a preliminary assessment of phase separator ground · pdf filemicrogravity division fluid...
TRANSCRIPT
6-Fe
b-20
06H
abita
tion
2006
1
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
A P
relim
inar
y A
sses
smen
t of
Phas
e Se
para
tor G
roun
d-B
ased
an
d R
educ
ed-G
ravi
ty T
estin
g fo
r A
LS S
yste
ms
Pres
ente
d by
Nan
cy R
abel
Hal
lN
ASA
Gle
nn R
esea
rch
Cen
ter
https://ntrs.nasa.gov/search.jsp?R=20060051711 2018-05-21T03:28:45+00:00Z
6-Fe
b-20
06H
abita
tion
2006
2
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
Out
line
–M
ultip
hase
Flo
w T
echn
olog
y P
rogr
am–
Type
s of
Sep
arat
ors
–M
OB
I Pha
se S
epar
ator
s–
Exp
erim
ent s
et-u
p–
Pre
limin
ary
com
paris
on/re
sults
–
Con
clus
ions
6-Fe
b-20
06H
abita
tion
2006
3
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
Mul
tipha
se F
low
Tec
hnol
ogy
Prog
ram
Dem
onst
rate
Pha
se S
epar
ator
Tec
hnol
ogie
s–
Con
trol
liqui
d an
d va
por p
hase
s flo
w &
dis
tribu
tion
to e
nsur
e st
able
ope
ratio
n of
two-
phas
e sy
stem
s–
Can
als
o be
use
d to
opt
imiz
e pe
rform
ance
by
rem
ovin
g un
certa
inty
with
rega
rds
to fl
ow
regi
me
effe
cts,
e.g
., flo
w d
istri
butio
n in
par
alle
l con
dens
ers
•D
emon
stra
te G
ravi
ty-In
depe
nden
t Flo
w in
Com
pone
nts
Thro
ugho
ut th
e S
yste
m–
Ena
bles
1-G
ver
ifica
tion
of C
ompo
nent
Per
form
ance
–E
nabl
es o
pera
tion
in v
ehic
les
subj
ecte
d to
a v
arie
ty o
f gra
vity
env
ironm
ents
enc
ount
ered
du
ring
diffe
rent
mis
sion
pha
ses
incl
udin
g la
unch
, coa
st, d
esce
nt, a
nd s
urfa
ce
oper
atio
ns.
•Q
uant
ify th
e Th
erm
al H
ydra
ulic
s of
the
Boi
ler/E
vapo
rato
r. –
Max
imiz
e th
e am
ount
of v
apor
izat
ion
to e
nsur
e no
liqu
id d
ropl
et c
arry
over
from
ev
apor
ator
–B
oilin
g nu
clea
tion
and
Flow
Reg
ime
Tran
sitio
ns c
an th
erm
ally
fatig
ue b
oile
r/eva
pora
tor
wal
ls•
Dem
onst
rate
Sys
tem
Sta
bilit
y–
Inte
grat
ed s
yste
m b
ehav
ior/p
heno
men
a m
ay d
iffer
from
inte
ract
ion
betw
een
com
pone
nts
as h
as b
een
dem
onst
rate
d on
terr
estri
al s
yste
ms
–Sy
stem
sta
rtup,
shu
tdow
n, a
nd c
hang
es in
set
poi
nt o
pera
tion
6-Fe
b-20
06H
abita
tion
2006
4
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
Mul
tipha
se F
low
Tec
hnol
ogie
s-W
hy N
ASA
?N
AS
A u
niqu
e sy
stem
requ
irem
ents
for h
uman
exp
lora
tion
mis
sion
s de
man
d lo
ng d
urat
ion
life
supp
ort,
incr
ease
d po
wer
, and
incr
ease
d th
erm
al re
ject
ion
alon
g w
ith lo
wer
mas
s an
d hi
gher
relia
bilit
y.
Mul
tipha
se fl
ow a
nd h
eat t
rans
fer t
echn
olog
y on
Ear
th h
ave
been
em
piric
ally
bas
ed. T
he
desi
gn ru
les
and
corre
latio
ns u
sed
on E
arth
are
larg
ely
inva
lid fo
r a m
icro
grav
ity
envi
ronm
ent.
