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simple harmonic motion, springs, dampingDescripción completa
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Mechanical Seals
Mechanical engineering
describes the measurement system
Mechanical Books
L I
T O F
S Y MBO L S
ymbolDefinitionUnits
q
= sen s i it vti y i n de
q
— ratio—
q
= p r e s s u r e p reu n i t a r e a l b /s
Q
= shearla o d , l aet r a l l o d alb
r,R =
R =
S
in.
radiu s,inch
r a d i lal o a d l b
= t e n soi n p e r u n i t l n e g t h l bi n / .
t=
t hci
t=
timesc e
n e ss i n ch
I= temperaturedegrees
T=
tor
V
=
ue,twistingmomentin.-lb
energystoredinspringperunitvolumein.-lb/in.
V =
volum ehi.
V
energystoredperunitvolumein.-lb/in.
=
V =
I,y,z=
w egi h tbl
rectangularco-ordinates—
*
— distn acealon g b e a m i nh c
/=
de flectionofbeamatanypoint inch
z=
c o n satn t —
a=
a n g l ,eh e l i
5 7 4 6 7 b $ . 1 c u / 7 2 0 2 / t e n . e l d n a h . l d h / / : p t t h / T M G 0 0 : 8 1 l e 8 g 0 - o 1 o g 1 - 3 d p 1 # 0 e 2 s n u o _ ) s s e e n c i c v a r / I g , r a o i . n t r s o f u i r l t a i C h t f a o h y . t i w s r w w e / v / : i p n t U t ( h r / e r e d e e z B i i h t g p i e d s o l e J d g i o v o a G D , r i n o a f d m e o t D a r c e i l n b e u G P angled e g r eseo r r a d i a n s
a — r a t i ,oo u t e r t o i n e r r a dui s .
Is"
-angle,angulardeflectiondegreesorradians
P — c o n sat n t , r tai o —
7=
c o n sat n t , r ai to —
7=
angle,angleofsheardegreesorradians
7=
weightperunitvolumelb/in.
S
— deflectin oinch
= d i s t a n c e icnh
f= smallq
6"
u a n ttiy —
angulardeflection,angleradians
=
an gularvelocity(d#/dt)radians/sec
*
= c uv r aut r e > n -
*
= s m lal q u a n ttiy — -
M=
P o is o n
M=
sratio—
coefficientoffriction—
p=
radiu sinch
= n o r m las t r e s s l b /s
n,
mc=ma
in.
s t a tci , v a r ib al e c o mo pn e nsto f n o r m las t r e s s l b /s
imu m s t er s s bl / s
a v = y i edl s t r e s s i n t n esionlb /s
V =
= e
,"
„
* =
to,r
t>
f,t=
>
i
in.
u i v lae n t s ter s s b a sd eo n s t r e n g t h t h e roy . l bs/
i = p rni cpi a l tsr s e s es l bs/
=
in.
in.
in.
s t a tci a n d v a r i a b lecomp onen t s o f s h e ras t r e s s l bs/