Question: Referring to Appendix A.4, compute the minimum amount of power required by an adiabatic compressor that handles 5 kg/min of R134a, compressing it from a

Referring to Appendix A.4, compute the minimum amount of power required by an adiabatic compressor that handles 5 kg/min of R134a, compressing it from a temperature and pressure of 320 K and 0.6 bar to a pressure of 4 bar.



Data From Appendix A4


/*/ hLV / hv / st. / SLV/ m/kg m/kg kJ/kg kJ/kg

/*/ hLV / hv / st. / SLV/ m/kg m/kg kJ/kg kJ/kg kJ/kg kJ/(kg K) kJ/(kg K) kJ/(kg .K) 1.2083 -0.0721 -310.16 239.79-70.37 -1.2585 1.1754 -0.0831 T/ K 200 0.006566 0.000679 2.473 -314.59 241.67-72.92 -1.3 204 208 212 216 0.008784 0.000683 1.884 0.01160 0.000687 1.453 -305.68 237.89-67.79-1.2368 1.1437 0.01513 0.000691 1.134 -301.17 235.97-65.20 -1.2153 1.1131 0.01950 0.000696 0.8944-296.62 234.02-62.59 -1.1941 1.0834 0.02488 0.000700 0.7127 -292.02 232.05-59.97 -1.1730 1.0548 0.03141 0.000705 0.5734-287.37 230.04-57.33-1.1521 1.0270 0.03928 0.000710 0.4655-282.68 228.00 -54.68 -1.1314 1.0000 220 224 228 232 0.04869 0.000715 0.3810 -277.95 225.92-52.02 -1.1108 0.9738 236 0.05984 0.000720 0.3143 -273.16 223.80-49.36-1.0904 0.9483 240 0.07296 0.000726 0.2612 -268.32 221.62-46.70-1.0701 0.9234 244 0.08829 0.000732 0.2185-263.44 219.40-44.04 -1.0499 0.8992 246.99 0.101325 0.000737 0.1920-259.76 217.70 -42.05-1.0350 0.8814 250 0.1160 0.000741 0.1692-256.01 215.95-40.06 -1.0199 0.8638 254 0.1380 0.000748 0.1437 -250.99 213.58 -37.41 -1.0001 0.8409 258 0.1632 0.000755 0.1227 -245.92 211.14-34.78 -0.9804 0.8184 262 0.1918 0.000762 0.1053 -240.79 208.63 -32.16 -0.9607 0.7963 266 0.2242 0.000770 0.09078-235.60 206.03-29.56 -0.9411 0.7746 270 0.2607 0.000778 0.07861-230.35 203.36 -26.99 -0.9217 0.7532 274 0.3017 0.000787 0.06834-225.03 200.59-24.44-0.9022 0.7321 278 0.3476 0.000796 0.05963-219.65 197.71-21.93-0.8829 0.7112 282 0.3986 0.000806 0.05222 -214.19 194.73-19.46 -0.8635 0.6905 286 0.4551 0.000816 0.04587-208.66 191.63-17.03 -0.8442 0.6700 290 0.5177 0.000827 0.04041 203.04 188.40-14.64 -0.8249 0.6497 294 0.5866 0.000838 0.03570-197.34 185.03-12.31 -0.8055 0.6294 298 0.6623 0.000851 0.03161-191.55 181.51 -10.04 -0.7862 0.6091 302 0.7451 0.000864 0.02805-185.66 177.82 -7.84 -0.7668 0.5888 piat /v/ MPa -0.0931 -0.1023 -0.1106 -0.1182 -0.1251 -0.1313 -0.1370 -0.1421 -0.1467 -0.1508 -0.1536 -0.1561 -0.1592 -0.1620 -0.1644 -0.1666 -0.1685 -0.1702 -0.1717 -0.1730 -0.1742 -0.1752 -0.1762 -0.1771 -0.1780

Step by Step Solution

3.46 Rating (166 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

To compute the minimum power required by the adiabatic compressor we need to use the First Law of Thermodynamics which states that the change in inter... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Thermodynamics Fundamentals Questions!