NUMERICAL STUDY OF NATURAL CONVECTION AND SURFACE THERMAL RADIATION IN AN OPEN CAVITY RECEIVER WITH A SIDE WAVY WALL

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SHARIAT PANAHI MASOUD; Elahi Seyed Ali; KARIMI MOHAMMAD

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Seminar Paper

Paper Information

Seminar: CONFERENCE OF IRANIAN AEROSPACE SOCIETY
Year:2016 | Issue:15

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Title

NUMERICAL STUDY OF NATURAL CONVECTION AND SURFACE THERMAL RADIATION IN AN OPEN CAVITY RECEIVER WITH A SIDE WAVY WALL

Author(s)

SHARIAT PANAHI MASOUD | Elahi Seyed Ali | KARIMI MOHAMMAD | Issue Writer Certificate

Keywords

NATURAL CONVECTION

SURFACE RADIATION

OPEN CAVITY RECEIVER

VARIABLE PROPERTIES

Abstract

IN THIS WORK THE NUMERICAL RESULTS OF NATURAL CONVECTION AND SURFACE THERMAL RADIATION IN AN OPEN CAVITY RECEIVER WITH A SIDE WAVY WALL CONSIDERING LARGE TEMPERATURE DIFFERENCES AND VARIABLE FLUID PROPERTIES ARE PRESENTED. THE OVERALL CONTINUITY, MOMENTUM, AND ENERGY EQUATIONS ARE SOLVED NUMERICALLY BY USING THE FINITE-VOLUME METHOD AND THE SIMPLEC ALGORITHM. NUMERICAL CALCULATIONS WERE CONDUCTED FOR RAYLEIGH NUMBER (RA) VALUES IN THE RANGE OF 104-106. THE TEMPERATURE DIFFERENCE BETWEEN THE HOT WALL AND THE BULK FLUID (DT) WAS VARIED IN TWO CASES, 100 AND 400 K. THERMOPHYSICAL PROPERTIES OF THE FLUID ARE CONSIDERED AS TEMPERATURE DEPENDENT IN ALL GOVERNING EQUATIONS, WITH THE PURPOSE OF COMPARING THE RESULT FOR BOTH OPEN CAVITY RECEIVER WITH AND WITHOUT A HOT WAVY WALL. NOTICEABLE DIFFERENCES ARE OBSERVED BETWEEN THE STREAMLINES AND TEMPERATURE FIELDS OBTAINED FOR (DT = 400 K) AND (DT = 100K). THE RESULT INDICATE THAT FOR LARGE TEMPERATURE DIFFERENCES, THE RADIATIVE HEAT TRANSFER IS MORE IMPORTANT THAN CONVECTIVE HEAT TRANSFER, FURTHERMORE THE AVERAGE NUSSELT NUMBER IS DECREASED AS WE USE A HOT WAVY WALL.

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APA: Copy

SHARIAT PANAHI, MASOUD, Elahi, Seyed Ali, & KARIMI, MOHAMMAD. (2016). NUMERICAL STUDY OF NATURAL CONVECTION AND SURFACE THERMAL RADIATION IN AN OPEN CAVITY RECEIVER WITH A SIDE WAVY WALL. CONFERENCE OF IRANIAN AEROSPACE SOCIETY. SID. https://sid.ir/paper/947965/en

Vancouver: Copy

SHARIAT PANAHI MASOUD, Elahi Seyed Ali, KARIMI MOHAMMAD. NUMERICAL STUDY OF NATURAL CONVECTION AND SURFACE THERMAL RADIATION IN AN OPEN CAVITY RECEIVER WITH A SIDE WAVY WALL. 2016. Available from: https://sid.ir/paper/947965/en

IEEE: Copy

MASOUD SHARIAT PANAHI, Seyed Ali Elahi, and MOHAMMAD KARIMI, “NUMERICAL STUDY OF NATURAL CONVECTION AND SURFACE THERMAL RADIATION IN AN OPEN CAVITY RECEIVER WITH A SIDE WAVY WALL,” presented at the CONFERENCE OF IRANIAN AEROSPACE SOCIETY. 2016, [Online]. Available: https://sid.ir/paper/947965/en

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