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Journal of Thermal Engineering
Scopus
ISSN 2148-7847 · Yildiz Technical University · 1,082 articles in the index
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Journal Article
Turbulent forced convection of hybrid nanofluids in a three-dimensional L-shaped channel Modeling an
The study explores turbulent forced convection of hybrid nanofluids in a three-dimensional L-shaped channel using COMSOL Multiphysics. The hybrid nanofluid comprises copper and aluminum oxide particles dispersed in water, with volume fractions of 0.01 (1%), 0.04 (4%), 0.07 (7%), and 0.1 (10%)…
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Journal Article
Assessment of combustion performance and emissions in a direct injection compression ignition engine
As prospective alternative fuels for diesel engines, the current study examines two edible oils, namely sunflower and palm oil, and three non-edible oils namely jatropha, karanja, and waste cooking oil. The transesterification process was used to produce methyl esters from Karanja oil, Jatropha…
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Journal Article
Experimental analysis and optimization of the air-cooled solar panel
The efficiency and sustainability of solar panels throughout the day remain significant challenges, primarily due to the temperature rise in solar cell materials during peak sunlight hours, which reduces their efficiency. This study aims to enhance the efficiency of solar panels using an…
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Journal Article
Simulation of air flow behavior and its influence on thermal comfort for a naturally ventilated pass
This study investigates thermal comfort parameters at different locations within a moving, non-air-conditioned railway coach in India. The internal environment of a ventilated railway coach is highly dynamic, making it difficult to predict accurately the relative thermal comfort conditions at…
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Journal Article
Magnetohydrodynamic mixed convection within a ventilated cavity crossed by a nanofluid Effect of the
This study presents a numerical investigation into mixed convection heat transfer within a ventilated square cavity containing a circular obstacle, evaluated under various magnetic field inclination angles. Ventilation is ensured by two fixed openings on the vertical walls of the cavity. Cold…
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Journal Article
Computation of compressible non-isothermal power-law model developed Taylor-Galerkin Pressure-corre
In this study, a modified Taylor-Galerkin/pressure-correction finite-element approach has been developed to analyze non-isothermal, compressible, non-Newtonian, and inelastic fluid flows. In many cases, the coupling of viscosity and density to pressure and temperature is critical for accurate…
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Journal Article
Energy and financial efficiency of a single family house in algeria the best way to get rid of state
Financial aid and subsidies for electricity are intended to mitigate the impact of energy bills on low-income households. Unfortunately, these subsidies can represent a significant financial burden for governments. By eliminating them, states can reduce their budget deficit and reallocate those…
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Journal Article
Nonlinear heat transfer analysis of straight fins with temperature-dependent parameters using the fi
This study develops a reliable finite-volume model, implemented in Python, to analyze nonlinear convective–radiative heat transfer in straight fins with nonuniform cross-sections and temperature-dependent properties, which are important in heat exchangers. The one-dimensional steady-state nonlinear…
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Journal Article
Bio-inspired optimization of fuselage design for enhanced aerodynamic efficiency
The fuselage generates drag, contributing to the airplane’s overall drag. To enhance aerodynamic efficiency and minimize fuel consumption, fuselage drag must be reduced. This study considers the implementation of a novel bio-inspired design modification to improve flow control and reduce drag on…
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Journal Article
Fin geometry and pitch length optimization for forced convection in tubes a numerical study
Many applications require smaller, faster, and more powerful electronic devices, leading to excess heat that needs to be removed from the system. Micro-finned tubes are a preferred method to increase the heat-transfer performance of cooling systems. There are a limited number of studies on the fin…
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Journal Article
Recent advances in single-phase liquid cooling techniques for performance enhancement of microchanne
Rapid advancements in electronic technologies have resulted in progressively higher heat flux in electronic devices installed in high-power integrated circuit packages (microchips) over time. Consequently, thermal management has become a critical issue across industrial sectors, therefore, it is…
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Journal Article
Water heater employing granular coal photothermal absorber and solar thermal collector combination
Coal's conventional use causes environmental problems and threatens future energy security. This research presents a photothermal method for coal use, integrating a granular coal photothermal absorber into a solar thermal collector for solar water heater. This method offers a novelty in utilizing…
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Journal Article
Evaluating the thermal performance of PV panels an ANSYS simulation of mixed convection and air spee
This work numerically examines the thermal performance of photovoltaic (PV) panels subjected to mixed convection at various external airflow velocities, simulated in ANSYS Fluent. To model solar radiation and real-time cooling capability, the panel model includes detailed, layer-specific optical…
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Journal Article
Performance comparison evaluation and selection of optimal heat transfer fluid for parabolic trough
Background: The solar parabolic trough collector is among the most promising technologies for converting solar energy into useful thermal energy. Nevertheless, it needs better heat-transfer fluid to operate optimally. The main purposes of this study are to determine the thermal and hydraulic…
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Journal Article
Effect of annular solar eclipse on ionospheric total electron content over low latitude
Solar eclipses provide a distinctive opportunity to study the interactions between solar radiation and the Earth’s ionosphere. This study focuses on the ionospheric response, particularly Total Electron Content (TEC) variations, during the annular solar eclipse on December 26, 2019. TEC from four…
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Journal Article
Optimizing air handling unit operations in clean rooms using artificial intelligence
Cleanroom HVAC systems are inherently energy-intensive, as they are required to maintain precise control over both temperature and humidity within stringent limits. Manual controls are no longer adequate, and they cannot adjust to changes in the environment in real time. To provide intelligent…
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Journal Article
3D mathematical investigation of MHD flow imposed with bioconvective conditions over casson nanoflui
In the current framework, consequence of three dimensional Magnetohydrodynamics bioconvective Casson nanofluid flow by permeable extending surface in the existence of gyrotactic micro-organisms and chemical reaction has been scrutinized. Lie group analysis has been performed along with Runge Kutta…
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Journal Article
Low heat rejection diesel engine performance combustion and emissions characteristics fuelled by die
From environmental sustainability, energy security, and economic stability perspectives, transitioning from diesel engines to alternative fuels is significant. Alternative fuels are crucial in creating a sustainable and secure energy landscape. In this study, a 150 μm-thick Aluminium titanate…
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Journal Article
Residential building thermal transmittance simulation-based analysis in Tehran city with an approach
The article deals with the study related to thermal insulation of building walls in Tehran through energy consumption reduction, aiming to contribute to sustainability of the urban environment. In Iran, more than 40% of total energy consumption is related to the construction and housing sector, so…
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