Why
Tw
o P
hase
Sys
tem
s:S
uppo
rts C
onst
ella
tion
Dev
elop
men
tE
nhan
ce th
e he
at-lo
ad-to
-wei
ght r
atio
by
bette
r tha
n an
ord
er o
f mag
nitu
deE
nabl
es th
e us
e of
stru
ctur
al ra
diat
ors
beca
use
of e
leva
ted
heat
reje
ctio
n te
mpe
ratu
res
Low
er m
ass,
low
er p
ower
requ
irem
ents
due
to s
mal
ler p
umps
and
dec
reas
ed fl
uidi
c vo
lum
es
6-Fe
b-20
06H
abita
tion
2006
5
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
Sam
ple
App
licat
ion-
Mar
s Tr
ansi
t Veh
icle
Life
Sup
port
Sys
tem
To V
ent
Food
Was
te/ T
rash
FOO
D
WA
TER
BIO
MA
SS
Food
Food
Was
te
Food
&D
rink
Plate Waste
H 2O
Pot
able
H 2O
Pot
able
H 2O
Conditioned "Dry" Air
Moi
st, W
arm
Air
Moi
st,
War
mAi
r
Pot
able
and
Con
dens
ed H 2O
AIR
Vent Line
Fire
D&
S
Parti
cula
teC
ontro
l
Trac
eC
onta
min
ant
Con
trol
Air
Qua
lity
Pres
sure
Reg
ulat
or
O2/Diluent
O2
Air
H2
CO2
O2
/ Dilu
ent
Stor
age
Air
Air
Air
Air
Air
THER
MA
L
Har
dwar
eH
eat
Col
lect
ion
Hum
dity
&H
eat R
emov
al
Hea
tH
eat
Heat
Hea
t Rej
ectio
nw
ith E
xpen
dabl
esR
adia
nt H
eat
Rej
ectio
n
Spa
ce
WA
STE
Wat
erQ
ualit
yY
es
Ash
Heat
Trac
eG
ases
(To
AIR
)
Hea
t
HeatHeat
Hea
t
Heat
Heat
Hea
t
Heat
CO2
Inedible Biomass
Edi
ble
Bio
mas
s
Ined
ible
Bio
mas
s
Biomass(Salad)
Sal
ad
Moist, Warm Air
"Dry
" Air
Conditioned "Dry" Air
Man
ual
Har
vest
Wat
erS
tore
s
Nut
rient
Sol
utio
npH
-A
djus
ted
Nut
rient
s
Nut
rient
Sol
utio
n
Was
teW
ater
Exp
en-
dabl
es
Var
ious
Sol
id W
aste
s
Food Waste
Oxy
gen
Gen
erat
ion
O2
H 2
H 2O
CO 2
CO 2
O2
Car
bon
Cre
w C
abin
Air,
CO 2
Car
bon
Dio
xide
Red
uctio
n
Car
bon
Dio
xide
Rem
oval
CO2
O2
Con
dens
ate
H 2O
Potable and Condensed H2 O
Food Wastewater
Was
tew
ater
Sec
onda
ry(P
olis
hing
)W
ater
Pro
cess
ors
No
Wastewater
H 2O
Brin
e
Brine
Con
dens
ed H 2O
Condensed H2O
Recycle
H 2O
Food
Pre
para
tion
Solid Waste
CO 2
CO2
Pot
able
Pro
duct
Wat
er
Enc
apus
ulat
edW
aste
H 2O
Ined
ible
Bio
mas
s
Wastewater
Hea
t
CO 2
Biomass
Dew
ater
ing
Fece
s
Dry
Sol
ids
H2O
Hea
t
Sal
ad
Potable H2O
Hea
t and
Exp
enda
bles
O2
CO 2
Heat
Feces
HygieneH2O
Was
tew
ater
Pot
able
H 2O
Air
Hea
tTr
ansp
ort
Use
d E
quip
men
t
Used Equipment
Equipment Used Equipment
SizeReduction
Trac
eG
ases
(To
AIR
)
Com
pact
or
Feca
lS
tora
ge
Trash
Pre
pack
aged
Food
Prepackaged Food
Sol
idW
aste
Col
lect
ion
Sal
ad P
rodu
ctio
n C
ham
ber
Non
-Oxi
dativ
eP
/C P
roce
ss
CH 4
(ISR
U)
Food
Sto
rage
Ambi
ent
Stor
age
Prim
ary
(P/C
)W
ater
Pro
cess
ors
UrineCommode
Urin
e&Fe
ces
Syst
ems
usin
g M
ultip
hase
Tec
hnol
ogie
s
6-Fe
b-20
06H
abita
tion
2006
6
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
Vapo
r Com
pres
sion
Cyc
le -
Two
Phas
e Is
sues
Condenser
Evaporators
Sys
tem
Sta
bilit
y
Flig
htD
emo
2ØS
epar
ator
Liqu
id D
ropl
etC
arry
over
Lubr
ican
tM
anag
emen
t
2ØΔ
P &
H
eat T
rans
fer C
oeffi
cien
tP
aral
lel C
hann
el In
stab
ility
2Ø Pha
seC
hang
e
Exp
ansi
onV
alve
s
6-Fe
b-20
06H
abita
tion
2006
7
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
Act
ive
Phas
e Se
para
tors
•G
ener
ally
mor
e m
assi
ve, r
equi
re m
ore
pow
er to
op
erat
e, a
nd ra
ise
issu
es w
ith re
gard
s to
rota
ry
seal
s an
d re
liabi
lity.
