丙二醇水溶液的导热系数
(2010-09-29 18:46:42)
标签:
丙二醇水溶液导热系数浓度温度 |
分类: 冷暖自知 |
丙二醇水溶液因为其无毒、无腐蚀等性质,在诸多领域作为载冷剂应用。其物理性质对设备和系统的设计都十分重要,下面是丙二醇水溶液的导热系数(W/m.K)与其浓度和温度的关系。(数据来源ASHRAE手册2005)
| 温度℃ | 乙二醇水溶液浓度(体积浓度) | ||||||||
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | |
| |
0.296 | 0.275 | 0.255 | 0.237 | |||||
| –30 |
0.3 | 0.277 | 0.256 | 0.237 | |||||
| –25 |
0.329 | 0.303 | 0.278 | 0.257 | 0.236 | ||||
| –20 |
0.334 | 0.306 | 0.28 | 0.257 | 0.236 | ||||
| –15 |
0.369 | 0.338 | 0.309 | 0.282 | 0.258 | 0.236 | |||
| –10 |
0.41 | 0.375 | 0.342 | 0.312 | 0.284 | 0.259 | 0.235 | ||
| -5 | 0.456 | 0.416 | 0.38 | 0.346 | 0.314 | 0.285 | 0.259 | 0.235 | |
| 0 | 0.51 | 0.464 | 0.423 | 0.385 | 0.349 | 0.317 | 0.286 | 0.259 | 0.234 |
| 5 | 0.518 | 0.472 | 0.429 | 0.389 | 0.353 | 0.319 | 0.288 | 0.26 | 0.234 |
| 10 | 0.527 | 0.479 | 0.434 | 0.394 | 0.356 | 0.321 | 0.289 | 0.26 | 0.233 |
| 15 | 0.535 | 0.485 | 0.44 | 0.398 | 0.359 | 0.323 | 0.29 | 0.26 | 0.233 |
| 20 | 0.543 | 0.492 | 0.445 | 0.402 | 0.362 | 0.325 | 0.291 | 0.261 | 0.232 |
| 25 | 0.55 | 0.498 | 0.449 | 0.406 | 0.365 | 0.327 | 0.292 | 0.261 | 0.231 |
| 30 | 0.557 | 0.503 | 0.454 | 0.409 | 0.367 | 0.329 | 0.293 | 0.261 | 0.231 |
| 35 | 0.563 | 0.508 | 0.458 | 0.412 | 0.37 | 0.33 | 0.293 | 0.261 | 0.23 |
| 40 | 0.569 | 0.513 | 0.462 | 0.415 | 0.372 | 0.331 | 0.294 | 0.261 | 0.229 |
| 45 | 0.575 | 0.518 | 0.466 | 0.418 | 0.374 | 0.333 | 0.294 | 0.26 | 0.229 |
| 50 | 0.58 | 0.522 | 0.469 | 0.42 | 0.375 | 0.334 | 0.295 | 0.26 | 0.228 |
| 55 | 0.585 | 0.526 | 0.472 | 0.423 | 0.377 | 0.335 | 0.295 | 0.26 | 0.227 |
| 60 | 0.589 | 0.529 | 0.475 | 0.425 | 0.378 | 0.335 | 0.295 | 0.26 | 0.227 |
| 65 | 0.593 | 0.532 | 0.477 | 0.426 | 0.379 | 0.336 | 0.295 | 0.259 | 0.226 |
| 70 | 0.596 | 0.535 | 0.479 | 0.428 | 0.38 | 0.336 | 0.295 | 0.259 | 0.225 |
| 75 | 0.599 | 0.538 | 0.481 | 0.429 | 0.381 | 0.337 | 0.295 | 0.258 | 0.224 |
| 80 | 0.602 | 0.54 | 0.482 | 0.43 | 0.382 | 0.337 | 0.295 | 0.258 | 0.223 |
| 85 | 0.604 | 0.541 | 0.484 | 0.431 | 0.382 | 0.337 | 0.295 | 0.257 | 0.222 |
| 90 | 0.606 | 0.543 | 0.484 | 0.431 | 0.382 | 0.337 | 0.294 | 0.256 | 0.221 |
| 95 | 0.607 | 0.544 | 0.485 | 0.432 | 0.382 | 0.336 | 0.294 | 0.256 | 0.22 |
| 100 | 0.608 | 0.544 | 0.485 | 0.432 | 0.382 | 0.336 | 0.293 | 0.255 | 0.219 |
| 105 | 0.609 | 0.544 | 0.485 | 0.432 | 0.382 | 0.335 | 0.292 | 0.254 | 0.218 |
| 110 | 0.609 | 0.544 | 0.485 | 0.431 | 0.381 | 0.335 | 0.292 | 0.253 | 0.217 |
| 115 | 0.608 | 0.544 | 0.485 | 0.43 | 0.38 | 0.334 | 0.291 | 0.252 | 0.216 |
| 120 | 0.608 | 0.543 | 0.484 | 0.429 | 0.379 | 0.333 | 0.29 | 0.251 | 0.215 |
| 125 | 0.606 | 0.542 | 0.482 | 0.428 | 0.378 | 0.332 | 0.288 | 0.25 | 0.214 |

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