Streamlined Bodies
Streamlined Bodies - Related Videos
10:32
Visualization of Flow Past a Bluff Body
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2023
Source: Ricardo Mejia-Alvarez, Hussam Hikmat Jabbar and Mahmoud N. Abdullatif, Department of Mechanical Engineering, Michigan State University, East Lansing, MI Owing to the non-linear nature of its governing laws, fluid motion induces complicated flow patterns. Understanding the nature of these patterns has been the subject of intense scrutiny for centuries. Although personal computers and supercomputers are extensively used to deduce fluid flow patterns, their capabilities are still...
01:18
Streamlines, Streaklines, and Pathlines
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2025
A streamline represents the trajectory that is always tangent to the fluid's velocity vector at any given point. The velocity of a fluid particle is always directed along the streamline, ensuring the particle continuously follows the streamline's path. Streamlines are particularly useful for visualizing the overall direction of flow in a fluid system, and they provide an instantaneous representation of the flow's velocity field. In steady flow, where conditions do not change over time,...
07:28
JUMPn: A Streamlined Application for Protein Co-Expression Clustering and Network Analysis in Proteomics
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Cited by 13 •
2021
We present a systems biology tool JUMPn to perform and visualize network analysis for quantitative proteomics data, with a detailed protocol including data pre-processing, co-expression clustering, pathway enrichment, and protein-protein interaction network analysis.
09:00
A Streamlined Approach for Mass Spectrometry-Based Proteomics Using Selected Tissue Regions
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2025
Here, we establish a mass spectrometry-based proteomic method using isolated regions of interest in formalin-fixed, paraffin-embedded tissue sections. This protocol is used to analyze proteome from specific tissue areas in archived formalin-fixed, paraffin-embedded tissue sections.
01:30
Bernoulli's Equation for Flow Along a Streamline
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2025
Bernoulli's equation relates the energy conservation in a fluid moving along a streamline. The equation applies to incompressible and inviscid fluids under steady flow. For such a flow, Newton's second law is applied to a small fluid element, which experiences forces due to pressure differences, gravity, and velocity variations. The force balance leads to the following form of Bernoulli's equation: Here, P is the pressure, ρ is the density of the fluid, v is velocity, g denotes the...
FAQs
A tapered profile allows fluid to move around the body gradually rather than encountering an abrupt change in shape. This guidance helps the flow remain closer to the surface and reduces the likelihood of flow separation. By limiting separated flow, engineers can decrease turbulence and drag, improving the efficiency of motion through air or water.
Smooth surfaces support more orderly fluid movement along the body. Surface irregularities can interfere with the intended flow pattern, while a continuous surface helps preserve gradual guidance around the shape. In engineering designs, this contributes to lower resistance and can support improved speed, stability, or fuel economy when the system operates under appropriate real-world conditions.
Reducing fluid resistance is only one design objective. Engineers must also accommodate structural requirements, manufacturing constraints, and the conditions in which the system will operate. A shape that performs well in idealized flow may need adjustment for practical construction or service conditions. Streamlined-body design therefore balances aerodynamic or hydrodynamic efficiency with durability, feasibility, and reliable performance.
Engineers apply streamlining to the external shapes of aircraft, automobiles, ships, and submarines, as well as to pipelines and other fluid-carrying systems. The specific design goal depends on whether the body moves through a fluid or guides fluid internally. In both cases, shaping the system to manage flow can reduce resistance and improve operating efficiency.
A practical design process begins by identifying the operating fluid and the system’s performance requirements. Engineers then develop a tapered, smooth geometry intended to guide flow and limit separation. The proposed shape must be assessed against structural needs, manufacturing constraints, and real operating conditions. This process helps balance lower drag with a design that can be built and used effectively.
Studying these bodies connects fluid mechanics with aerodynamic and hydrodynamic design. Researchers can examine how shape and surface continuity affect flow separation, turbulence, drag, speed, stability, and fuel economy. The findings support designs for transportation and fluid-handling systems while also showing how theoretical flow behavior must be balanced against structural, manufacturing, and operational requirements.