•Ty
pes
of a
ctiv
e S
epar
ator
s–
Cen
trifu
gal
•R
ely
on c
entri
fuga
l acc
eler
atio
n ge
nera
ted
by
rota
ting
a po
rtion
of t
he s
epar
atio
n–
Ele
ctro
hyro
dyna
mic
s(E
HD
)•
Diff
eren
ce in
die
lect
ric c
onst
ant b
etw
een
vapo
r an
d liq
uid
–U
ltras
onic
•C
onta
ins
an a
ctiv
e el
emen
t tha
t vib
rate
6-Fe
b-20
06H
abita
tion
2006
8
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
Pass
ive
Phas
e Se
para
tors
•O
ffer t
he a
dvan
tage
of n
o m
ovin
g pa
rts, l
ong
life
and
requ
ire lo
w p
ower
to o
pera
te, b
ut a
re m
ore
susc
eptib
le
to d
isru
ptio
ns fr
om d
esig
n an
d up
set o
pera
tiona
l co
nditi
ons
•Ty
pes
of P
assi
ve S
epar
ator
s–
Cyc
loni
c or
vor
tex
Sep
arat
ors
•In
ject
s 2
phas
e m
ixtu
re ta
ngen
tially
to g
ener
ate
a cy
lindr
ical
vol
ume
–C
apill
ary-
base
d se
para
tors
•U
ses
the
wet
ting
prop
ertie
s of
the
fluid
s to
effe
ct th
e se
para
tion
–In
ertia
l Sep
arat
ors
•Th
e de
nsity
diff
eren
ces
betw
een
the
gas
and
liqui
d ph
ase
are
expl
oite
d in
buo
yanc
y dr
iven
sep
arat
ors
in 1
g•
The
dens
ity d
iffer
ence
s ef
fect
s th
e di
ffere
nces
in th
e in
ertia
bet
wee
n tw
o ph
ases
in re
duce
d gr
avity
.
6-Fe
b-20
06H
abita
tion
2006
9
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
Type
s of
Pas
sive
Sep
arat
ors
Sche
mat
ic o
f Cap
illar
y ba
sed
Sepa
ratio
n D
evic
e
Sche
mat
ic o
f Vor
tex
Sepa
rato
rIn
ertia
l Sep
arat
or:
Gas
-Liq
uid
Slug
flo
w th
roug
h a
Tee.
flo
w is
from
bot
tom
an
d ex
its to
the
left
and
the
top.
6-Fe
b-20
06H
abita
tion
2006
10
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
•O
bjec
tives
–R
esea
rch
and
test
act
ive
and
pass
ive
phas
e se
para
tion
devi
ces
cove
ring
a w
ide
rang
e of
Adv
ance
Life
Sup
port
(ALS
) are
as in
ord
er to
de
term
ine
wat
er a
nd g
as fl
ow ra
tes
and
gas
volu
me
fract
ions
app
licab
le
to e
ach
ALS
sys
tem
iden
tifie
d.
