Question

20. indicating the meaning of the symbols used, write mathematical expression for Raynold
number. How does its value determine the nature of flow of a lluid ? Show that
Raynold number is a pure number having no dimensions.
प्रयुक्त संकेतों के अर्थ बताते हुए रेनॉल्ड संख्या के लिए व्यञ्जक लिखिए। यह संख्या किसी तरल की प्रवाह
प्रकृति का निर्धारण कैसे करती है? दर्शाईए कि रेनॉल्ड संख्या एक शुद्ध संख्या है और इसकी कोई विमा नहीं
होती।​

Answer 1

Answer:

Definition. The Reynolds number is the ratio of inertial forces to viscous forces within a fluid which is subjected to relative internal movement due to different fluid velocities. A region where these forces change behavior is known as a boundary layer, such as the bounding surface in the interior of a pipe.

Explanation:

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