UNIVERSITY EXAMINATIONS. UNIVERSITEITSEKSAMENS UNISA fe CEM4703 October/November 2013 CHEMICAL ENGINEERING reer IV: UNIT OPERATIONS (MODULE Duration 3 Hours 100 Marks EXAMINERS: FIRST MRS N FUNGURA ‘SECOND DR JA FOX Use of a non-programmable pocket calculator is permissible. Closed book examination. This examination question paper remains the property of the University of South Africa and may not be removed from the examination venue ‘This examination question paper consists of 4 pages including the cover page Plus 2 (i-i!) page of formula sheet, 9 (1-ix) pages of Tables, INSTRUCTIONS TO CANDIDATES: ANSWER ALL THE QUESTIONS IF THE INFORMATION AVAILABLE IS NOT COMPLETE PLEASE ASSUME, AND SPECIFY THE REQUIRED VALUE AND CONTINUE WITH THE EXAM PAPER CLOSED BOOK EXAMINATION {TURN OVER]CEM 4703 OCT/NOV 2013 QUESTION 1 A liquor consisting of phenol and cresols with some xylenols Is fractionated in a still to give a top product of 95 3 mole per cent phenol The compositions of the top product and of the phenol in the bottoms are Compositions (mole per cent) Feed | Top | Bottom | Volatiities Phenol 3 93 | 524 34 o—cresol 15 455 27 m= cresol 30 015 17 ‘Xylenols 20 70 100 100 If a reflux ratio of 10 1s used, 11) Complete the material balance over the still for a feed of 100 kmol (6) 12) Calculate the minimum reflux ratio by Underwood's and by Colburn's approximation (25) ‘The heavy key 1s m-cresol and the light key 1s phenol Assume the feed 1s a liquid at its boiling point [30 marks] QUESTION 2 A triple effect forward feed evaporator 1s being used to evaporate a fruit juice solution containing 2mass% solids to a concentrated solution of 15% Saturated steam at 210kPa ts being used The pressure in the vapour space of the third effect is 10kPa The feed rate 1s 10 OO0kg/h at 20°C Assume an equal amount ts vaponsed in each effect The heat of solution is negligible [TURN OVER]CEM 4703 OCT/NOV 2013 Given the following data Heat capacity C, | Coefficients of heat | Boiling point nse kuikgk transfer U Wim?K =| BPR °C Effect1 3 869 3123 036 Effect 2 3684 1987 065 Effect 3 3.015 1136 245 Heat capacity of the feed stream 1s 3 955kJ/kgK ‘Assume change in heat capacity of the liquid solutions from each effect is negligible Calculate the area of each effect Do one iteration using AT; = 15 56°C, AT: = 18 84°C, and AT, = 32 07°C as a first guess [80 marks] (QUESTION 3 3.1 A small concentration of CO; is to be absorbed from the gas stream (mostly air) at 1 atm and ambient temperature by passing it though a packed tower wngated with COp-free water Calculate the percentage of CO: removal in a 2m high tower under the following conditions. Ar flow rate 0 0288kg/s Water flow rate 40 Okg/s Henry's constant 3000atm Ho 05m He 008m (12) 32 Name three advantages and three disadvantages of