Теплофизические свойства гексана и гептана при 60 °С
Свойство
| Гексан
| Гептан
| Плотность, ρ, кг/м3
| 622
| 645
| Вязкость, μ, Па×с
| 0,000221
| 0,00029
| Теплоѐмкость,с,Дж/(кг×К)
| 2296
| 2264
| Теплопроводность,λ ,Вт/(м×К)
| 0,137
| 0,114
| Определяем свойства смеси гексана и гептана по уравнеиям :
Плотность
![](data:image/png;base64,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)
Отсюда =632 кг/м3
Вязкость
lg μ2 = 0,57∙ lg0,000221+0.43∙lg0,00029= -3,6
Тогда μ2 = 0,00025 Па∙с
Теплоемкость
0,57∙2296+0,43∙2264=2282,24![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAC4AAAAmCAIAAAA0iD4NAAAEYklEQVR4nOWXWSi0URjHB2NJlIQSiqzJWoSy5EKWhGwlS6IsQ5Ybe0z2pZAlkVJKubBmz4U1y4ULa/b9xpKyRdbv35yv1zS7mbF8fc/F9LznnHnP733Oc875P/T393fa7zD6TwN82D+Isry8HBAQcHR09PFPOt3GxmZmZkZRUfFbUaytraenp11cXA4PD/FYWFj48PBQVlYmFYjPocAQAGdnZ+Kvrq4GBgZKkeNzKIiKm5sbhcJkMom/u7sbFRW1tbVVWVkZGxuLFhMTk5GREUNDw+Pj45ycnLGxsZeXFycnp+HhYSmg4F39/f1FRUXwHx8fT05OzMzMSFdzc3Nvb+/Q0FBBQQFQ7u/vLy4uwPH29ubh4REUFLS3t3d6epqUlCR4ClFRMBPSRVNTE/76+rqpqamcnBzpqqqqwm9YWFhCQgKNFTALCws4DQ0NxsbGpaWl8M3NzScmJqSDUl9fT30WJrOysuIYcHd3h8jJysqSR+JgaUR8v6goc3NzWBFsZvK4srLCjbK9ve3t7Y3gYRFfX1+RSQoKCtzDJEXJzMzMz8+XkZEhj4iKj48Px5jOzk7CurOz4+npCUdJSUlVVVWaKC0tLbinwsPDqRb2BQoNDcWAqampycnJ6upqgpKcnAzH1ta2rq4uLS1taWmpvb0d2S0RSmJiIkGhkoCYvr6+urr6+Pg4NouOjg7IsDTy8vIEBdkKp7a2NjIysry83M/PD77QbxaCsrGxUVxcnJ2dzdGOUwTTY8dy74vLy0viICpra2tCCURFwUdHR0dzt6upqWHHIjFFn0lSFHyZtrY2TxQ7OzspcghH6ejo4NmO21hoGkqKQu3Y7zF2DfmLpdMPSt1fHJUftK9CGRwcxFGL65roX9xHuCMhLfb39w0MDPr6+iwtLb8JxdfXF2c0TkiiZmDn5+fAwo0dERHB8y9fuEAoEry8vIjf1dXV2tra2NiIu4LfeN4oubm5FRUVkCnQPpCJGRkZuNWol8bHxy8uLhoZGQlGgayBuri9vU1NTdXQ0MCSoV4RMJ53X0lJCc5ZqEDIUtQZeXl5VBdU6vz8PGTA6OiogPc+Pz8fHBxcXV2hMID8S09PF8zNFwWfggMGyg0o7Bww6A/0bm5uCn4vrvSnpyfUAD09PUBBIJWVlcVBweWuq6sbEhLS3d3N0XVzc4P1Yi/GUBzNzs5yDEOiQF+iSKCxRGBKSgpyRUyU6+vruLg4rBQEGNWOV6POQCYRcUSMm4PGShRXV1fiYzcNDAwgyYKDg8VBwULExMRg96PiojIU5QVEmoqKisDP+4tCbR9YTU2Nu7u7o6Mjgv1pFIhWiMisrCwEpq2tjbTjmMIcenp6TU1NpMARgMIu95Eo0LlQYdCg/C5/viik+IO6LmYZSV4cUND6CBL7qnEYSlQGg4EDzd7eHtP7+/uTdgcHB2QVzpWFhQUtLS1RUc7OzoiDwEDGUu0MlvGDIIZsxTbm2cVkGb8//gfXoRj2i1D+AE/vC/gz2xrPAAAAAElFTkSuQmCC)
Теплопроводность
0,57∙0,137+0,43∙0,114=0,622![](data:image/png;base64,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)
Свойства парового конденсата (воды) берѐм из приложения 8. Все полученные значения сводим в таблицу
Теплофизические свойства потоков
Свойство
| Горячий поток(конденсат)
| Холодный поток(сырье)
| Средняя температура,°С
| 143
| 65
| Плотность, ρ, кг/м3
| 923
| 632
| Вязкость, μ, Па×с
| 0,0002
| 0,00025
| Теплоѐмкость,с,Дж/(кг×К)
| 4270
| 2282
| Теплопроводность,λ,Вт/(м×К)
| 0,685
| 0,622
| Критерий Прандтля,
| Не нужен
| 0,92
| |