Assertion: whistle's effect | /r/CreatedBy | the vibrating steam
Facets:
value: outside the enclosed pipe
type: LOCATION
Source sentences:
text: This effect (the “end correction”) is caused by the vibrating steam inside the whistle engaging vibration of some steam outside the enclosed pipe, where there is a transition from plane waves to spherical waves.  
text: This effect (the “end correction”) is caused by the vibrating steam inside the whistle engaging vibration of some steam outside the enclosed pipe, where there is a transition from plane waves to spherical waves.