packed columns in comparison to tray columns in absorption 3) [15 marks] 3 [TURN OVER]CEM 4703 OCTINOV 2013 QUESTION 4 ‘An aqueous solution containing 25 wt % NazSOx 1s fed at 500 kg/h to a continuous crystalliser. The feed enters the crystalliser at 50 °C and the saturated solution and crystals leave at 10 °C at which temperature the stable form 1s Na2SQx 10H20 At 10°C the solution contains 9 kg NazSOz// 100 kg H:0. Itcan be assumed that 2% of the water entering the crystalliser 1s vaponsed ‘Specific heat of solution = 3 5 kJ/kg K Latent heat of vaporisation of water = 2200 kJ/kg Heat of solution of NagSO,4 H20 = - 78 5 MJ/kmol Crystallisation 1s effected by passing chilled brine through the jacket of the crystalliser The brine enters at 0°C and leaves at 8 °C The overall heat transfer coefficient is 120 Wim? °C Relative Atomic mass Na = 23, S = 32 Determine the required heat transfer surface [15 marks} QUESTION 5 ‘A column packed with uniform spherical glass particles 3 mm in diameter and with density of 4200 kg/m’, ts fluidised with a liquid of viscosity 1*10° Ns/m? and density of 1100 kg/m? Determine the minimum fluidising velocity through a bed height (L) if the voidage is = 0.48 [10 marks] FULL MARKS [100] ® UNISA 2013 END)CEM4703 OCTINOV 2013 FORMULA SHEET [TURN OVER]CEM4703 OCTINOV 2013 Vy = Vive Oar + bo(1 — O51) = T= 190-35 (-e)? au (1-e) pw? Ste 1-e)les—p)g ° UNISA 2013 END}CEM4703 OCT/NOV 2013 STEAM TABLES Quantities, symbols and units used: p= specific heat at constant pressure in kI/kg.K y= specific heat at constant volume in ki/kg K h= specific enthalpy in ki/kg p= absolute pressure in kPa = specific entropy in ki/kg.K T = temperature in °C = specific internal energy Ki/kg v = specific volume in m'/kg Subscripts: £= property of saturated liquid ‘&= property of saturated vapour fg = property of phase change at constant pressure [TURN OVER]CEM4703 OCTINOV 2013 TABLE OF PROPERTIES OF SATURATED WATER AND STEAM AS A FUNCTION OF PRESSURE P Vi Ve art kPa mikg_|_™ko kikg K) Gait [aor | ooo1ead | 2062 [0 as | OBST | SOT | 0 OSS | BE 10 29 | oon | 1292 | 29 | 2385 | 29 | 2ass | asia) o106 | anes | sors us 130 | coor | s78 | 5s | 2393 | 55 | 2470 | 2825 | 0196 | sex | 828 20 17s 0.001002 67,01 B 2399 B 2460 | 2533 | 0,261 8463 | 8,724 2s | 211 | ooo | 426 | as | roe | se | 2451 | 2539 | o3t2 | asi | a6 30 | 241 | ooor00 | 4s67 | sor | 2408 } sor | 2444 | 2s4s | o3se | g204 | sre 35 | 267 | ooo | 3948 | tie | 2ei2 | 112 | 248 | 2550 | o3s1 | gist | 3322 40 29.0 0.001004 34,80 121 2415, 121 2433 2554 | 0.423 8,052 | 8475 4s | 310 | coos | arta | 130 | as | 130 | 2428 | 2558 | o4s1 | 7982 | 83 so | 329 | ooot0s | 2820 | 138 | 2420 | 138 | 2423 | 2s6t | ore | 7919 | 8395 60 | 362 | ovo | 2374 | is: | aes | isi | 246 | 2867 | ose | z810 | g331 70 | 