Table 2 Density ( ρ ABT-888 order ), isobaric thermal expansivity ( α p ), and isothermal compressibility ( κ T ) of A-TiO 2 /EG and R-TiO 2 /EG nanofluids
p (MPa) ρ (g·cm−3) 104·α p (K−1) 104·κ T (MPa−1) T = 283.15 K T = 313.15 K T = 343.15 K T = 283.15 K T = 313.15 K T = 343.15 K T = 283.15 K T = 313.15 K T = 343.15 K Base fluid (EG) 0.10 1.1202 1.0989 1.0772 6.31 6.52 6.73 1.00 1.1206 1.0993 1.0776 6.30 6.51 6.72 3.52 3.89 4.34 20.00 1.1279 1.1073 1.0861 6.09 6.27 6.43 3.34 3.69 4.08 40.00 1.1353 1.1152 1.0950 5.89 6.03 6.14 3.33 3.66 4.05 45.00 1.1373 1.1174 1.0973 5.84 5.97 6.07 A-TiO2/EG (1.75 wt.%) 0.10 1.1327 1.1117 1.0901 6.20 6.43 6.66 1.00 1.1332 1.1121 1.0905 6.20 6.42 6.65 3.35 3.61
3.97 20.00 1.1407 1.1200 1.0988 6.06 6.23 6.37 3.38 3.63 4.00 40.00 1.1482 1.1280 1.1076 5.92 6.03 6.09 3.27 3.51 3.85 45.00 1.1503 1.1300 1.1100 5.89 5.99 6.03 A-TiO2/EG (5.00 wt.%) 0.10 1.1584 1.1366 1.1147 6.42 check details 6.51 6.59 1.00 1.1589 1.1370 1.1150 6.41 6.50 6.58 3.61 3.96 4.33 20.00 1.1667 1.1450 1.1239 Endonuclease 6.21 6.29 6.36 3.35 3.65 3.97 40.00 1.1745 1.1535 1.1324 6.02 6.08 6.15 3.39 3.70 4.02 45.00 1.1766 1.1558 1.1349 5.97 6.03 6.10 R-TiO2/EG (1.75 wt.%) 0.10 1.1339 1.1126 1.0910 6.15 6.41 6.67 1.00 1.1343 1.1129 1.0914 6.14 6.40 6.66 3.62 0.03 4.50 20.00 1.1414 1.1209 1.1001 5.93 6.16 6.39 3.28 3.61 3.98 40.00 1.1491 1.1290 1.1093 5.71 5.92 6.12 3.45 3.82 4.24 45.00 1.1513 1.1314 1.1113 5.65 5.85 6.04 R-TiO2/EG (5.00 wt.%) 0.10
1.1622 1.1405 1.1184 6.24 6.43 6.63 1.00 1.1626 1.1409 1.1188 6.23 6.42 6.62 3.52 3.75 4.07 20.00 1.1706 1.1489 1.1271 6.10 6.26 6.40 3.41 3.63 3.93 40.00 1.1779 1.1570 1.1362 5.98 6.09 6.18 3.34 3.55 3.83 45.00 1.1802 1.1592 1.1382 5.95 6.05 6.12 With the aim to report a generalized temperature and pressure correlation of the volumetric behavior of the measured base fluid and nanofluids, the specific volumes (v = 1/ρ), using the following expression [34], were adjusted to the experimental data: (1) where the reference pressure, p ref , was taken as 0.1 MPa. (2) where a, b, and v ref(T ref,p ref) are the LY2109761 mw adjustable parameters, v ref(T ref,p ref) being the specific volume at the reference temperature T ref = 278.