•R
ealit
y–
Sco
pe o
f pro
ject
redu
ced
so o
nly
activ
e ph
ase
sepa
rato
rs w
ere
test
ed
on a
rig
that
was
sha
red
with
the
Gas
Tol
eran
t Liq
uid
Pum
ps p
roje
ct.
–Te
stin
g pe
rform
ed o
n th
e M
icro
grav
ity O
bser
vatio
ns o
f Bub
ble
Inte
ract
ions
(MO
BI)
phas
e se
para
tor a
long
with
a m
odifi
ed v
ersi
on o
f it
and
min
iatu
re v
ersi
on.
–Lo
w g
ravi
ty te
stin
g w
as n
ot p
ossi
ble
at th
is ti
me
due
to th
e un
avai
labi
lity
of th
e re
duce
d gr
avity
airp
lane
so
only
gro
und-
base
d w
ere
perfo
rmed
.
Pass
ive
and
Act
ive
Gas
-Liq
uid
Sepa
ratio
n D
evic
es P
roje
ct
6-Fe
b-20
06H
abita
tion
2006
11
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
Issu
es a
ssoc
iate
d w
ith th
e pe
rfor
man
ce o
f act
ive
and
pass
ive
sepa
rato
rs in
mic
rogr
avity
env
ironm
ent
•W
eigh
t•
Pow
er C
onsu
mpt
ion
•R
elia
bilit
yS
tartu
p/S
hutd
own
Res
pons
e to
Sys
tem
Inst
abili
ties
•S
usce
ptib
ility
to F
oulin
g
6-Fe
b-20
06H
abita
tion
2006
12
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
Phas
e Se
para
tor D
esig
ns
•Mod
ified
MO
BI
•Con
ical
-sha
ped
hous
ing
•Wat
er o
utle
t mov
ed fr
om th
e to
p •A
lloy
stee
l bol
t h/w
•Orig
inal
MO
BI
•Cyl
indr
ical
hou
sing
•Min
iatu
rized
MO
BI
•Sep
arat
or H
ousi
ng is
11
.25c
m x
12.
5cm
x
8.75
cm
6-Fe
b-20
06H
abita
tion
2006
13
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
Orig
inal
MO
BI p
hase
sep
arat
or
•Tw
o ph
ase
fluid
is
pum
ped
to c
entri
fuga
l se
para
tor f
rom
sid
e in
let
•S
epar
ator
rota
tes
at
2400
rpm
•
Gas
cor
e ve
nted
th
roug
h a
sole
noid
va
lve
•A
ir/W
ater
det
ecto
r (b
ased
on
the
impe
danc
e pr
obe
desi
gn) u
sed
to c
ontro
l so
leno
id v
alve
6-Fe
b-20
06H
abita
tion
2006
14
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
Orig
inal
MO
BI p
hase
sep
arat
or
6-Fe
b-20
06H
abita
tion
2006
15
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
Mod
ified
MO
BI p
hase
sep
arat
or
•Tw
o ph
ase
flow
is p
ump
to c
entri
fuga
l sep
arat
or
from
inle
t por
t•
Sep
arat
or ro
tate
s fro
m
800
-160
0 rp
m
6-Fe
b-20
06H
abita
tion
2006
16
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
Mod
ified
MO
BI P
hase
Sep
arat
or
6-Fe
b-20
06H
abita
tion
2006
17
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
Min
iatu
re M
OB
I Pha
se S
epar
ator
Sepa
rato
r m
otor
wit
h sp
eed
cont
rol
Sepa
rato
r H
ousi
ng11
.25c
mx1
2.5c
mx8
.75c
m
Gas
/Liq
uid
Inle
t
Liq
uid
Out
let
6-Fe
b-20
06H
abita
tion
2006
18
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
Expe
rimen
tal S
et u
p (C
9 rig
)–
The
flow
loop
was
des
igne
d to
test
pu
mps
and
sepa
rato
rs
–Th
e flo
w lo
op c
onsis
ted
of a
n air
an
d w
ater
del
iver
y sy
stem
s.
