COSMOS FloWorks Wind Tunnel Simulation

Slides:

Advertisements

Similar presentations

It’s all about… AERODYNAMICS!!

Advertisements

A Seminar Presentation On AERODYNAMICS OF F1 RACING CAR

The Magic of… Bernoulli’s Principle. Aerodynamics is… The study of forces and the resulting motion of objects through the air.

The Magic of… Bernoulli’s Principle. Aerodynamics is… The study of forces and the resulting motion of objects through the air.

WHAT HAVE WE SEEN SO FAR? A brief recap…. So far, we have looked at fluids and we have seen that fluids exist as both liquid and as air. FLUIDS We have.

Computer Simulation of Vehicle Aerodynamic Forces and Moments Using Fluent 6.2 MSC VisualNastran 4D WorkingModel 2D Zerguy Maazouddin California State.

Pharos University ME 352 Fluid Mechanics II

Aerodynamic Study of Go-kart Nose Cones ME450 Introduction to Computer Aided Engineering Becker, Joe Professor H. U. Akay May 1, 2000.

Review: CFD Step by Step

Computer Simulations of Wind Tunnel Experiments

HPC Impacts Automotive Aerodynamics Computational Fluid Dynamics HPC demands Kevin Golsch Aerodynamics – Energy Center 1 October 2010.

AE 1350 Lecture Notes #8. We have looked at.. Airfoil Nomenclature Lift and Drag forces Lift, Drag and Pressure Coefficients The Three Sources of Drag:

Flow Over Immersed Bodies

Computer Aided Thermal Fluid Analysis Lecture 7 Dr. Ming-Jyh Chern ME NTUST.

Fundamentals of Engineering for Honors – ENG H192 Lab 4: Aerodynamics.

Laminar and Turbulent Flow

Friction Flow in a Pipe Friction flow in a Pipe Finite Element Tutorial By Dr. Essam A. Ibrahim, Tuskegee University, Mechanical Engineering Dept.,

Aerodynamics. Learning Standards 6. Transportation Technologies Transportation technologies are systems and devices that move goods and people from one.

Aerodynamic Forces Lift and Drag Aerospace Engineering

Dynamic Fluid Forces Forces that result when an object moves through a fluid, or when a fluid moves past an object. Pages in book.

Fluid Dynamics Lesson 6.

Engineering Models 1 By: Ross King & Daniel Luddeke.

Flow types Internal External Relative velocity between fluid & object Auto moving through air Water moving against bridge abutment Wind against building.

Flow Simulation of a Maple Seed

Introduction Aerodynamic Performance Analysis of A Non Planar C Wing using Experimental and Numerical Tools Mano Prakash R., Manoj Kumar B., Lakshmi Narayanan.

Streamlining: Student Success Criteria

Glider Design Project By: ????????. Title Define a Problem or Need.

Cody Beckemeyer Advisors: Junkun Ma Cris Koutsougeras ET 494 Fall 2013.

Designing an aerodynamic car

In these tutorials the use adaptive mesh refinement will be review Workbench 12.1 Aalborg Universitet esbjerg Søren Heide Lambertsen.

2D Airfoil Aerodynamics

Aerodynamic Forces Lift and Drag.

Measurement of Pressure Distribution and Lift for an Airfoil  Purpose  Test design  Measurement system and Procedures  Uncertainty Analysis  Data.

Chapter 7 External Convection

The Laws of Motion Newton’s Three Laws of Motion:

ME 101: Fluids Engineering Chapter 6 ME Two Areas for Mechanical Engineers Fluid Statics –Deals with stationary objects Ships, Tanks, Dams –Common.

Aerodynamics By. NBueckert. What is Aerodynamics  Aerodynamics is making an object affect the air flow around it  It also is a type of Fluid Dynamics.

CE 1501 Flow Over Immersed Bodies Reading: Munson, et al., Chapter 9.

CFD Study of the Development of Vortices on a Ring Wing

Computer Simulation with Flight Simulator X Introduction to Flight Simulator – Level 1.

Flow types  Internal  External Relative velocity between fluid & object Auto moving through air Water moving against bridge abutment Wind against.

A is the frontal area of projectile facing the flow

Airfoils. Airfoil Any surface that provides aerodynamic force through interaction with moving air Moving air Airfoil Aerodynamic force (lift)

Problem and Purpose Hypotheses Design Plan Background Information Currently, school buses are very fuel inefficient, averaging 7 mpg (Laughlin, 2004).

External flow over immersed bodies If a body is immersed in a flow, we call it an external flow. Some important external flows include airplanes, motor.

Laminar and Turbulent Flow: More Practice

CHECK POINT – FLUID PHYSICS DR. BROWNE. 1.Earth’s ________________ is made of a mix of gases called ______________. 1.The molecules of air are in constant.

