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Aero 1
a
55
Other
Graduate
12/12/2011

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Term
scalar
Definition
is a quantity that represents only magnitude
Term
vector...
Definition
is a quanitity that represents both magnitude and direction
Term
a force
Definition
is a push or pull exerted on a body
Term
mass
Definition
is the quantity of molecular material that comprises an object
Term
Volume
Definition
amount of space occupied by an object
Term
weight
Definition
force with which a mass is attracted toward the center of the earth by gravity
Term
F =
Definition
M*A or M*g
Term
Moment is
Definition
a vector quantity equal to a force F * s (distance)
Term
Power is
Definition
rate of doin work or work done per unit time P= w/t
Term
Energy
Definition
a scalar measure of body's capacity to do work
Term
Potential Energy is
Definition
ability of a body to do work because of its position or state of being
Term
Kinetic Energy is
Definition
ability of a body to do work because of its motion
Term
eqquilibrium flight exists when...
Definition
the sum of all forces AND the sum of all moments around the COG are equal to zero
Term
Trimmed flight exists when...
Definition
the sum of all moments around the COG is equal to zero
Term
Newtons First Law
Definition
A body at rest tends to remain at rest and a body in motino tends to remain in a straight line at a constant velocity unless acted upon by some unbalanced force
Term
Newtons Second Law
Definition
unbalanced force acting ona body produces an acceleration in the direction of the force that is directly proportional to the force and inversely proportional to themass of the body
(F = m * a)
Term
Newtons Third Law
Definition
For every action there is an equal and opposite reaction
Term
static pressure is
Definition
the pressure particles of air exert on adjacent bodies
Term
ambient static pressure is
Definition
equal to the weight of a column of air over a given area
Term
air density (rowe)
Definition
is the total mass of air particles per unit of volume
Term
Temperature
Definition
is a measure of Average Random Kinetic Energy
Term
Air density (increases/decreases) with an increase in altitude
Definition
decreases
Term
Rate of T change (avg lapse rate) is
Definition
2 deg Cel/ 3.57 deg F per 1000 feet until 36000 feet.
Term
humidity
Definition
amount of water vapor in the air
Term
as humidity increases, density...
Definition
decreases
Term
Viscosity (mu)
Definition
measure of air's resistance to flow and shearing
Term
air viscosity increases with an (increase/decrease) in temp?
Definition
increase
Term
Sound is ...
Definition
wave motion
Term
Local speed of sound is ...
dependent on...
Definition
rate at which sound travels through an air mass..... dependent on TEMPERATURE
Term
Standard atmosphere (engineering baseline)
Definition
a set of reference conditions giving representative values of air properties as a function of altitude
Term
Static Pressure UNITs
Definition
29.92 inHG
Term
Temperature T0 UNITS
Definition
59 deg F 15 deg C
Term
Avg. Lapse rate UNITs
Definition
3.57 deg F 2 deg C per 1000 ft
Term
local speed of sound UNITS
Definition
661.7 knots 340.4 m/s
Term
pressure altitude
Definition
height above the standard datum plane
Term
true altitude
Definition
actual height above mean sea level
Term
density altitude
Definition
is the altitude in standard atmosphere where the air density is equal to local air density
Term
aircraft
Definition
any device used for flight in air
Term
airplane
Definition
heaveier than air
fixed wing
engine driven
supported by the dynamic reaction of airflow over wings
Term
fuselage is
Definition
basic structure of the airplane to which all other compnents are attached
Term
truss
Definition
type consists of metal or wooden frame of which a light skin is stretched
Term
full monocoque
Definition
extremely light consisists of only a skin shell (easily damaged)
Term
semi monocoque
Definition
support from skin and frame T34!
Term
wing
Definition
airfoil attached to the fuselage designed to produce lift
Term
T34 all bracings are internal so wings are considered...
Definition
full cantilever
Term
empennage consists of
Definition
aft part of fuselage, vertical stabilizer, horizontal stabilizer
Term
t34 landing gear
Definition
tricycle gear
Term
t34 engine
Definition
PT6A-25 turboprop
Term
CG
Definition
point at which all weight is concentrated about and all forces and moments measured from
Term
wingspan of T34
Definition
33 feet 5"
Term
Wing area (s) is
Definition
b * c
(wingspan) * (average chord)
Term
taper is...
Definition
reduction in the chord of an airfoil from root to tip
Term
angle of incidence is
Definition
angle between airplanes longitudinal axis and chordline of the wing
Term
t34 angle of incidence
Definition
4 deg at root
Term
dihedral is angle between
Definition
spancewise inclination and lateral axis
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