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15.3 The appliance is installed in its position of normal use. The drain pan discharge pipe is
4 f, p9 V0 y, E2 j1 E, jblocked, and the pan carefully filled to the brim without splashing. The drain pan is then+ B6 w" Q; r4 h7 I* x$ |9 }5 K) F
subjected to a continuous overflow, the rate of which is adjusted to approximately 17 cm³/s( {) e2 q6 w! b7 B+ M
per 1 m³/s airflow, and the fan(s) switched on. The test is continued for a period of 30 min, or
' a. s) W3 V' l3 b! t2 Luntil water drains from the appliance.
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问题有3:! J, b7 u' i7 L1 `9 K O" ?& r. ^
1、溢流的速率17 cm³/s per 1 m³/s airflow 是一定的还是根据空调风量、换热面积进行换算得来的?如何换算?是线性关系吗?" w( z- @6 H. ^0 T C1 b2 N
2、试验连续进行30min或直到水从器具中排出。请问,是否需要考虑即便水已经从整机溢出了,但须达到一个进出平衡,即整机的溢水速度要等于灌水的速度,才能终止试验。
1 W' K8 E: o6 V8 h" j8 u3、大家的试验器材用的是什么样的?自己动手做的吗?通常调节的范围有多大?% D5 L) s0 W; l; z
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谢谢! |
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