Results 31 to 40 of about 2,662 (201)

Performance Assessment in a Heat Exchanger Tube with Opposite/Parallel Wing Twisted Tapes

Advances in Mechanical Engineering, 2015
The thermohydraulic performance in a tube containing a modified twisted tape with alternate-axes and wing arrangements is reported. This work aims to investigate the effects of wing arrangements (opposite (O) and parallel (P) wings) at different wing ...
S. Eiamsa-ard, M. Pimsarn, C. Thianpong
doaj   +1 more source

Feasibility study mixed oxide fuel tests in the impulse graphite reactor

Eurasian Journal of Physics and Functional Materials, 2022
The article presents the results of computational studies to substantiate the possibility of testing the fuel of the Multipurpose hYbrid Research Reactor for a High-tech Applications reactor (MYRRHA) in the Impulse Graphite research Reactor (IGR).
G.A. Vityuk, V.A. Vityuk, A.D. Vurim, M.K. Skakov, A.V. Gradoboyev   +4 more
doaj   +1 more source

THERMOHYDRAULIC PERFORMANCE OF AN EQUILATERAL TRIANGULAR DUCT WITH ARTIFICIAL ROUGHNESS USED IN SOLAR AIR HEATER [PDF]

, 2020
The thermohydraulic performance of artificially roughened equilateral triangular solar air heater duct has been investigated and the comparision of the same has been presented with that of a conventional smooth solar air heater duct.
., VARUN, BHARADWAJ, GAURAV, SHARMA, AVDHESH   +2 more
core   +1 more source

Boundary layer measurements for validating CFD condensation model and analysis based on heat and mass transfer analogy in laminar flow condition

Nuclear Engineering and Technology
When analyzing containment thermal-hydraulics, computational fluid dynamics (CFD) is a powerful tool because multi-dimensional and local analysis is required for some accident scenarios. According to the previous study, neglecting steam bulk condensation
Shu Soma, Masahiro Ishigaki, Satoshi Abe, Yasuteru Sibamoto   +3 more
doaj   +1 more source

Numerical investigation on the performance of a solar air heater using inclined impinging jets on absorber plate with parallel and crossing orientation of nozzles

Case Studies in Thermal Engineering, 2023
This work investigates the performance enhancement of a solar air heater using inclined impinging jets on the heater surface. Two main sets of arrangements are considered for the jet nozzles including the parallel and crossing orientation of nozzles in ...
Tao Hai, Ibrahim B Mansir, Bader Alshuraiaan, Azher M Abed, H. Elhosiny Ali, Mahidzal Dahari, Hind Albalawi   +6 more
doaj   +1 more source

A Review of Airside Heat Transfer Augmentation with Vortex Generators on Heat Transfer Surface

Energies, 2018
Heat exchanger performance can be improved via the introduction of vortex generators to the airside surface, based on the mechanism that the generated longitudinal vortices can disrupt the boundary layer growth, increase the turbulence intensity and ...
Lei Chai, Savvas A. Tassou
doaj   +1 more source

Digital Twin-Based Assessment and Forecasting of Marine Plate Heat Exchanger Performance Under Variable Operating Conditions

Machines
This study develops a physics-informed digital twin framework for quasi-real-time assessment and forecasting of marine plate heat exchanger performance under variable environmental and operational conditions.
Martin Bilka, Igor Gritsuk, Andrii Holovan, Olena Volska, Iryna Honcharuk, Marcel Kohutiar, Michal Krbata   +6 more
doaj   +1 more source

The specific aspects of thermal and hydraulic processes in the oil cooler of an aviation gas turbine engine

Авіаційно-космічна техніка та технологія, 2023
The modern gas turbine engines (GTEs) development is associated with an increase in the compressor pressure ratio and the gas temperature at the turbine inlet with a simultaneous reduction in the size and weight of the engine.
Taras Mykhailenko, Oleksandr Goridko, Illia Petukhov   +2 more
doaj   +1 more source

A Comparative Analysis of Machine Learning Techniques for Predicting the Performance of Microchannel Gas Coolers in CO₂ Automotive Air-Conditioning Systems

Energies
The automotive industry is increasingly focused on developing more energy-efficient and eco-friendly air-conditioning systems. In this context, CO2 microchannel gas coolers (MCGCs) have emerged as promising alternatives due to their low global warming ...
Shehryar Ishaque, Naveed Ullah, Man-Hoe Kim   +2 more
doaj   +1 more source

Influence of Thermal Cycling on Friction, Wear, and Damage Evolution of Fused Deposition Modeling of 3D‐Printed Glass Fiber Reinforced Polylactic Acid Composites

Polymer Composites, Volume 47, Issue 18, Page 16212-16232, 20 September 2026.
Schematic illustration of the experimental procedure of the specimens. ABSTRACT This research work investigated the effect of the cyclic thermo‐hygrometric aging regime between −20°C and +40°C with 0–400 cycles on the reciprocating tribological properties of fused deposition modeling (FDM) printed polylactic acid (PLA) and the same material reinforced ...
Sinan Fidan, Satılmış Ürgün, Nevin Gamze Karsli, Taner Yılmaz, Mustafa Özgür Bora, Mehmet İskender Özsoy   +5 more
wiley   +1 more source