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Information Seminar Paper

Title

ALUMINA/ETHYLENEGLYCOL NANOFLUID: INVESTIGATION ON PHASE BEHAVIOR AND THERMODYNAMIC PROPERTIES

Writers

ABADI M.M. | GHADERZADEH F.

Pages

 Start Page | End Page

Abstract

 NANOFLUIDS, FLUIDS EMBEDDED WITH NANOSTRUCTURED MATERIALS AT LOW CONCENTRATIONS, HAVE RECENTLY BECAME A SUBJECT OF GROWING SCIENTIFIC INTEREST DUE TO REPORTS OF GREATLY ENHANCED THERMAL PROPERTIES WHILE THERE IS A FEW WORK HAVE BEEN DONE INVESTIGATING THE THERMODYNAMIC BEHAVIOR OF THESE NOVEL FLUIDS. IN THE PRESENT WORK, THE EFFECT OF ALUMINA NANOPARTICLES ADMISSION ON THE CRITICAL POINT SHIFT AND SATURATION CURVES OF ALUMINA/EG NANOFLUID, AS AN APPLICABLE INDUSTRIAL AND COMMERCIAL BASE FLUID, IS EXAMINED. ALSO THE TRANSFORMATION IN ZEOTROPIC STATE IN A BINARY SYSTEM EG-WATER UNDER THE ALUMINA NANOPARTICLES DOPING IS DISCUSSED. AS A RESULT OF THIS MODELING PROCEDURE, THE NANOFLUID’S CRITICAL TEMPERATURE, WITH NANOPARTICLES CONCENTRATION OF 1.0, 3.0 AND 4.0 VOL%, SHIFTS FROM 50 TO 200OC ALONG SATURATION CURVE WITH REFERENCE TO PURE COMPONENT ETHYLENE GLYCOL. T-X-Y DATA FOR ALUMINA/EG NANOFLUID-WATER BINARY MIXTURE IS ALSO CALCULATED USING NEW CRITICAL POINTS: ABOUT 20-25OC INCREASES HAVE BEEN OBSERVED IN NANOLFUID’S BUBBLING TEMPERATURES, I.E. CONSIDERABLE IMPROVEMENTS IN ANTI-BOILING/ANTI-FREEZING OF EG-WATER BLENDS.

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