Fluid Mech

100問 • 2年前

ユーザ名非公開

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問題一覧

deals with liquids and gases in motion or at rest.

Fluid Mechanics

is any substance that can flow either a liquid or gas.

Fluid

A substance in the liquid or gas phase is referred to as a ____.

Fluid

The study of fluids in equilibrium states

Statics

The study of fluids in motion under the action of forces

Dynamics

What are the two branches of fluid mechanics?

Statics and dynamics

Give at least four fluid mechanics categories

Hydrodynamics Hydraulics Gas Dynamics Aerodynamics

The study of the motion of fluids that can be approximated as incompressible (such as liquids, especially water, and gases at low speeds).

Hydrodynamics

deals with liquid flows in pipes and open channels.

Hydraulics

deals with the flow of fluids that undergo significant density changes, such as the flow of gases through nozzles at high speeds.

Gas dynamics

deals with the flow of gases (especially air) over bodies such as aircraft, rockets, and automobiles at high or low speeds.

Aerodynamics

In solids, stress is _____________ but in fluids, stress is ____________.

stress is proportional to strain, stress is proportional to strain rate.

When a constant shear force is applied, a solid eventually __________ at some fixed strain angle, whereas a fluid never stops deforming and approaches a _______ of strain.

stops deforming, constant rate

is defined as force per unit area and is determined by dividing the force by the area upon which it acts.

Stress

The normal component of a force acting on a surface per unit area is called?

normal stress

the tangential component of a force acting on a surface per unit area is called ______?

shear stress

In a fluid at rest, the normal stress is called ______.

pressure

On a microscopic scale, pressure is determined by the interaction of individual gas molecules. However, we can measure the pressure on a __________.

macroscopic scale with a gage pressure

One of the first engineering problems humankind faced as cities were developed was the _______________for domestic use and irrigation of crops.

supply of water

The _________, some of which are still in use, are the bestknown examples.

Roman aqueducts

However, perhaps the most impressive engineering from a technical viewpoint was done at the _________of Pergamon in present-day Turkey.

Hellenistic City

He Formulated and applied the buoyancy principle.

Archimedes

_____________ of elegant piston pumps and watermills

Fluid Machinery and Development

Continued development of fluid systems and machines.

Renaissance

Elegant piston pumps were developed for the watering minds, and the watermelon and windmill were perfected the grind grain for metal and for other tasks

Fluid Machinery

The Renaissance brought continued development of fluid systems and machines, but more importantly, the scientific method was perfected and adopted throughout Europe.

Scientific Method

were among the first to apply the method to fluids as they investigated hydrostatic pressure distributions and vacuums.

Simon Stevin, Galileo Galilei, Edme Marriotte, and Evangelista Torricelli

Development of Fluid Mechanics, with notable contributions from renowned mathematicians and scientists:

1. Blaise, Pascal, 2. Sir Isaac Newton, 3. Leonard Euler, 4. Benedetto Castelli, 5. Danielle Bernoulli, 6. Hydrodynamica

Integrated and refined earlier work on fluid mechanics. Contributed to understanding hydrostatics and the behavior of fluids in equilibrium.

Blaise Pascal

Extended his laws of motion to fluids. Explored fluid inertia, resistance, and free jets. Formulated equations for fluid dynamics and contributed to understanding fluid behavior.

Sir Isaac Newton

Collaborated with Bernoulli and furthered their collective understanding of fluid dynamics. Formulated equations for fluid motion, including the Euler equations.

Leonard Euler

First person to publish a statement of the continuity principle for fluids. Pioneered the understanding of fluid flow and continuity.

Benedetto Castelli

Swiss mathematician who developed the energy equation in fluid mechanics. Made significant contributions to understanding fluid flow, pressure, and velocity relationships.

Daniel Bernoulli

Written by Daniel Bernoulli, often regarded as the first important book on fluid mechanics. It laid out fundamental principles and equations that helped shape our understanding of how fluids behave.

Hydrodynamica

Riche de Prony and his associates in ___________________were the first to integrate calculus and scientific theory into the engineering curriculum.

