相关实验视频
Updated: Jul 5, 2025

08:01
The Diffusion of Passive Tracers in Laminar Shear Flow
Published on: May 1, 2018
8.6K
辐射对卡森纳米流体经过拉伸板/圆柱体的停滞点流量的影响
U S Mahabaleshwar1, T Maranna1, Manoranjan Mishra2
1Department of Studies in Mathematics, Davangere University, Shivagangothri, Davangere, Karnataka, 577007, India.
Scientific reports
|January 16, 2024
概括
这项研究探讨了卡森纳米流体在拉伸表面上的流动,发现拉伸增加和卡森参数减少速度. 热辐射和纳米粒子度增强了热传递.
科学领域:
- 流体动力学 流体动力学
- 热传递热量转移的方法
- 纳米技术纳米技术
背景情况:
- 纳米流体可以提高热效率.
- 了解流体行为对于工程应用至关重要.
研究的目的:
- 分析卡森纳米流体经过拉伸板/圆柱体的层状边界层流.
- 研究热辐射和吸入/注入的影响.
主要方法:
- 开发了一种新的卡森纳米流体模型.
- 使用合理假设将PDE转换为ODE.
- 用补充错误函数和缩放量分析解决方程.
主要成果:
- 速度随着拉伸和卡森参数的增加而下降.
- 温度随着热辐射和固体体积分数的增强而上升.
- 探索了努塞尔特数的变化.
结论:
- 卡森纳米流体模型为热传输提供了洞察力.
- 这些发现适用于各种行业的导电纳米材料.
相关概念视频
Steady, Laminar Flow in Circular Tubes
210
Hagen-Poiseuille flow describes a viscous fluid's steady, incompressible flow through a cylindrical tube with a constant radius R. This flow profile is often applied to understand fluid transport in narrow channels, such as capillaries. It serves as a foundational example of laminar flow. In this model, cylindrical coordinates (r,θ,z) are used to describe the radial (r), angular (θ), and axial (z) dimensions within the tube. For Hagen-Poiseuille flow, the velocity profile is...
210
Steady, Laminar Flow Between Parallel Plates
199
Understanding steady, laminar flow between parallel plates is essential for analyzing and designing flow in narrow rectangular channels, commonly found in various water conveyance and drainage systems. The Navier-Stokes equations govern fluid motion and are generally challenging to solve due to their nonlinearity. However, simplifications are possible in certain cases, like the steady laminar flow between parallel plates. For this scenario, we assume steady, incompressible, laminar flow.
199
Couette Flow
282
Couette flow represents the flow of fluid between two parallel plates, with one plate fixed and the other moving with a constant velocity. This configuration allows for a simplified analysis using the Navier-Stokes equations, which govern fluid motion under conditions of viscosity and incompressibility. For Couette flow, the assumptions include a steady, laminar, incompressible flow with a zero-pressure gradient in the flow direction. This flow type is beneficial for understanding shear-driven...
282
Newtonian Fluid: Problem Solving
227
Newtonian fluids exhibit a constant viscosity, meaning their shear stress and shear strain rate are directly proportional. This property ensures a predictable and stable response to applied forces, maintaining a linear relationship between force and flow. Examples include water, air, and light oils, consistently demonstrating this proportional behavior regardless of external conditions.
A velocity gradient forms within the fluid when a Newtonian fluid is placed between two parallel plates, with...
A velocity gradient forms within the fluid when a Newtonian fluid is placed between two parallel plates, with...
227
Fluid Pressure over Flat Plate of Variable Width
1.7K
When a flat plate is submerged in a fluid, the fluid exerts pressure on the plate. This pressure can lead to many different phenomena, including drag and buoyancy. To understand the behavior of the fluid over a flat plate of variable width, it is essential to analyze the distribution of the pressure exerted.
The pressure distribution on the plate can be calculated by determining the force that acts on a differential area strip of the plate. Thus, the magnitude of the force is equal to the...
The pressure distribution on the plate can be calculated by determining the force that acts on a differential area strip of the plate. Thus, the magnitude of the force is equal to the...
1.7K
Fluid Pressure over Curved Plate of Constant Width
1.6K
When a curved plate of constant width is submerged in a liquid, the pressure acting normal to the plate varies continuously both in magnitude and direction. Calculating the magnitude and location of the resultant force at a point is often challenging for such cases. One of the methods to determine the resultant force and its location involves separately calculating the horizontal and vertical components of the resultant force. This complex calculation can be simplified by representing the...
1.6K