–T
he
air
del
iver
y sy
stem
is fe
d fr
om a
pre
ssur
ized
air
bottl
e an
d is
resp
onsib
le fo
r the
del
iver
y of
air
into
the
pum
ps b
eing
test
ed a
nd fo
r th
e in
let p
ress
ure
of th
e liq
uid
stre
am in
to th
e pu
mps
. –
The
wat
er d
eliv
ery
syst
em c
onsis
ts
of •
an a
ir-p
ress
ure
-dri
ven
pis
ton
whi
ch
prov
ides
the
pres
sure
for t
he in
let
stre
am,
•a
sep
arat
orth
at p
rovi
des t
he
sepa
ratio
n fu
nctio
n of
the
two
phas
e flu
id th
at c
omes
out
of t
he p
ump,
•
a re
circ
ula
tion
pu
mp
that
is p
lanne
d fo
r use
in th
e hi
gh g
per
iods
in th
e fli
ght c
ampa
ign.
Fig
1.
Sche
mat
ic of
the
two
phas
e flo
w ri
g us
ed to
test
th
e pu
mps
and
the
gas
liqui
d se
para
tors
6-Fe
b-20
06H
abita
tion
2006
19
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
•Ex
perim
enta
l Set
up
(Con
tinue
d)
–Th
e flo
w lo
op w
as d
esig
ned
to
acco
mm
odat
e th
e te
stin
g of
four
di
ffere
nt p
umps
in o
ne fl
ight
ca
mpa
ign.
–
The
phas
e se
para
tor w
as o
n a
mou
nted
plat
e ca
pabl
e of
bein
g m
odifi
ed to
allo
w o
ther
co
nfig
urat
ions
of p
hase
sepa
rato
rs
to b
e te
sted
, how
ever
, onl
y 1
phas
e se
para
tor c
ould
be
test
ed a
t a ti
me.
–A
hig
h sp
eed
cam
era
was
use
d to
ta
ke im
ages
of t
he p
hase
sepa
rato
r in
ope
ratio
n.
–2
cam
eras
reco
rded
imag
es o
nto
a m
ini D
Vca
mof
the
wat
er o
utlet
and
air
out
let l
ines
, res
pect
ivel
y, to
pr
ovid
e a
quan
titat
ive
asse
ssm
ent o
f ho
w w
ell th
e tw
o ph
ases
wer
e be
ing
sepa
rate
d.
Fig
1.
Sche
mat
ic of
the
two
phas
e flo
w ri
g us
ed to
test
th
e pu
mps
and
the
gas
liqui
d se
para
tors
6-Fe
b-20
06H
abita
tion
2006
20
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
Lapt
ops f
or D
ata
Acq
uisit
ion
Pum
p Te
stin
g Si
de
Phas
e Se
para
tor
Test
ing
side
C9
rig u
sed
for P
ump
and
Phas
e Se
para
tor T
estin
g
6-Fe
b-20
06H
abita
tion
2006
21
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
Phas
e Se
p. C
ompa
rison
Sum
mar
y
125
mlp
mw
ater
an
d 1/
4 lp
mai
r
60 m
lpm
wat
er(e
lect
roni
cs d
ispl
ay
limit)
1 lp
mai
r
60 m
lpm
wat
er(e
lect
roni
cs d
ispl
ay
limit)
5 lp
mai
r
Min
wat
er/a
ir flo
w ra
tes
2 lp
mw
ater
2 lp
mai
r
4 lp
mw
ater
100
lpm
air
4 lp
mw
ater
7.5
lpm
air
Max
wat
er/a
ir flo
w ra
tes
•Min
iatu
re
cylin
dric
al
hous
ing
Min
iatu
re M
OB
I ph
ase
sep.
•Con
ical
ho
usin
gM
odifi
ed M
OB
I ph
ase
sep.
•Cyl
indr
ical
ho
usin
gO
rigin
al M
OB
I ph
ase
sep.
Spec
s.Ty
pes
6-Fe
b-20
06H
abita
tion
2006
22
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
Des
ign
Com
paris
on o
fPh
ase
Sepa
rato
rsO
rigin
al M
OB
I Sep
arat
ors
•W
ater
ent
ered
from
sid
e at
was
redi
rect
ed w
ith 9
0ºbe
nds
that
in
crea
sed
the
pres
sure
loss
acr
oss
the
sepa
rato
r.
Mod
ified
MO
BI S
epar
ator
s•
Con
ical
-sha
ped
hous
ing.
•
Wat
er o
utle
t rel
ocat
ed fr
om th
e to
p to
the
cone
’s s
ide
and
is
tang
entia
lly a
ligne
d.