Paris at the École Polytechnique and the École des Ponts et Chaussées

instructors/students at the school of Paris

Antonie Chezy, Louis Navier, Gaspard Coriolis, and Henry Darcy

In flow measurements, he accurately measured flow in capillary tubes for mi fluids.

Jean Poiseuille

He differentiated between laminator and turbulent flow in pipes

Gotthilf Hagen

He developed the dimensionless number that bears his name

Lord Osborne Reynolds

developments In 20th century

Invention of the airplane

He who invented airplane Through the application of theory, and determined experimentation

Wright Brothers (Wilbur and Orville)

What is the timeline of Blaise Pascal?

1623 to 1662

What is the timeline of Sir Isaac Newton?

1643 - 1727

What is the timeline of Leonard Euler?

1707–1783

Timeline of Benedetto Castelli

1577–1644

timeline of Danielle Bernoulli

1700 – 1782

What year does hydrodynamicawritten by Daniel Bernoulli?

1738

Where does the digital computer developed?

America

Is often confined by solid surfaces and it is important to understand how the presence of solid surfaces affect fluid flow

Fluid flow

It is the flow region adjacent to the wall in which the viscous effects are significant

Boundary layers

All experimental observations indicate that the fluid in motion comes to a complete stop at the surface and assumes a zero velocity relative to the surface

Fluid behavior

It is the fluid property responsible for the no slip condition and the development of the boundary layer

Viscosity

The no sleep condition is responsible for the development of the velocity profile and the surface drag

Surface Drag

when a fluid is forced to flow over a curved surface such as the backside of a cylinder, the boundary layer may no longer remain attached to the surface and separates from the surface. This process is called _____.

Flow Separation

It is a phenomenon similar to the no sleep condition occurs in heat transfer . It is when two bodies at different temperatures are brought into contact. He transferred occurs such that both bodies assume the same temperature at the points of contact.

No- Temperature - Jump Condition

it refers to a flow where the fluid experiences, internal friction, or viscosity resulting in the transfer of momentum between adjacent layers of fluid .

Viscous flow

It neglects viscosity effects where Fluid is considered fiction less and no sheer stresses occur within the fluid

Inviscid flow

The flow behavior is influenced by ?

Viscosity

It occurs within confined boundaries such as pipes, docs, or channels

Internal flow

It occurs over surfaces, exposed to the surrounding fluid, such as flow around airfoils, vehicles, or buildings

External flow

What kind of flow if water flowing through the pipes of a household plumbing system?

Internal flow

What kind of flow if airflow over the surface of a car moving on a highway?

External flow

In this flow, the density of the fluid changes significantly due to variations and pressure and temperature this flow often occur at high velocity or in gases

Compressible flow

incompressible flow refers to a flow in which the density remains constant in any fluid parcelincompressible flow refers to a flow in which the density remains constant in any fluid parcel

Incompressible flow

What kind of flow if the water is flowing through a pipe in a municipal water distribution where the density remains relatively constant

Incompressible flow

What kind of flow if the air is flowing through the nozzle of a rocket engine where the high velocity in temperature cause significant changes in air density?

Compressible flow

it occurs when the fluid flows smoothly in parallel layers with minimal mixing between layers .

Laminar flow

It is characterized by chaotic, irregular fluid motion

Turbulent flow

it is also known as free convection occurs when fluid motion arises due to the density differences induced By temperature ingredients

Natural flow

It involves fluid motion driven by external forces, such as pumps fans, or compressors

Forced flow

A flow is considered _____ if the velocity pressure and other flow parameters at any point in the fluid do not change with time

Steady/steady flow

It refers to a flow where the velocity pressure and other parameters change with time

Unsteady flow

It is a dimensional flow in which the fluid flows in a single direction and all flow parameters very in only one direction usually along the flow path

One dimensional flow

It occurs when fluid motion and flow parameters vary in two direction within a plane

Two dimensional flow

It involves variation in fluid motion and flow parameters in all three spatial dimensions

Three dimensional flow

The velocity of the fluid at any given point does not change with respect the position. This means the flow velocity is constant across any cross-section of the flow.

