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A body is called a stream-line body when
- a)it is symmetrical about hte axis along the free stream
- b)it produces no drag for flow around it
- c)the flow is laminar around it
- d)the surface of the body coincides with the streamlines
Correct answer is option 'D'. Can you explain this answer?
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A body is called a stream-line body whena)it is symmetrical about hte ...
Understanding Streamline Bodies
A streamline body is defined by its ability to allow fluid to flow around it without causing disruption in the flow pattern. This leads to more efficient movement through the fluid medium and is crucial in various engineering applications.
Definition of a Streamline Body
- A body is termed streamline when its surface aligns with the flow streamlines.
- This alignment ensures that the fluid flows smoothly over the body, minimizing disturbances.
Key Characteristics
- Surface Coincidence with Streamlines: The primary feature of a streamline body is that its surface coincides with the streamlines of the fluid flow. This means that the fluid moves along the contours of the body, leading to reduced friction and turbulence.
- Minimized Drag: Although a streamline body may not produce zero drag, it is designed to reduce drag forces significantly. The streamlined shape helps in cutting through the fluid, thus lowering resistance.
- Flow Type: The flow around a streamline body is typically laminar, but this is not a strict requirement. The primary condition is the surface alignment with the streamlines.
Conclusion
Choosing a streamlined shape for bodies, such as aircraft wings or boat hulls, enhances performance by reducing drag and improving fuel efficiency. The concept of streamline bodies is vital in mechanical engineering, particularly in aerodynamics and hydrodynamics, where fluid flow is a significant factor.
A streamline body is defined by its ability to allow fluid to flow around it without causing disruption in the flow pattern. This leads to more efficient movement through the fluid medium and is crucial in various engineering applications.
Definition of a Streamline Body
- A body is termed streamline when its surface aligns with the flow streamlines.
- This alignment ensures that the fluid flows smoothly over the body, minimizing disturbances.
Key Characteristics
- Surface Coincidence with Streamlines: The primary feature of a streamline body is that its surface coincides with the streamlines of the fluid flow. This means that the fluid moves along the contours of the body, leading to reduced friction and turbulence.
- Minimized Drag: Although a streamline body may not produce zero drag, it is designed to reduce drag forces significantly. The streamlined shape helps in cutting through the fluid, thus lowering resistance.
- Flow Type: The flow around a streamline body is typically laminar, but this is not a strict requirement. The primary condition is the surface alignment with the streamlines.
Conclusion
Choosing a streamlined shape for bodies, such as aircraft wings or boat hulls, enhances performance by reducing drag and improving fuel efficiency. The concept of streamline bodies is vital in mechanical engineering, particularly in aerodynamics and hydrodynamics, where fluid flow is a significant factor.
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A body is called a stream-line body whena)it is symmetrical about hte axis along the free streamb)it produces no drag for flow around itc)the flow is laminar around itd)the surface of the body coincides with the streamlinesCorrect answer is option 'D'. Can you explain this answer?
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A body is called a stream-line body whena)it is symmetrical about hte axis along the free streamb)it produces no drag for flow around itc)the flow is laminar around itd)the surface of the body coincides with the streamlinesCorrect answer is option 'D'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about A body is called a stream-line body whena)it is symmetrical about hte axis along the free streamb)it produces no drag for flow around itc)the flow is laminar around itd)the surface of the body coincides with the streamlinesCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A body is called a stream-line body whena)it is symmetrical about hte axis along the free streamb)it produces no drag for flow around itc)the flow is laminar around itd)the surface of the body coincides with the streamlinesCorrect answer is option 'D'. Can you explain this answer?.
A body is called a stream-line body whena)it is symmetrical about hte axis along the free streamb)it produces no drag for flow around itc)the flow is laminar around itd)the surface of the body coincides with the streamlinesCorrect answer is option 'D'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about A body is called a stream-line body whena)it is symmetrical about hte axis along the free streamb)it produces no drag for flow around itc)the flow is laminar around itd)the surface of the body coincides with the streamlinesCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A body is called a stream-line body whena)it is symmetrical about hte axis along the free streamb)it produces no drag for flow around itc)the flow is laminar around itd)the surface of the body coincides with the streamlinesCorrect answer is option 'D'. Can you explain this answer?.
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A body is called a stream-line body whena)it is symmetrical about hte axis along the free streamb)it produces no drag for flow around itc)the flow is laminar around itd)the surface of the body coincides with the streamlinesCorrect answer is option 'D'. Can you explain this answer?, a detailed solution for A body is called a stream-line body whena)it is symmetrical about hte axis along the free streamb)it produces no drag for flow around itc)the flow is laminar around itd)the surface of the body coincides with the streamlinesCorrect answer is option 'D'. Can you explain this answer? has been provided alongside types of A body is called a stream-line body whena)it is symmetrical about hte axis along the free streamb)it produces no drag for flow around itc)the flow is laminar around itd)the surface of the body coincides with the streamlinesCorrect answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
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