Research Article
Experimental Investigation on Flow Field Characteristics of Impinging-Film Cooling
Table 2
Uncertainty of flow field experimental measurement parameters.
| | , units | Value | △ | (△/)% | Note |
| | , K | 308 | ±0.5 | ±0.16 | Secondary airflow temperature | | , K | 338.46~423.15 | ±0.5 | ±0.15 | Primary airflow temperature | | , pa | | ±75 | ±2.5 | Secondary airflow pressure | | , pa | | ±100 | ±2.5 | Primary airflow pressure | | , m3/h | 420 | ±10.5 | ±2.5 | Primary airflow volume flow rate | | , m3/h | 1.7~18.9 | ±0.47 | ±2.5 | Secondary airflow volume flow rate |
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