Uniform flow

It is a flow which characterized by variations and velocity across different points or sections of the flow

Non-uniform flow

And analysis of fluid flow, engineers and scientist, often use the _____ and ______ to understand and analyze the movement of fluids

Concepts of system and control volume

It refers to specific portion of matter or origin of space under consideration for analysis

System

It can be any portion of fluid, whether it stationary or in motion that is isolated from its surroundings for study

System

What are the three classification of systems?

Closed system, open system and isolated systems

If the system called a control volume which is origin in space through which fluid flows continuously

Open system

If this system that does not exchange mass or energy with its surroundings, this concept is less commonly used compared to close and open systems

Isolated system

It is also known as a control mass. It refers to a fixed mass of fluid were no mass crosses the system boundary.

Closed system

Is a specific type of open system used in fluid mechanics analysis. It is a region in space to reach fluid flows continuously and is defined by an arbitrary boundary.

Control volume

It is essential for analyzing fluid flow and phenomena and designing efficient engineering systems in various fields

Understanding the concept of system and control volume

It is defined as a quantity of matter or region in space, chosen for study

System

It is the mass or region outside the system

Surroundings

It is real or imaginary resurface that separates the system from its surroundings

Boundary

What are the two types of system?

Closed system and open system

Any arbitrary region in space can be selected as?

Control volume

They are considered within control volumes similar to closed system

Heat, work, and mass

Basic dimensions, such as mass length and time and temperature as selected as ?

Primary or fundamental dimensions

Velocity, energy and volume are expressed in terms of the primary dimensions and are called?

Secondary dimensions or derived dimensions

What are the two sets of common units?

English system and metric SI system

It is also known as the United States customer system or USCS

English system

It has no apparent systematic numerical base in various units

English system

How many feet in 1 mile?

5280 feet

How many quarts in 1 gallon?

Four

100

How many inches in a foot?

Materials

Materials

Materials 1.2

Materials 1.2

Fluid Mech 1.2

Fluid Mech 1.2

ABE LAWS

ABE LAWS

ABE LAWS 2

ABE LAWS 2

ABE LAWS 3

ABE LAWS 3

Laws

Laws

casting

casting

finals

finals

surveying

surveying

PAES

PAES

PAES 1.2

PAES 1.2

PAES 1.3

PAES 1.3

add ons paes

add ons paes

TERMS

TERMS

MIDTERMS

MIDTERMS

MIDTERMS

MIDTERMS

PRECIPITATIO

PRECIPITATIO

ABE 512 (1)

ABE 512 (1)

REPORTS

REPORTS

PAES 302

PAES 302

PNS

PNS

BASIC COMPONENTS OF TRACTOR

ユーザ名非公開 · 100問 · 1年前

BASIC COMPONENTS OF TRACTOR

BASIC COMPONENT 2

BASIC COMPONENT 2

問題一覧

deals with liquids and gases in motion or at rest.

Fluid Mechanics

is any substance that can flow either a liquid or gas.

Fluid

A substance in the liquid or gas phase is referred to as a ____.

Fluid

The study of fluids in equilibrium states

Statics

The study of fluids in motion under the action of forces

Dynamics

What are the two branches of fluid mechanics?

Statics and dynamics

Give at least four fluid mechanics categories

Hydrodynamics Hydraulics Gas Dynamics Aerodynamics

The study of the motion of fluids that can be approximated as incompressible (such as liquids, especially water, and gases at low speeds).

Hydrodynamics

deals with liquid flows in pipes and open channels.

Hydraulics

deals with the flow of fluids that undergo significant density changes, such as the flow of gases through nozzles at high speeds.

Gas dynamics

deals with the flow of gases (especially air) over bodies such as aircraft, rockets, and automobiles at high or low speeds.

Aerodynamics

In solids, stress is _____________ but in fluids, stress is ____________.

stress is proportional to strain, stress is proportional to strain rate.

When a constant shear force is applied, a solid eventually __________ at some fixed strain angle, whereas a fluid never stops deforming and approaches a _______ of strain.

stops deforming, constant rate

is defined as force per unit area and is determined by dividing the force by the area upon which it acts.

