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Look up page 109 in Rays text book and page 108. all on henry's law

The Law that states: the volume of a gas varies inversely with its pressure.
Boyle's Law

The formula for Boyle's Law
PV(1)=PV(2)

The Law that states the volume of a gas varies directly with changes in temp.
Charles' Law

The formula for Charles' Law
V/T(1)=V/T(2)

The Law that sates: the pressure exertd by a gas varies directly with its absolute temp.
GayLussac's Law

GayLussac's formula
P/T(1)=P/T(2)

What is the formula for the universal gas Law?
PV/T(1)=PV/T(2)

What does STP mean?
0C and 760mmHg


Ambient temp. (AT) or pressure (AP) means?
The existing environmental temp. or pressure.( opp. of STP)

Saturated gas (S) means?
a volume of gas with a relative humidity of 100% at any given temp.

Dry gas (D) means?
a volume of gas w/ no vapor in it.

STPD means?
a volume of dry gas at temp. of 0C and Pressure 760mmHg

BTPS means?
a volume of gas saturated w/ water vapor at 37C and ambient enviroment pressure.

ATPS means?
a volume of gas saturated with water vapor at ambient temp. (room temp.) and pressure.

When reporting: reporting gases in the lungs are recorded as?
BTPS

When reporting: gases that undergo chemical rxn in the body, such as blood gases, are recorded?
STPD

If saturated gas vol. are to be used in physiologic calc., they are fist________, then calc, back to______.
corcected to their dry volume, the saturated value.

Is the temp. above which the kinetic activity of its molecules is so great that the attactive forced cannot keep them in a liquid state. It is the highest temp. at which a substance can exist as a liquid.
Crtical temp. of a liquid.

Is the oressure neede to maintain equilibrium between the liquid and gas phases of a substance at this critical temp.
Critical pressure.

Is where you have critical temp. and critical pressure of a substance.
Critical point

A gas that has a critical temp. so low that at room temp. and press. it cannot exist as a liquid.
True Gas

is the gaseus state of a substance coexisting with its liqud or solid state at room temp. and pressure.
Vapor

is the bulk movement of a substance through space.
Flow

is the study of fluids in motion.
Hydrodynamics

The pressure exerted by a liquid in motion depends on the nature of _____ not just the depth and density of the fluid.
Flow itself

It states that in any mechanical process, there will always be a decrease in the total energy available to do work.
The Second Law of Thermodynaics

As fluid flows through a tube there will be a pressure drop along the way due to?
a cumulative energy loss

What is the forumla for total flow resistance?
R=(P1P2)/V

In the flow resistance equations what does P1 stand for?
it is the pressure at the upstream point

In the flow resistance formula what does P2 stand for?
it is the pressure at the downstream point

In the flow resistance formula, what does V stand for?
It is the flow

Flow where a fluid moves in discrete cylindrical layers or streamlines.
laminar flow

Determines the pressure difference required to produce a given flow, under conditions of laminar flow through smooth tube of a fixed size.
Poiseuille's Law

Formula of for poiseuille's law. Determines press. diff. to prod. a flow.
DeltaP= 8nlv/pir^4

in poiseuille's formula delta P stands for?
the driving pressure gradient

in poiseulle's formula n stands for?
the viscosity of the fluid

in poiseulle's formula l stands for?
the tube length

in poiseulle's formula v stands for?
the fluid flow

in poiseulle's formula r stands for?
the tube radius

For fluids flowinf in a laminar pattern, the driving pressure will increase whenever the_________?
fluic viscosity, tube length, or flow increases.

Greater pressure will be required to maintain a given flow if the tube radius_____?
decreases

flow where ther fluid molecules form irregular eddy currents on a chaotic pattern.
Turbulent flow

Formula for reynolds number
Nr=vxdx2r/n

in reynolds number formula v stands for?
linear velocity

in reynolds number d stands for?
fluid density

In reynolds number r stand for?
the tube radius

in reynolds number n stands for?
viscosity

In a smoothbore tube, laminar flow becomes turbulent when Nr exceeds______.
2000

These conditions favor what type of flow: increased fluid velocity, increased fluid density, increased tube radius, or decreased fluid viscosity?
turbulent flow

When flow is turbulent the press. diff across a tube is defined by what formula?
deltaP = flV^2/4pi^2r^5

deltaP = flV^2/4pi^2r^5 f stands for?
friction factor based on the fluid's density and viscosity and the tube wall roughness.

deltaP = flV^2/4pi^2r^5 l stands for?
the tube length

deltaP = flV^2/4pi^2r^5 v stands for?
the fluid flow

deltaP = flV^2/4pi^2r^5 r stands for?
the radius

To double flow under laminar conditions, you only need to double ____.
the dricing pressure

To double flow under turbulent conditions, you would have to?
increase the dricing pressure fourfold

is a mixture of laminar and turbulent flow.
transitional flow

flow in the respiratory tract is mianly____
transitional

when all else is equal, pressres generated during laminar flow are most effect by fluid viscosity, whereas fluid density is the key factor when?
flow is turbulent

the most common units for flow are?
L/min or L/sec

The most common unit for velocity are?
cm/sec

fluid velocity, at a constant flow, varies inversely with the crosssectional area of the tube. This relationship is called?
Law of Continuity

what kind of effect is done when a fluid flows through a tube of uniform diameter, pressure drecreases prgressively over the tube lenght.
The Benoulli

