TehniÄka termodinamika - Kemijsko-tehnoloÅ¡ki fakultet

More documents

Recommendations

Info

TEHNIČKA TERMODINAMIKA _________________________________________ za p = konst. p2 V1 = p1 V2 T T V1 → p2 = p1 = 181.45 ⋅ 3 = 544.35 bar V2 V V 2 1 V3 = V2 3 2 V = V = 3 2 1 3 1 2 V2 Qizoter. = m ⋅ R ⋅T ⋅ ln V1 → V 2 V1 = = 0.33 m 3 V2 3 → V3 = = 0.165 m 2 → T 3 T2 = 2 3 873 = = 436.5 K 2 8.314 1 = 5 ⋅ ⋅ 873 ⋅ 2.3 ⋅ log = −19912 kJ 2 3 29.30 Qizobara = m ⋅ c p ⋅ ( T3 − T2 ) = 5 ⋅ ⋅ ( 436.5 − 873) = −31974 kJ 2 Qukupno = Qizot. + Qizob. = −51886kJ W izoter. Wizobar. = p2 3 V2 = Q izoter. = −19912 kJ ⎛ 1 ⎜ ⎝ 6 1 ⎞ ⎟ 3 ⎠ 2 ( V − ) = 544.35 ⋅10 ⋅ − = −9073 Wukupno = Wizot. + Wizob. = −28985 kJ kJ Primjer 4.5. 1 kg zraka temperature 20 °C treba ugrijati na 180 °C i to: a) uz konstantan tlak, b) uz konstantan volumen, c) politropskom kompresijom (n = 1.2). Treba izračunati promjenu entropije za sva tri slučaja. 168
_________________________________________________Drugi glavni zakon termodinamike Rješenje a) ∆ T 29.31 453 2 −1 −1 s = s2 − s1 = c p ⋅ ln = ⋅ 2.3log = 0.440 kJ kg K T1 29 293 169
Page 2 and 3:
Prof. dr. sc. Nedjeljka Petric Prof
Page 4 and 5:
Izdavač Kemijsko-tehnološki fakul
Page 6 and 7:
Tehnička termodinamika____________
Page 8 and 9:
Page 10 and 11:
Page 12 and 13:
Page 14 and 15:
Page 16 and 17:
Page 18 and 19:
TEHNIČKA TERMODINAMIKA ___________
Page 20 and 21:
Page 22 and 23:
Page 24 and 25:
Page 26 and 27:
Page 28 and 29:
Page 30 and 31:
Page 32 and 33:
Page 34 and 35:
Page 36 and 37:
Page 38 and 39:
Page 40 and 41:
Page 42 and 43:
Page 44 and 45:
Page 46 and 47:
Page 48 and 49:
___________________________________
Page 50 and 51:
___________________________________
Page 52 and 53:
___________________________________
Page 54 and 55:
___________________________________
Page 56 and 57:
___________________________________
Page 58 and 59:
___________________________________
Page 60 and 61:
___________________________________
Page 62 and 63:
___________________________________
Page 64 and 65:
___________________________________
Page 66 and 67:
___________________________________
Page 68 and 69:
___________________________________
Page 70 and 71:
___________________________________
Page 72 and 73:
___________________________________
Page 74 and 75:
___________________________________
Page 76 and 77:
___________________________________
Page 78 and 79:
TEHNIČKA TERMODINAMIKA____________
Page 80 and 81:
Page 82 and 83:
Page 84 and 85:
Page 86 and 87:
Page 88 and 89:
Page 90 and 91:
Page 92 and 93:
Page 94 and 95:
Page 96 and 97:
Page 98 and 99:
Page 100 and 101:
Page 102 and 103:
Page 104 and 105:
Page 106 and 107:
Page 108 and 109:
Page 110 and 111:
Page 112 and 113:
Page 114 and 115:
___________________________________
Page 116 and 117:
___________________________________
Page 118 and 119: ___________________________________
Page 120 and 121: ___________________________________
Page 122 and 123: ___________________________________
Page 124 and 125: ___________________________________
Page 126 and 127: ___________________________________
Page 128 and 129: ___________________________________
Page 130 and 131: ___________________________________
Page 132 and 133: ___________________________________
Page 134 and 135: ___________________________________
Page 136 and 137: ___________________________________
Page 138 and 139: ___________________________________
Page 140 and 141: ___________________________________
Page 142 and 143: ___________________________________
Page 144 and 145: TEHNIČKA TERMODINAMIKA ___________
Page 170 and 171: ___________________________________
Page 172 and 173: ___________________________________
Page 174 and 175: ___________________________________
Page 176 and 177: ___________________________________
Page 178 and 179: ___________________________________
Page 180 and 181: ___________________________________
Page 182 and 183: ___________________________________
Page 184 and 185: ___________________________________
Page 186 and 187: ___________________________________
Page 188 and 189: ___________________________________
Page 190 and 191: TEHNIČKA TERMODINAMIKA____________
Page 218 and 219:
Page 220 and 221:
Page 222 and 223:
Page 224 and 225:
Page 226 and 227:
Page 228 and 229:
Page 230 and 231:
Page 232 and 233:
Page 234 and 235:
Page 236 and 237:
Page 238 and 239:
Page 240 and 241:
Page 242 and 243:
Page 244 and 245:
Page 246 and 247:
Page 248 and 249:
Page 250 and 251:
Page 252 and 253:
Page 254 and 255:
Page 256 and 257:
___________________________________
Page 258 and 259:
___________________________________
Page 260 and 261:
___________________________________
Page 262 and 263:
___________________________________
Page 264 and 265:
___________________________________
Page 266 and 267:
___________________________________
Page 268 and 269:
___________________________________
Page 270 and 271:
__________________________________T
Page 272 and 273:
__________________________________T
Page 274 and 275:
__________________________________T
Page 276 and 277:
__________________________________T
Page 278 and 279:
__________________________________T
Page 280 and 281:
__________________________________T
Page 282 and 283:
__________________________________T
Page 284 and 285:
__________________________________T
Page 286 and 287:
__________________________________T
Page 288 and 289:
__________________________________T
Page 290 and 291:
__________________________________T
Page 292 and 293:
__________________________________T
Page 294 and 295:
__________________________________T
Page 296 and 297:
__________________________________T
Page 298 and 299:
__________________________________T
Page 300 and 301:
__________________________________T
Page 302 and 303:
__________________________________T
Page 304 and 305:
__________________________________T
Page 306 and 307:
Page 308 and 309:
Page 310 and 311:
Page 312 and 313:
Page 314 and 315:
Page 316 and 317:
ad. TEHNIČKA TERMODINAMIKA________
Page 318 and 319:
Page 320 and 321:
Page 322 and 323:
Page 324 and 325:
Page 326 and 327:
Page 328 and 329:
Page 330 and 331:
Page 332 and 333:
Page 334 and 335:
Page 336 and 337:
Page 338 and 339:
Page 340 and 341:
Page 342 and 343:
___________________________________
Page 344 and 345:
___________________________________
Page 346:
___________________________________
show all

TehniÄka termodinamika - Kemijsko-tehnoloÅ¡ki fakultet

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?

TehniÄka termodinamika - Kemijsko-tehnoloÅ¡ki fakultet