Stress

The normal component of a force acting on a surface per unit area is called?

normal stress

the tangential component of a force acting on a surface per unit area is called ______?

shear stress

In a fluid at rest, the normal stress is called ______.

pressure

On a microscopic scale, pressure is determined by the interaction of individual gas molecules. However, we can measure the pressure on a __________.

macroscopic scale with a gage pressure

One of the first engineering problems humankind faced as cities were developed was the _______________for domestic use and irrigation of crops.

supply of water

The _________, some of which are still in use, are the bestknown examples.

Roman aqueducts

However, perhaps the most impressive engineering from a technical viewpoint was done at the _________of Pergamon in present-day Turkey.

Hellenistic City

He Formulated and applied the buoyancy principle.

Archimedes

_____________ of elegant piston pumps and watermills

Fluid Machinery and Development

Continued development of fluid systems and machines.

Renaissance

Elegant piston pumps were developed for the watering minds, and the watermelon and windmill were perfected the grind grain for metal and for other tasks

Fluid Machinery

The Renaissance brought continued development of fluid systems and machines, but more importantly, the scientific method was perfected and adopted throughout Europe.

Scientific Method

were among the first to apply the method to fluids as they investigated hydrostatic pressure distributions and vacuums.

Simon Stevin, Galileo Galilei, Edme Marriotte, and Evangelista Torricelli

Development of Fluid Mechanics, with notable contributions from renowned mathematicians and scientists:

1. Blaise, Pascal, 2. Sir Isaac Newton, 3. Leonard Euler, 4. Benedetto Castelli, 5. Danielle Bernoulli, 6. Hydrodynamica

Integrated and refined earlier work on fluid mechanics. Contributed to understanding hydrostatics and the behavior of fluids in equilibrium.

Blaise Pascal

Extended his laws of motion to fluids. Explored fluid inertia, resistance, and free jets. Formulated equations for fluid dynamics and contributed to understanding fluid behavior.

Sir Isaac Newton

Collaborated with Bernoulli and furthered their collective understanding of fluid dynamics. Formulated equations for fluid motion, including the Euler equations.

Leonard Euler

First person to publish a statement of the continuity principle for fluids. Pioneered the understanding of fluid flow and continuity.

Benedetto Castelli

Swiss mathematician who developed the energy equation in fluid mechanics. Made significant contributions to understanding fluid flow, pressure, and velocity relationships.

Daniel Bernoulli

Written by Daniel Bernoulli, often regarded as the first important book on fluid mechanics. It laid out fundamental principles and equations that helped shape our understanding of how fluids behave.

Hydrodynamica

Riche de Prony and his associates in ___________________were the first to integrate calculus and scientific theory into the engineering curriculum.

Paris at the École Polytechnique and the École des Ponts et Chaussées

instructors/students at the school of Paris

Antonie Chezy, Louis Navier, Gaspard Coriolis, and Henry Darcy

In flow measurements, he accurately measured flow in capillary tubes for mi fluids.

Jean Poiseuille

He differentiated between laminator and turbulent flow in pipes

Gotthilf Hagen

He developed the dimensionless number that bears his name

Lord Osborne Reynolds

developments In 20th century

Invention of the airplane

He who invented airplane Through the application of theory, and determined experimentation

Wright Brothers (Wilbur and Orville)

What is the timeline of Blaise Pascal?

1623 to 1662

What is the timeline of Sir Isaac Newton?

1643 - 1727

What is the timeline of Leonard Euler?

1707–1783

Timeline of Benedetto Castelli

1577–1644

timeline of Danielle Bernoulli

1700 – 1782

What year does hydrodynamicawritten by Daniel Bernoulli?

1738

Where does the digital computer developed?

America

Is often confined by solid surfaces and it is important to understand how the presence of solid surfaces affect fluid flow

Fluid flow

It is the flow region adjacent to the wall in which the viscous effects are significant

Boundary layers

All experimental observations indicate that the fluid in motion comes to a complete stop at the surface and assumes a zero velocity relative to the surface

Fluid behavior

It is the fluid property responsible for the no slip condition and the development of the boundary layer

Viscosity

The no sleep condition is responsible for the development of the velocity profile and the surface drag

Surface Drag

Flow Separation

No- Temperature - Jump Condition

it refers to a flow where the fluid experiences, internal friction, or viscosity resulting in the transfer of momentum between adjacent layers of fluid .