390 | oooroo7 | 2053 | 163 | 2428 | 163 | 2409 | 25% | 0389 | 2217 | a276 30 | 43 [ooo] tain | 1% | 22 | ite | 240s | 2577 | 0393 | 7636 | 229 30 | 438 | ooorom | i621 | is | 2s | tas | 2397 | 2500 | ors | 7565 | Stes wo | 458 | ooo | 14s | it | 2438 | ist | 2393 | 2se4 | oo | 7302 | gist " 477 | oooorr | 1342 | 200 | 2440 ] 200 | 2388 | 2sas | oor | a4as | an7 n 44 | ooo1o12 | 1236 | 207 | 2412 | 207 | 2384 | 2591 | 0696 | 7390 | sos 3 sir | ooo | ntar | 213 | 244s | 213, | 2380 | 2894 | oir | 734i | g0se 4 526 | ooo1o1s | 1070 | 220 | 2447 | 220 | 2376 | 2896 | 0737 | 7296 | 033 is 54,0 0.001014 10,02 26 2449 226 2373 2599 | 0,755 7,254 | 8,009 6 333 | oooiors | 943s | 232 | 2480 | 232 | 2370 | 2602 | or | 7215 | 7987 8 578 | ooo | sar | 242 | 24s | 242 | 2364 | 2606 | ogee | ziuz | 7946 20 | 61 | oooior7 | 7651 | 252 | 2asr | 252 | 2358 | 2010 | oss | zor | 7909 n | 2 | oomois | 6997 | 260 | 2489 | 260 | 2353 | 2613 | oass | 2018 | 7876 24 | oat | ooorors | 6aes | 268 | 2462 | 268 | 2348 | 2616 | ssa | soe | 7246 2s | 630 | oooi0 | 6208 | 2m | 246s | 272 | 2346 | 2018 | 089 | 6939 | 7032 30 | 681 | oom | s2s | 289 | 40s | 299 | 236 | 2005 | 0.94 | xs | 7700 38 727 | ooowrs | 4527 | 304 | 2473 | 308 | 2327 | 2631 | oss | e729 | 22707 ao | 759 | coors | 3993 | 318 | 2477 | sa | 2319 | 2657 | 1026 | ous | rer 6 77 | ooorore | 3578 | 330 | 2esi | 330 | 2312 | 26e2 | too | esr | 2631 so | st3 | ooo10so | 3241 | 3a | zase | sar | 2305 | 2646 | 091 | aoe | 7595 35 837 | oootose | 296s | 3s1 | 2487 | 31 | 2299 | 2680 | 1120 | 6aas | 7563 60 86,0 0.001033 2,733 360, 2490 360 2294 | 2654 1,145 6,387 | 7,532 6 830 | oooiss | 2536 | 369 | 2492 | 369 | 2288 | 2657} 1.170 | 6336 | 7506 70 | 900 | coos | 2366 | 377 | 2495 | 377 | 2283. | 2660 | 11192 | 289 | 7480 6 sig | ooois7 | 228 | 384 | 2497 | see | 2279 | 2663 | 1.213 | 624s | 7458 so | 955 | ooo | 20s | 392 | 2499 | 392 | 2274 | 2666 | 1233 | 6203 | 7436 8s 952 | oooion | 1973 | 399 | aso | 399 | 2270 | 2668 | 1252 | erst | 7416 0 967 | ooo | 1870 | 40s | 2503 | 40s | 3266 | 267 | 1270 } 126 | 7396 os_| 982 | ooo | rye | air_| 2505 | a1_| 2200 | 2675 | 1287 | coor | 7378 [TURN OVER](CEM4703 OCTINOV 2013 Ve Vo uy 4, he hy |S Sig mng_|_ ma kik, kiikg, Kikkg K) To | 555 |G ooiass | —,655 | are] 3506 | aie] 358] HoT | TsOT | 5B | 761 rio | 102 | oon | 1580 | 429 | 209 | 429 | 22s: | 26a0 | 1333 | S996 | 7329 wo | ios | oon | nao | 440 | 2512 | 440 | 2248 | 2686 | 1361 | 5939 | 7300 130 | 107 | ooo | 1326 | 449 | 251s | 449 | 2058 | 2087 | 1387 | Sate | 7273 vo | 109 | coos: | i237 | 459 | asie | 459 | 2252 | 26m | vain | 5as7 | 7248 iso | nr | ooo10ss | 1160 | 467 | asa0 | 467 | azzr | 2604 | rasa | sc92 | 7.226 ro | 113 | ooo1ss | ros2 | 47 | 2502 | 476 | 2221 | 2697 | ass | S78 | 7203 wo | 1s | oooioss | voi | as | asa | 4a | 2216 | 2700 | 1476 | 5707 | 74m wo | 117 | oooiose | oo7s | 41 | 2526 | 491 | azit | 2702 | rags | 5.659 | 7164 wo | 119 | ooo10s | 0929 | 498 | 2528 | 49 | 2207 | 2705 | 1513. | 5.633 | 7146 200 | 120 | ooo10s: | ass | sos | 2530 | sos | 2202 | 2707 | 1,530 | sos | 7.128 20 | 123 | oooioss | oso | siz | 2533 | siz | aise | 2mm | 1363 | 5334 | 7097 a0 | 126 | oor | o747 | sap | 2836 | 329 | 2186 | 2s | 1393 | sa7s | 7058 260 | 129 | coos | os | sa | 2539 | 541 | airs | 2m | ian | azo | 7041 20 | 1st | oooiom | aos | sr | aser | 351 | 2in | 2722 | 697 | 369 | 2016 300 | 1324 | ooo | o6os | sor | ase | sor | ase | 27s | 172 | saz | 6993 x20 | 136 | ooo | as | sn | 256 | sm | 2187 | 28 | 10s | saz | con uo | 138 | oooiom | oss | sao | 2sex | sao | 2st | mr | ini | sass | con 360 | 140 | ooo | osir | 589 | 2550 | sao | 21s | 224 | u738 | sss | 6932 380 142, 0.001082 0,485, 597 2552 597 2139 | 2736 1,758 | 5,186 | 6,914 ao | 144 | oooiose | o4sz | ous | asse | eos | zis | 2739 | 1777 | 5120 | sor 420 145 0.001086. 0,442 612 2558 612 2128 2741 1,798 | 5,085 | 6,880 aa | 147 | oooiose | ages | sig | 2557 | aio | 2123 | 2nez | riarz | soss | ess 460 | 149 | oooiose | asos | 627 | 255s | oa7 | zie | 2ms | 129 | son | e850 490 | 130 | ooo: | 0390 | 433 | 2560 | x3 | 2113 | 2746 | 14s | 4950 | 6835 soo | 182 | ovo | oars | oi | ascr | 40 | 210s | 274s | rac | 4961 | 6822 go | 139 | ooo | o3i6 | 67 | 2867 | 670 | 2086 | 2756 | 1931 | 4829 | 6.160 70 | 16s | oooros | 0273 | o7 | 25m | 697 | 2066 | 2763 | 1992 | 4zis | 6207 #00 | 170 | ooos | 0200 | 720 | 2576 | 720 | 2087 | 2767 | 2046 | asst7 | 6.663, 900 | 17s | ooo | ozs | 742 | 2580 | r42 | 2030 | 2772 | 2008 | 4525 | 6619 ooo | 180 | cooiz7 | otse | 762 | 2583 | 762 | 201 | 2776 | ase | 4.007 | 68s rao} ise | oooriss | 177 | mat | 258s | rar | 1999 | 2780 | 2178 | 4373 | 6381 i200 | iss | coors | oes | 708 | 2588 | 798 | i9as | 2783 | 2216 | 430s | 6251 300 | 192 | ooorss | oust | ars | 2590 | sia | 972 | 276 | 2251 | a2 | ass ao | 198 | oootns | xn | 28 | 2591 | 830 | 19s8 | 2786 | 2283 | 4.183 | 6465 soo | 198 | ooorss | orsz | sez | 2509 | sae | 1946 | 2790 | 2314 | aus | esse 600 | 201 | ooo11s9 | otze | ss7 | 2504 | ass | i934 | 2792 | 2343 | 4076 | 619 v7 | 204 | ooottes | ot17 | s69 | 2596 | 872 | 1922 | 2704 | 231 | 4026 | 6397 go | 207 | oootics | ono | sz | 2597 | eee | git | 2795 | 2397 | 3979 | 6376 20_| 212 | ooo1i77 | 10 | 906 | 2598 | sos | isso | 2707 | 2045 | 501 | 6337 [TURN OVER](CEM4703 OCTINOV 2013 (cont) P Ve Ve uy 4, hy, % Sy 5, ‘kPa ming | kifkg ki/kg, ‘kkg K) woo | 27 | ooories | oer | 928 | 2600" | SBT] iow | 2709 | 249 | SBI] 630 240 | 222 | oooriss | 0083 | 949 | 2601 | 951 | 1849 | 2800 | 2534 | 3735 | 6269 2600 | 226 | ooor201 | o077 | 968 | 2601 | 97 | 