Results 11 to 20 of about 5,740,500 (299)
Machines, 2023 Stability and efficiency are the two most important performance indicators of highly loaded aviation axial compressors; however, they often cannot be achieved simultaneously.
Jingyuan Ma, Feng Lin
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A study of the local entropy generation rate in a porous media burner
Archives of Mechanics, 2020 In this paper, the work and performance of the premixed methane-air porous axisymmetrical burner have firstly been simulated numerically using the CFD tools.
I. Mohammadi, J.A. Esfahani, K.C. Kim
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Entropy Generation Rate in a Chemically Reacting System [PDF]
Journal of Energy Resources Technology, 1993 Abstract For a nonchemical-equilibrium state of an isolated system A that has r constituents with initial amounts na = {n1a, n2a, …, nra}, and that is subject to τ chemical reaction mechanisms, temperature, pressure, and chemical potentials cannot be defined.
Gyftopoulos E. P., BERETTA, Gian Paolo
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Heat Transfer and Entropy Generation Evaluation on Molten Salt Tank Foundation with Internal Water Cooling [PDF]
E3S Web of Conferences, 2020 Molten salt tanks are used to store and release thermal energy. Large heat leakage through the molten salt tank foundation to the ground and high temperature of the foundation are detrimental to long-term operation safety.
Sun Shien +4 more
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Analysis of NO Formation and Entropy Generation in a Reactive Flow
Aerospace, 2022 A comprehensive investigation of turbulent combustion is accomplished to study the relationship between nitrogen oxide (NO) formation and entropy generation distribution in a non-premixed propane combustion. The radiation heat transfer and combustion are
Milad Mohammadi +1 more
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Journal of Mechanical Engineering and Sciences, 2023 This paper presented an implementation of entropy generation analysis in the main flow field of a water jet pump via the CFD method. This study aimed to identify the inefficient location of energy conversion and to analyse entropy generation sources in ...
Muhammad Penta Helios +1 more
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Continuum Breakdown Parameter Based on Entropy Generation Rates [PDF]
41st Aerospace Sciences Meeting and Exhibit, 2003 The dimensionless ratio of the mean free path to a reference length scale typically quantifies the extent to which the continuum assumption in fluid flow dynamics breaks down. However, ambiguity exists in the choice of an appropriate length scale and some researchers have suggested a local parameter, like the Knudsen number, for quantifying continuum ...
Camberos, Jose, Chen, Po-Heng
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Assessment of Entropy Generation Rate as a Predictor of Continuum Breakdown [PDF]
36th AIAA Thermophysics Conference, 2003 Peer Reviewed ; http://deepblue.lib.umich.edu/bitstream/2027.42/77391/1/AIAA-2003-3783-821 ...
Chen, Po-Heng +2 more
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Entropy, 2018 Entropy generation in thermal convection with differentially discrete heat boundary conditions at various Rayleigh numbers (Ra) are numerically investigated using the lattice Boltzmann method.
Zhengdao Wang, Yikun Wei, Yuehong Qian
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Energy Science & Engineering, 2023 Complex implicit expressions and many intermediate parameters are not conducive to the application of entropy generation optimization to the performance of thermal and energy systems from component and system perspectives.
Chenzhi Ju +5 more
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