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In a boundary layer flow, laminar sub layer can be defined as,
- a)Region in the laminar boundary layer zone adjacent to the solid surface of a boundary or wall
- b)Region in the turbulent boundary layer zone adjacent to the solid surface of a boundary or wall
- c)Topmost region of the laminar boundary layer zone
- d)Topmost region of the turbulent boundary layer zone
Correct answer is option 'B'. Can you explain this answer?
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In a boundary layer flow, laminar sub layer can be defined as,a)Region...
A very thin layer next to the wall in which velocity variations are affected only by viscous effects. This layer is known as laminar sublayer and no turbulence exists in it.
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In a boundary layer flow, laminar sub layer can be defined as,a)Region...
Boundary Layer Flow: Laminar Sub Layer
In a boundary layer flow, the laminar sub layer can be defined as the region in the turbulent boundary layer zone adjacent to the solid surface of a boundary or wall. This region is characterized by smooth, ordered flow patterns similar to those found in fully developed laminar flow.
Characteristics of Laminar Sub Layer:
- The laminar sub layer is located close to the solid surface of a boundary or wall.
- It consists of smooth, ordered flow patterns with low velocity gradients.
- The flow in this region is typically laminar, with fluid particles moving in parallel layers.
Importance of Laminar Sub Layer:
- Understanding the characteristics of the laminar sub layer is important in the study of boundary layer flows.
- It helps in analyzing the behavior of fluid flow near solid surfaces and predicting the overall flow patterns in boundary layer flows.
- The laminar sub layer plays a crucial role in determining the drag forces acting on solid surfaces.
Conclusion:
In conclusion, the laminar sub layer in a boundary layer flow is a region within the turbulent boundary layer zone that is located adjacent to the solid surface of a boundary or wall. It exhibits smooth, ordered flow patterns similar to laminar flow and is essential for understanding the behavior of fluid flow near solid surfaces.
In a boundary layer flow, the laminar sub layer can be defined as the region in the turbulent boundary layer zone adjacent to the solid surface of a boundary or wall. This region is characterized by smooth, ordered flow patterns similar to those found in fully developed laminar flow.
Characteristics of Laminar Sub Layer:
- The laminar sub layer is located close to the solid surface of a boundary or wall.
- It consists of smooth, ordered flow patterns with low velocity gradients.
- The flow in this region is typically laminar, with fluid particles moving in parallel layers.
Importance of Laminar Sub Layer:
- Understanding the characteristics of the laminar sub layer is important in the study of boundary layer flows.
- It helps in analyzing the behavior of fluid flow near solid surfaces and predicting the overall flow patterns in boundary layer flows.
- The laminar sub layer plays a crucial role in determining the drag forces acting on solid surfaces.
Conclusion:
In conclusion, the laminar sub layer in a boundary layer flow is a region within the turbulent boundary layer zone that is located adjacent to the solid surface of a boundary or wall. It exhibits smooth, ordered flow patterns similar to laminar flow and is essential for understanding the behavior of fluid flow near solid surfaces.
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In a boundary layer flow, laminar sub layer can be defined as,a)Region in the laminar boundary layer zone adjacent to the solid surface of a boundary or wallb)Region in the turbulent boundary layer zone adjacent to the solid surface of a boundary or wallc)Topmost region of the laminar boundary layer zoned)Topmost region of the turbulent boundary layer zoneCorrect answer is option 'B'. Can you explain this answer?
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