Error calculations and error convergence Winter Semester

PRESENTATION OUTLINE Experiment Objective Introduction Data Conclusion Recommendations.

Airfoil in a Wind Tunnel Experiment #6

Damian Luna Yetziel Sandoval – Alberto Gonzales – 80546

Airfoil in a Wind Tunnel

FLUID  a substance, such as a liquid or gas, that is capable of flowing and that changes its shape at a steady rate when acted upon by a force tending.

Lift. Why do planes fly? It can be dangerous for a car to travel 120 mph, but you would rarely expect to see it take off.rarely expect to see it take.

Review of Airfoil Aerodynamics

Simulating Flight Wind Tunnel.

Rebecca Sanders-Eachus

Aerodynamics The study of the motion of air, particularly when it interacts with a moving object.

Primary Glider Challenge

Conestoga Valley High School Aviation Technology

Airfoils and Simulation

Simulation of turbulent airfoil Flow Using FlowLab 1.1 (CFD PreLab 2)

Aerodynamic Drag Force

Bernoulli’s Principle

Vehicle Dynamics Part I: An Aerodynamic Odyssey

Airfoils and Simulation

Airfoil Simulation.

Airfoils and Simulation

Presentation transcript:

COSMOS FloWorks Wind Tunnel Simulation ME143 Fall 2006 J. Cho B. Wilson

COSMOS FloWorks Tutorial Build a part Car Body Wing Shape Entire Aircraft Select Simulation Parameters Fluid Fluid Velocity Run Simulation View Results

COSMOS FloWorks Tutorial Draw a part in SolidWorks

COSMOS FloWorks Tutorial Execute FloWorks Add-In Tools > Add-Ins

COSMOS FloWorks Tutorial Start New Simulation FloWorks > Project > Wizard

COSMOS FloWorks Tutorial Set Simulation Units System

COSMOS FloWorks Tutorial Choose Flow Type Internal: Pipes, Ducts, etc… External: Flow over surfaces

COSMOS FloWorks Tutorial Choose Fluid

COSMOS FloWorks Tutorial Set Surface Conditions

COSMOS FloWorks Tutorial Set Initial Conditions Flow Velocity and Direction Initial Pressure and Temperature

COSMOS FloWorks Tutorial Set Simulation Accuracy More Accuracy = More Simulation Time

COSMOS FloWorks Tutorial Size the Computational Domain FloWorks > Computational Domain

COSMOS FloWorks Tutorial Run Solver FloWorks > Solver > Run

COSMOS FloWorks Tutorial Wait for Solution to be Computed Depending on geometry and accuracy, simulation time can be several hours

COSMOS FloWorks Tutorial Solver Window Completed Simulation

COSMOS FloWorks Tutorial Insert Flow Trajectories Results > Flow Trajectories > Insert Export Images and Video

COSMOS FloWorks Tutorial Results Image

COSMOS FloWorks Tutorial Results Animation Click image to Animate

Wind Tunnel Comparisons Air Foil Horizontal Inclined 20 degrees 1969 Chevrolet Camaro 30 mph 60 mph

Wind Tunnel Comparisons Airfoil Image (Horizontal Position)

Wind Tunnel Comparisons Airfoil Animation (Horizontal Position) Click image to Animate

Wind Tunnel Comparisons Airfoil Results (Horizontal Position) Low pressure zone on top of foil produces lift. Laminar air flow over entire profile.

Wind Tunnel Comparisons Airfoil Image (20° Incline)

Wind Tunnel Comparisons Airfoil Animation (20° Incline) Click image to Animate

Wind Tunnel Results Airfoil Results (20° Incline) 20° incline increases surface area. More pressure is developed at bottom of airfoil, producing higher lift capabilities for take offs and in-flight maneuverability.

Wind Tunnel Comparisons 1969 Chevrolet Camaro (30mph)

Wind Tunnel Comparisons 1969 Chevrolet Camaro (30mph) Click image to Animate

Wind Tunnel Comparisons 1969 Chevrolet Camaro (60mph)

Wind Tunnel Comparisons 1969 Chevrolet Camaro (60mph) Click image to Animate

Wind Tunnel Results 1969 Chevrolet Camaro Results Front vehicle geometry (front spoiler) Improves aerodynamics Rear spoiler provides a downward force Keeps vehicle on ground at high speeds

Conclusion Cosmos FloWorks All simulation data is exportable in Excel format or preformatted “Word” documents. Flow profile are easily examined for turbulence. Multicolored pressure lines easily display pressure differentials. All fluid properties and flow parameters are adjustable. Fluid information is included in program.