Min
iatu
re M
OB
I Sep
arat
ors
•1/
2 in
. tub
e fo
r tw
o ph
ases
allo
ws
air t
o co
llect
in tu
bing
. •
No
accu
rate
mea
sure
men
t for
low
er a
ir/w
ater
flow
rate
s
6-Fe
b-20
06H
abita
tion
2006
23
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
•To
qua
ntita
tivel
y m
easu
re th
e vo
id fr
actio
n to
as
sess
the
effic
ienc
y of
two
phas
e se
para
tion.
•W
e ch
ose
the
plan
e pa
ralle
l ele
ctro
de d
esig
n,
prov
idin
g a
unifo
rm e
lect
ric fi
led
acro
ssth
e flo
w re
gim
e. T
he 2
pha
se fl
uid
flow
s th
roug
h th
e re
ctan
gula
r cro
ss s
ectio
n.
•M
easu
rem
ent s
yste
m in
clud
es th
e ca
paci
tanc
e to
digi
tal c
onve
rter a
nd th
e tim
er c
ount
er, D
/A c
onve
rter
to o
btai
n ca
paci
tanc
e.
•Tw
o id
entic
al s
enso
rs w
ill be
pla
ced
upst
ream
an
d do
wn
stre
am in
the
sepa
rato
r to
quan
tify
the
effic
ienc
y of
the
phas
e se
para
tor
and
also
to c
ompa
re w
ith th
e hi
gh s
peed
vid
eo
imag
e of
the
flow
regi
me.
2 P
hase
Flo
w
Cha
nnel
Met
al fi
lm
Ele
ctric
ally
Is
olat
ing
filmAcr
ylic
Ele
ctric
al
conn
ectio
ns
Inle
t
Out
let
Two
red
plat
ed
form
an
elec
trica
l ca
paci
tor
Cal
cula
ted
Cap
acita
nce
(pF)
vs
% A
ir in
Flu
id
0510152025
020
4060
8010
0
Air %
(Voi
d Fr
actio
n)
pF
C-C
ref
(pF)
Dev
elop
ing
Non
Con
tact
Cap
aciti
ve T
ype
Voi
d Fr
actio
n S
enso
r for
Eva
luat
ion
of T
wo
Pha
se S
epar
ator
s
6-Fe
b-20
06H
abita
tion
2006
24
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
Con
clus
ions
/Fut
ure
Wor
k
•Th
ere
are
man
y ap
plic
atio
ns w
ithin
ALS
that
util
ize
mul
tipha
se fl
ow te
chno
logy
that
can
ben
efit
from
the
test
ing
bein
g do
ne o
n ph
ase
sepa
rato
rs.
•C
ontin
uatio
n of
the
anal
ysis
of d
ata
and
corr
elat
ion
of
vide
o to
voi
d fra
ctio
n se
nsor
s, fl
ow a
nd p
ress
ure
data
is
ongo
ing
and
will
be
pres
ente
d in
a fu
ture
pap
er.
•S
mal
l des
ign
chan
ges
can
have
pro
foun
d ef
fect
s on
ov
eral
l air/
wat
er fl
ow ra
tes.
•O
btai
n lo
w g
ravi
ty d
ata
onbo
ard
C9
if su
ch a
n op
portu
nity
pre
sent
s its
elf.
6-Fe
b-20
06H
abita
tion
2006
25
Flui
d P
hysi
cs a
nd T
rans
port
Bra
nch
Mic
rogr
avity
Div
isio
n
Ack
now
ledg
emen
ts•
Eng
inee
ring
Team
at N
AS
A–
Am
y Ja
nkov
sky
–A
ntho
ny N
eron
e–
Thom
as D
oehn
e–
Jam
es W
agne
r–
Rob
ert D
oles
h–
Roc
helle
May
–Jo
hn M
cQui
llen
•E
ngin
eerin
g Te
am a
t ZIN
Tec
hnol
ogie
s–
Rod
Ber
riker
–Ja
mes
Ski
nner
–M
aryJ
oB
licke
nsde
rferM
eyer
•N
CS
ER
–P
adet
haTi
n•
NA
SA
LE
RC
IP S
HA
RP
sum
mer
inte
rn–
Am
anda
She
ffiel
d