Viscous flow

It neglects viscosity effects where Fluid is considered fiction less and no sheer stresses occur within the fluid

Inviscid flow

The flow behavior is influenced by ?

Viscosity

It occurs within confined boundaries such as pipes, docs, or channels

Internal flow

It occurs over surfaces, exposed to the surrounding fluid, such as flow around airfoils, vehicles, or buildings

External flow

What kind of flow if water flowing through the pipes of a household plumbing system?

Internal flow

What kind of flow if airflow over the surface of a car moving on a highway?

External flow

In this flow, the density of the fluid changes significantly due to variations and pressure and temperature this flow often occur at high velocity or in gases

Compressible flow

incompressible flow refers to a flow in which the density remains constant in any fluid parcelincompressible flow refers to a flow in which the density remains constant in any fluid parcel

Incompressible flow

What kind of flow if the water is flowing through a pipe in a municipal water distribution where the density remains relatively constant

Incompressible flow

What kind of flow if the air is flowing through the nozzle of a rocket engine where the high velocity in temperature cause significant changes in air density?

Compressible flow

it occurs when the fluid flows smoothly in parallel layers with minimal mixing between layers .

Laminar flow

It is characterized by chaotic, irregular fluid motion

Turbulent flow

it is also known as free convection occurs when fluid motion arises due to the density differences induced By temperature ingredients

Natural flow

It involves fluid motion driven by external forces, such as pumps fans, or compressors

Forced flow

A flow is considered _____ if the velocity pressure and other flow parameters at any point in the fluid do not change with time

Steady/steady flow

It refers to a flow where the velocity pressure and other parameters change with time

Unsteady flow

It is a dimensional flow in which the fluid flows in a single direction and all flow parameters very in only one direction usually along the flow path

One dimensional flow

It occurs when fluid motion and flow parameters vary in two direction within a plane

Two dimensional flow

It involves variation in fluid motion and flow parameters in all three spatial dimensions

Three dimensional flow

The velocity of the fluid at any given point does not change with respect the position. This means the flow velocity is constant across any cross-section of the flow.

Uniform flow

It is a flow which characterized by variations and velocity across different points or sections of the flow

Non-uniform flow

And analysis of fluid flow, engineers and scientist, often use the _____ and ______ to understand and analyze the movement of fluids

Concepts of system and control volume

It refers to specific portion of matter or origin of space under consideration for analysis

System

It can be any portion of fluid, whether it stationary or in motion that is isolated from its surroundings for study

System

What are the three classification of systems?

Closed system, open system and isolated systems

If the system called a control volume which is origin in space through which fluid flows continuously

Open system

If this system that does not exchange mass or energy with its surroundings, this concept is less commonly used compared to close and open systems

Isolated system

It is also known as a control mass. It refers to a fixed mass of fluid were no mass crosses the system boundary.

Closed system

Is a specific type of open system used in fluid mechanics analysis. It is a region in space to reach fluid flows continuously and is defined by an arbitrary boundary.

Control volume

It is essential for analyzing fluid flow and phenomena and designing efficient engineering systems in various fields

Understanding the concept of system and control volume

It is defined as a quantity of matter or region in space, chosen for study

System

It is the mass or region outside the system

Surroundings

It is real or imaginary resurface that separates the system from its surroundings

Boundary

What are the two types of system?

Closed system and open system

Any arbitrary region in space can be selected as?

Control volume

They are considered within control volumes similar to closed system

Heat, work, and mass

Basic dimensions, such as mass length and time and temperature as selected as ?

Primary or fundamental dimensions

Velocity, energy and volume are expressed in terms of the primary dimensions and are called?

Secondary dimensions or derived dimensions

What are the two sets of common units?

English system and metric SI system

It is also known as the United States customer system or USCS

English system

It has no apparent systematic numerical base in various units

English system

How many feet in 1 mile?

5280 feet

How many quarts in 1 gallon?

Four

100

How many inches in a foot?