21–27 Read article
-
An Analysis of Ujjani Reservoir in Solapur, Maharashtra, India, Using Mathematical Modeling and Satellite Remote Sensing Techniques for Sedimentation Studies
Abstract: The reservoir's storage capacity steadily decreases due to sedimentation. The reservoir life can be preserved by monitoring sedimentation and implementing appropriate management measures. The Ujjani dam was built for power generating, irrigation, and water delivery systems. It is located in the drought-prone Solapur district, due to which Ujjani is an important initiative for the region's economy and society. In the present study, the Ujjani reservoir's sedimentation is evaluated for monitoring …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 9, Issue 2, 2023 · pp. 1–9 Read article
-
Adaptive Clustering Strategies for 5G-IoT Wireless Sensor Networks: Insights into Neuro-Fuzzy Approaches
Abstract: The new cellular network standard is 5G. The Internet of Things, or IoT, is growing and changing quickly. Massive cellular bandwidth increases brought about by 5G make it much simpler for the Internet of Things to connect many devices. Current LTE networks will be ten times slower than 5G. This increase in speed will allow IoT devices to communicate and share data faster than ever. In this research, we have …
Published in International Journal of Microwave Engineering and Technology · Vol. 11, Issue 1, 2025 · pp. 33–55 Read article
-
A Review of Combustion Modeling Techniques for IC Engines: CFD Simulations and Experimental Correlations
Abstract: For a long time, internal combustion (IC) engines have been the mainstay of power generating and transportation systems. However, a move toward cleaner and more efficient engine technologies has been spurred by stricter pollution restrictions and growing environmental concerns. In this context, combustion modeling has emerged as a critical tool for understanding in-cylinder processes and improving engine performance. This review focuses on the evolution and application of various combustion modeling …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 11, Issue 1, 2025 · pp. 13–20 Read article
-
Design and Analysis of MacPherson Suspension System and Enhanced Suspension Systems
Abstract: Customers look for safety and comfort, thus they are crucial to the success of car marketing. The McPherson suspension system, one of the most popular shock absorbers, has a history of excellent performance. Its unexpected demise and sudden fracturing, however, made it clear that the system needs thoughtful adjustments. The most important components of the shock absorber system that require improvement are the strut mount and spring. Because of the …
Published in International Journal of Mechanics and Design · Vol. 10, Issue 2, 2024 · pp. 13–26 Read article
-
Development of dynamic model for alkaline water electrolyser: Application to disturbance analysis
Abstract: A dynamic model of an alkaline water electrolyser plant has been developed to study its time dependent behaviour when it is subjected to dynamically varying inputs like changing electrolyte flow, inlet temperature, pressure, current, voltage. Such dynamic conditions are expected to arise during start up and shut down and also when the electrolyser is coupled to a nuclear or renewable electricity source, both of which exhibit time dependent power output …
Published in International Journal of Chemical Engineering and Processing · Vol. 5, Issue 1, 2019 · pp. 11–23 Read article