1830 | 2801 | 2373 | 3666 | 6239 2800 | 230 | ooor209 | oor | 987 | 2602 | 991 | rin | 2802 | 2610 | 3.00 } 6210 3000 | 234 | ooorz6 | oosr | 100+ | 2602 | roo | 1794 | 2802 | res | 3838 | 68s sooo | 237 | coors | ose | toa | 2602 | 102s | 1777 | 2802 | 2678 | s4s0 | 6.tse 3400 | 241 | oooizsi | 0.039 | 1037 | 2602 | 1082 } 1760 | 2x02 | 2710 | 3424 | 6.134 3600 | 244 | ooo123 | ooss | 1053 | 2602 | 10s7 | i748 | 2eor | 2740 | 337 | oan 3800 | 247 | ooorz4s | aosz | 1068 | 2601 | 107 | 1728 | 2001 | 2769 | 3320 | 6.089 000 | 250 | 0001252 | ooso | som | 2600 | 1087 | 1712 | 2799 | 2796 | 32271 | 6.067 4200 253 0.001259 0,047 1096 2600 1101 2798 2,823 | 3,224 | 6,047 4400 | 256 | 000126 | oo1s | iio | 2599 | itis | 1682 | 2797 | 2aaa | 3,178 | 6026 4600 | 259 | ooni2m | oor | us | 2598 | 1129 | 1667 | 2795 | 287 | 3134 | 6007 4800 | 261 | 0001279} oos } i136 | 2597 | 1142 | 1653 | 2705 | 2897 | 3.052 | 5,989 5000 | 264 | oooir8e | 0039 | sas | 2596 | tise | 1639 | 2793 | 2920 | 3051 | 5971 3500 | 210 | coors | 0036 | m7 | 2553 | as | too | 279 | 2976 | 2953 | 5029 6000 | 276 | oooisi9 | 0032 | 1206 | 2589 | 121s | 1570 | 274 | 3.027 | 2861 | S888 6500 | 281 | ooo133s | oso | 1233 | 25s | 12 | 1536 | 2777 | 3.076 | 273 | Ssu9 7000 286, 0.001351 0,027 1258 2580 1268 1504 2m 3,122 | 2,690 | 5,812, 7500 | 201 | ooors6s | 002s | i283 | 2575 | 1293 | tarz | 2765 | 3.166 | 2eu | S777 000 | 295 | ovorses | 0023 | 1306 | 2570 | isis | 440 | 2758 | 3.208 | 2535 | 5.783 8500 | 209 | ooorsor | oc22 | 1329 | 2see | is | 1409 | 2780 | 3.249 | 2461 | S710 9000 | 303 | ooorsis | 0,020 2sse | 136 | i377 | 27a | 3288 | 2389 | S677 9s00 | 307 | ooo1s3s | 0.019 asst | azar | 346 | 273 | 3326 | 2320 | S16 ooo | _311_| oooi4ss | ors 2saa_|_ta09_| 131s | 274 | 3302 | 2382 | S14 v [TURN OVER]CEM4703 OCT/NOV 2013 PROPERTIES OF SATURATED WATER AND STEAM AS A FUNCTION OF TEMPERATURE Ta hy hig °C kikg aT Tp] sar aar ? so | 206 | dans i wom | den | doe ‘ ae [ier [3s : Be [im [36 » eo fu |ass b fe [im | in i sm |i | 3s ts aie |e | tno ' Sis [de | aoe » om [uss | 200 2 a% |i |ien % tobe | dase | ses % iso | ao | 2509 a ums | das | 22 » ny [ano | a6 2 rat | as | 3500 a tos fant | ae % wor [ns | Be Es va [ant [3s » wos fase fosn | rom | nase 2 nam [2se | oa | Hen | Ram a gor [om foas | ise | ies “ po [is fame | tame | Rie s by jim fom [ae [sin Py aa son 3 Bo te @ Ba i310 8 Be i D au ae » 2 19 2 Bo Tors s os bes » Bn saat s an wan ae 1396 Fry te in xt a io as sono 10 au ons ie oss | lo 250 i Sie) | do Sie te oso | low oe to ma | ion 8505 x a2 | io 609 210 bie | ino 235s 20 ous | iss ohn 20 ot | i 8209 Ho or | tet oh 1 ve | an 960 v [TURN OVER]CEM4703 OCTINOV 2013, TABLE OF PROPERTIES OF SUPERHEATED STEAM Tables P t (Pa) | eo) 10050 3509 500 O6IZ | OO | vy R0GT | v 243 2aLT 319.5 4106 