Second law analysis of compressible flow through a diffuser subjected to constant wall temperature

Arshad, Mohammad Hasan; Kahraman, Ramazan; Sahin, Ahmet Z.; Ben‐Mansour, Rached

doi:10.1504/ijex.2010.029618

Cited by 2 publications

(2 citation statements)

References 8 publications

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“…The parameters of the prismatic layer are selected to ensure the value of the parameter y + < 1. Eventually, the computational grid's size, as a rule, amounts approximately 4-5 million nodes (Arshad et al, 2010;Martins et al, 2014). a b Figure 8.…”

Section: The Methods Of Flow Simulationmentioning

confidence: 99%

New Flow Stabilizers as a Method to Improve the Reliability and Efficiency of Power Equipment

Zaryankin¹,

Rogalev²,

Rogalev³

et al. 2016

MAS

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<p>This article studies the nature and causes of the dynamic loads exerted by the flow on the walls of the equipment, on an example of a curved component of the steam turbine steam supply system and examines the existing flow stabilizers used to control such loads. Based on the analysis of the shortcomings found in these devices, the article offers new designs of flow stabilizers. The newly developed devices reduce the flow area of the pipeline approximately twice less than the existing ones, so, they were supposed to have much lower hydraulic resistance. The study of the new the flow stabilizers’ efficiency was performed with the use of CFD methods and assessed in comparison with their wide used analogues. Based on the evaluation data, the designed devices provide a comparable level of decrease in dynamic loads, however, they have about five times lower hydraulic resistance. According to their design features, they are also supposed to have better mechanic strength characteristics.</p>

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Section: The Methods Of Flow Simulationmentioning

confidence: 99%

New Flow Stabilizers as a Method to Improve the Reliability and Efficiency of Power Equipment

Zaryankin¹,

Rogalev²,

Rogalev³

et al. 2016

MAS

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show abstract

“…An index of non-uniformity is very convenient to be used for this purpose, which is determined as follows [1,17,18]:…”

Section: Flow Stabilizers Efficiency Evaluationmentioning

confidence: 99%

Application of new flow stabilizers to reduce the flow non-uniformity

Rogalev¹,

Kocherova²,

Kindra³

et al. 2015

ces

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This article researches the nature and reasons for occurrence of dynamic loads from the flow side on equipment walls, as well as considers existing flow stabilizers used to eliminate these loads. New designs of flow stabilizers are proposed based on analysis of disadvantages of these devices, and their efficiency is estimated in comparison with counterparts. According to the estimation results, the developed 1486 Andrey Rogalev et al. devices provide a comparable level of dynamic load reduction; however they have a considerably lower hydraulic resistance.

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Second law analysis of compressible flow through a diffuser subjected to constant wall temperature

Cited by 2 publications

References 8 publications

New Flow Stabilizers as a Method to Improve the Reliability and Efficiency of Power Equipment

New Flow Stabilizers as a Method to Improve the Reliability and Efficiency of Power Equipment

Application of new flow stabilizers to reduce the flow non-uniformity

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