Determine the fluid speed at the origin

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
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**Velocity Field in Cartesian Coordinates**

The velocity field of a given flow in Cartesian coordinates can be expressed as:

\[ V = (5z - 3)\hat{i} + (x + 3)\hat{j} + 4y\hat{k} \, \text{ft/s}, \]

where \( x, y, \) and \( z \) are in feet. 

**Problem Statement**

Determine the fluid speed at the origin \((0, 0, 0)\) and along the x-axis \((y = z = 0)\).

**Explanation**

- The velocity vector \( V \) consists of three components:
  - The \( \hat{i} \) component is \( (5z - 3) \),
  - The \( \hat{j} \) component is \( (x + 3) \),
  - The \( \hat{k} \) component is \( 4y \).

- To find the speed at a point, compute the magnitude of the velocity vector \( V \).

**Instructions**

1. Substitute the given coordinates into the velocity expression.
2. Calculate the magnitude of the velocity vector accordingly.
Transcribed Image Text:**Velocity Field in Cartesian Coordinates** The velocity field of a given flow in Cartesian coordinates can be expressed as: \[ V = (5z - 3)\hat{i} + (x + 3)\hat{j} + 4y\hat{k} \, \text{ft/s}, \] where \( x, y, \) and \( z \) are in feet. **Problem Statement** Determine the fluid speed at the origin \((0, 0, 0)\) and along the x-axis \((y = z = 0)\). **Explanation** - The velocity vector \( V \) consists of three components: - The \( \hat{i} \) component is \( (5z - 3) \), - The \( \hat{j} \) component is \( (x + 3) \), - The \( \hat{k} \) component is \( 4y \). - To find the speed at a point, compute the magnitude of the velocity vector \( V \). **Instructions** 1. Substitute the given coordinates into the velocity expression. 2. Calculate the magnitude of the velocity vector accordingly.
Expert Solution
Given

Velocity Field (V) = (5z-3)i^ + (x+3)j^ + 4yk^

At origin= (0,0,0)

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