308,533.85 % 2375 | u 2446 25172589 2801 20693132 he 2501 | & 259526892784 3179 3280 a9 935 | 5 9468 9.739 9978 i074 1090119 to | 70 |x 1292)» 94 m2 1953 2876 310.7 3568 ae 285 |v 244528172589 2390 29693132 he 2514 | 259826892784 31773280 3489 se 894] 5 92K 9,512 9.751 1051 1067 10.96 20 | 175 | % 6701] » 74,53 8608 9763 1092 12071323438 1553 8A am 2299 | u 244525162588 © 2661-2736 «81228902969 3182 he 253 | 28042688 27832882977 30773177319 as9 SSB] s 8922 9,193 9432 9.647 | 9.844 1003 10,19 10351068 40 | 290 |v 3480] » 3724 43.03 48815458 60356612, 7189 77.66 8920 a is | u 2445 2516 258826612736 7HIZ-_—2800 28695132 m 2554 | & 2504 2688 278328802977 30% 31773279 a9 S84] 5 R601 8873 BII2 9327 9.524 9805-9873 1003 10.32 so | 329 |v 2820] » 2978 3442 39.04 43.66 48.28 5290 5872 137136 sy 2420 | u 2448S 25162588 26612737 2RI2_« 289029093132 me 2861 | h 2598 2688 77862882978 307731773280 3489 8308 | s 8496 8768 9.008 9223 9,420 9.601 9.772 9.927 102 60 | 362 | 2374 | » 2481 2868 3253 3638 40.23 44084793 51,77 5947 2405 | u 2444 25162850 2661-276 8122890 28693132 he 2567 | h 2593 26882783 28792977 30763773279 3489 8329 | 5 BAIS 68S 89S 9,140 9.337518 9686 8.BAE 10,13 80 | 415 | 1810] » 1360 21,50 24402728307 33.06 35.94 3883 44,60 am 32 | u 244d 25162588 2661 2735628123890 26963132 me 2576 | h 2593 268827832879 297730763177 32793489 8227) s 827 8552 B72 9,007 9.204 9385 9553 -9.7I1 10.00 wo | a8 | 1467 |» 1487 172019512883 241d 2645287 —31.06 35.68 maT | uw 24432516 2588 26622736 «82-2890 28493132 he 2584 | h 2592 26882783 28802977 30773177 32803489 = 819 | 5 8173 8447 S688 8.903 9.100.281 9.480 9,607 9.807 vi [TURN OVER]‘CEM4703 OCTINOV 2013 (cont) P T rheat temperature: (kPa) | CC) Too 150200250300 350 «AO 20 Ol [ve TOR |v ~«RSKG 97K LOST 1206 13.22 1437 —«15,53—«17,84 2456 | u 2514-2587 2661-2736 281228892969 3132. fy 2609 | fh 2686-2782 2879-2977 3076-3177 32793489. Se 7907 | 5 8126 8367-8583 8,780 8,961 94,130 9.288 9,578 40 75,9 | ve 3,992 | » 4,280 4,865 SA48 6,028 6,607 7,185 7,763 8,918 ty 2476 | u 2513-2586 2660-2735 BLL 2889 29683132 he 2636 | h 26842781 287B_ 29773076. 31763279 54R9 Se 7,669 | 5 7,801 8,085 8262-8780 G41 BBO -B96B_— 9.258, so 813 |v 3.239 |» 3,420 3,890 4,356 4,821 5,284 5,747 6,209 7,134 uy 2483 | u 2512-2585 2660-2735 28122891 29695132 hy 2645 | = 26832780 2878-2976 3076-3178. 52793489 Se 7593 | 5 7,694 7,940 835583558537 B70] 8,864 9.154 6 860 |v 2731] » — 2845 3,239 3,628 4.016 4,402 4,788 5,174 5,944 my 2489 | az 2511 2585 2689273528 28RD 2,968 3132 fy 2653 | = 268127792877 2975 307531763279 348. 5 7531 | 5 7,609 7,855 8074-8271 «84538622 «8,780 9,071 80 935 |v, 2087 | » 2127 2.425 2,718 3,010 3.300 3,590 3,879 4,487 a 2498 | 4 2509-2584 2569-2724 BLL 288929683132. hy 2665 | fh 2679-2778 28762975075 3176. 32783488. Se 7434] 57471 7,720 7,939 8138-8320 BBD «8647 83E 100 | 996 | 1,698] vy 1,696 1,937 2.173 2406 2,639 2871 3103 3,565 m, 2506 | 2506-2583 2659273411 288R_ TST 3131 fy 2675 | fh 2676-2777 287629753075 37S MBB HR. se 7,359] 3 7360 7,614 7,824 8033-8215 RIBS 8,543 BATE 101,33 | 1000 | v 1,673 |v 1912 24S 2,375 2,604 2,833 3,062 3,519 uy 2506 | 2583-2659 273528112890 29683131 ft, 2676 | ht 277728762975 3075317732783 4B % 7355] s 7,608 7,828 8.027 820983738537 -B828 150 | 1nd fe L159 |v 1286-1445 1,601 1.757 1,912 2.067 2,376 a 219] w 2580 © 2656-2733. 2809 «28882967331 hy 2693 | 2773-2873 2973 3073. 317532773488 % 13] s 7420 7,643 7,843 «8,027 BI91 8,355 8,646. 200 | 1202 | vy aas6 |v 0.960 408) 1,199 13161433 1,549 1,781 uy, 2530 | wv 2578 «265527322809 288829675131 h, 2071 ht 2770-2871 297130723178. 3277 3487 & TT | s 7,280 7,507 7,708 789280758221 8513 300 | 133.5 | % 0,606 |v 0.634 0,797 0,797 0,875 0,953 1,031 1,187. a 7584 | ow 2572-2729 27682807 2887296653130 tg 2s | ht 2762-2968 «296830703173, 32753486, se 6993] s 7973 7517 7.517 7,702 7,867 8,032 8,324 400 | 143.6 | % 0462] v 0471 0535 0,595 0655 0714 0,730,889 u, 2554) ow 2565-2648 «2727-2805 288529653129 h 239 | hb 2753 2862-2965 306731713274 3485, se 6897 | s 629 __7,172_7,379 7,566 __7,732_7.898 _8,191 vil (TURN OVER]‘CEM4703 OCTINOV 2013 (cont) > T heat temperature: ra) | Co 200350300350 400450500600 500 | 1518 | %, 0375 | v 0425 0.475 0,523 0,570 O17 0,668.71 0,804 uy, 2562 | uv 2644 «272528042883 «296330453129 3300 hy 2799 | 285729623068 346832723377 34B4 3702 se 682] 5 7060 7271 7,460 7,633 7,793 7,944 8087 8,351 600 | 1588] % 0316] v 0352 0,394 0434 O74 5140553 0,592 0,670 xm 2568 | x 264027222801 288129623084 31283299 hn, 2757 | 2851-2958 30623166. 32703376 34833701 % 6761 | s 6.968 7,182 7373 7.546 7,707 7,858 001-8267 700 | 1650} % 0273] » 0300 0634 0.371 0.406 0,440 0.473 0,507 0,574 u, 2573 | u 2636-2720 2800-2880 296130833127 3298 he 2764 | 284629553060 3164 © 326933743482 3700 se 6709 | s 6888 7,106 7,298 7473 7,634 «7,786 7,929 8,195 800 | 1704 | % 020] v 0261 0293 0,324 0384 0384 O4Id 0.843 0,502 u, 2577 | uw 2631-2716 2798-2960 2960 «308231263298 h, 7769 | h 2840-2951 3087-3267 32673373 34BL_ 3699 Se 6653} s 687 7,080 723375717571 7.723 7,866 8,132 990 | 1754] 0215} v 0231 0,260 0.287 0.341 0.314 0.367 0.394 0,446 2581 | wv 2628 2714-2796 «2959-2959 30K1 31263298 A 2774 | 2835 20483055 3266 ©3266 «3372 4803699 6623 | s 6753 6980 7176 7518 7518 7667 7811-8007 1000 | 1799 0,194 |v 0.206 0233 0258 0283 0,307 03300384 o.40t 2584 | u 262327112794 «287529573040 31243297 278 | hh 282929443052 B1SB 3264 «337034783698 6586 | 5 6695 6.926 7,124 7,301 7,464 «7.617 7,761 8028 1500 | 1983 |v 0.132 | v 0132 0,152 0,170 0,187 0.203. 0.219 0.235 0,267 x 2595 | u 259726972784 ©=— «2868 «295230353120 3294 he 2792 | hh 2796-2925 303931483256 336434733604 5 6445 | 5 6452 GIN 6919 7,102 7.268 7,423 7,569 7,838 2000 | 2124 | % 0100) v O12 1,125 0139 0,151 0,163 0,176 0,200 Me 2600] ou 2681 2774 ©=— 2861-2946 ©=—« 303031163291 2799 |b 2908 3025-3138 32483357 3467 ©3690 se 6340 |g 6547 6768 6957 7,126 7,283 7431_—7,701 3000 | 2338] % 0067 |v O71 0081 0,091 0.099 0,108 0.116 0.132 4 2603 | 2646-2751 «84S «293330203108 3RS 2803. | 2858 299531173231 334334563682 5 6186} s 6289 GSH 67446921 7082 7.233—7.507 4000 | 2503] % 0.050} v 0,059 0,066 0,073 0,080 0,086 0,099, 4, 2602 | 2728 ©2828-2921 301030993279 mda | oh 2963 309432143330 34453674 & 6001 6364 6584 6,769 6935 7,089 7,368, val [TURN OVER]CEM4703 OCT/NOV 2013 (cont) P T heat temperature (kPa) | @C) 0350, 350400 «450500 «HD 5000 | 26.9 |v, 0,039 |v 0.045 0,052 0,058 0,063 0.069 0.079 n -2597 | ow 2700 «2810-2907 300030903273, fe 294 | hb 2927 307031963316 34333666 se 593 | s 6212 GAS 6,646 6818 6.975 7.258 6000 | 2756 | % 0,032 |v 0,036 0,042 0,047 0,052 0,057 0,065 uy 2500 | ow 2670 «279228932988 30813266 he 786: | oh 2887 304533773301 34213657, fe 58] s 6.071 63366541 6,719 6,879 7,166 7000 | 2858 | vy, 0.027] v 0.030 0,035 0,040 0,044 0,048 0,056 uy 2581 | ow 2634 «2772-2879 297830733260, he 2m | bh 2841 30183158 328734103649. a 5814 | os 5934 6231 __6.448 _6,632_6,796__7,088 (cont) P T ‘Superheat temperature °C) kPa) _| CO 350375 4002545050000 8000 | 295.0 |v, 0024 | vid” 2094 3,220 3.428 3,625 3,812 4170 4,839 5,476 he 2758 | hh 299030673139 320732723398 3641388 & SMH] 5 6133 6255 6364 64636555 6370197279 9000 | 3033 | % oor | vio? 2578 2,794 2991 3,173, 3346 3673 4.279 4.882 w 7as | 2959 30231183189 3256 «338536333874 5 56 | 5 6039 6171 6286 6390 6.484 6.657 6958 7.220 10000} 3110 | », cote | vaio? 2281 2483 2609 DRI 2972 3275 3A 4353 ms | "h 296 301730973172 S28 3373 62h SRR S615 | = 5947 6091 6213 6321 64196395 6.902 7.166 11000 | 3180 | », 016 | vato* 1,960 2,169 2.350 2.514 2.666 2.949 3.465 3.948 me 7s | h 28892989 3075-3153 «32253360 36163862 Se 5553 | 5 5896 6014 6143 6257 6358 65396850 7,117 1200 | 1246 | y ora | vaio? 4,719 L931 24072265 2,410 2,677 3,159 3.605, hm 2685 | hk 2849 296030523134 3209 3836073856, s 5493 | 5 5762 5937 6076 6.195 6301 6.487 6027072 13000 | 3308 |v 0.013 | vaio? 1,509 1,726 1,901 2035193 2447 2,901 3,318 2662 | -h 2804-2929 302K 314-3192 333535993880. % 5433] 5 5.664 5.862 6.011 6186 6.246 6437 6,758 7,030 14000 | 3366 | y 0,012 | veto? 1,321, 1,548 1,722, 1872 2,006 2.250 2.679 3,071 2638 | 27532806 3003-««3093 3175-3322 «3590 3843 Se 53% | 5 5559 5.784 5946 6079 6,193 6390 6,716 6.991 15000 | 3420 | 5, coro | vat? 461391 AS66174 8d 207824872857 me 26 | hk 2683 28612977307) 3187 330935813837 5312] 5 53 $707 5883 6003612 GMS__6.677_6954 ° UNISA 2013, [END]