stennis space center - nasa - printed documents may be obsolete; validate prior to use. 3...

RELEASED - Printed documents may be obsolete; validate prior to use.RELEASED - Printed documents may be obsolete; validate prior to use.

1

Jody

L. W

oods

Sys

tem

s A

naly

sis

& M

odel

ing

NA

SA

Joh

n C

.Ste

nnis

Spa

ce C

ente

r

App

licat

ion

ofA

pplic

atio

n of

AN

SY

S W

orkb

ench

& C

FX a

tA

NS

YS

Wor

kben

ch &

CFX

at

NA

SA

's J

ohn

C.

NA

SA

's J

ohn

C.

Ste

nnis

Spa

ce C

ente

rS

tenn

is S

pace

Cen

ter

https://ntrs.nasa.gov/search.jsp?R=20070014890 2018-06-26T07:51:45+00:00Z


2

Ove

rvie

wO

verv

iew

Sten

nis S

pace

Cen

ter

•S

SC

Bac

kgro

und

Info

–W

ho W

e A

re &

Wha

t We

Do

–Te

st F

acili

ties

/ Cap

abili

ty

•A

naly

sis

Act

iviti

es a

t SS

C–

Sys

tem

s A

naly

sis

& M

odel

ing

•D

iver

se R

ange

of A

naly

sis

Type

s•

Ana

lysi

s To

ols

Use

d

•A

NS

YS

Wor

kben

ch /

CFX

App

licat

ions

–R

ecen

t Exa

mpl

es o

f AN

SY

S W

orkb

ench

Ana

lyse

s–

Futu

re A

NS

YS

Wor

kben

ch &

CFX

Cap

abili

ty A

sses

smen

t


3

App

licat

ion

ofA

pplic

atio

n of

AN

SY

S W

orkb

ench

& C

FX a

tA

NS

YS

Wor

kben

ch &

CFX

at

NA

SA

's J

ohn

C.

NA

SA

's J

ohn

C.

Ste

nnis

Spa

ce C

ente

rS

tenn

is S

pace

Cen

ter

Sten

nis S

pace

Cen

ter

Sten

nis

Spac

e C

ente

r Bac

kgro

und

Info


4

SS

C

SS

C ––

Who

We

Are

& W

hat

We

Do

Who

We

Are

& W

hat

We

Do

Sten

nis S

pace

Cen

ter

One

of N

ASA

One

of N

ASA

’’ s 1

0 Fi

eld

Cen

ters

; The

Nat

ion

s 10

Fie

ld C

ente

rs; T

he N

atio

n ’’s

Prem

ier R

ocke

t Pro

puls

ion

s Pr

emie

r Roc

ket P

ropu

lsio

nTe

st F

acili

ty a

nd H

ome

to th

e A

pplie

d R

esea

rch

& T

echn

olog

y O

ffiTe

st F

acili

ty a

nd H

ome

to th

e A

pplie

d R

esea

rch

& T

echn

olog

y O

fficece

•En

gine

erin

g &

Sci

ence

Dire

ctor

ate

(E&

SD)

–R

espo

nsib

le fo

r the

saf

e op

erat

ion

of o

ne o

f a k

ind

natio

nal t

est f

acilit

ies

valu

ed a

t ove

r $2

billi

on

–O

vers

ight

of s

ever

al ro

cket

eng

ine

prop

ulsi

on te

st p

rogr

ams

such

as S

pace

Shu

ttle

Mai

n E

ngin

e ac

cept

ance

test

ing

and

Con

stel

latio

n S

yste

ms

J-2X

eng

ine

test

ing

for N

AS

A's

nex

t gen

erat

ion

of ro

cket

s fo

r Lun

ar a

nd M

ars

expl

orat

ion

•A

pplie

d R

esea

rch

& T

echn

olog

y Pr

ojec

t Offi

ce (A

RPT

O)a

nd th

e Sc

ienc

e an

d Te

chno

logy

D

ivis

ion

(S&

TD)

–C

ondu

cts

scie

ntifi

c re

sear

ch fo

cuse

d on

ext

endi

ng re

sults

of N

AS

A E

arth

-Sun

sys

tem

sci

ence

s be

yond

sc

ienc

e an

d re

sear

ch c

omm

uniti

es to

con

tribu

te to

nat

iona

l prio

rity

appl

icat

ions

with

soc

ieta

l ben

efits

–M

aint

ains

sci

entif

ic a

nd e

ngin

eerin

g la

bora

tory

cap

abili

ties

to s

uppo

rt oc

ean

colo

r rem

ote

sens

ing,

ca

libra

tion/

valid

atio

n fo

r coa

stal

rem

ote

sens

ing

and

mod

elin

g pr

oduc

ts, a

lgor

ithm

dev

elop

men

t, an

d se

nsor

dev

elop

men

t to

supp

ort s

cien

tific

and

pro

puls

ion

test

ing

appl

icat

ions

•In

nova

tive

Part

ners

hip

Prog

ram

(IPP

)–

Con

sist

s of

Sm

all B

usin

ess

Inno

vativ

e R

esea

rch

and

Smal

l Bus

ines

s Te

chno

logy

Tra

nsfe

r (SB

IR/S

TTR

) pr

ogra

ms,

Inte

llect

ual P

rope

rty M

anag

emen

t (IP

M),

and

the

Dua

l-Use

Tec

hnol

ogy

Dev

elop

men

t Pro

gram

–P

rovi

des

leve

rage

d te

chno

logy

inve

stm

ents

, dua

l-use

tech

nolo

gy p

artn

ersh

ips,

and

tech

nolo

gy s

olut

ions

fo

r NA

SA

thro

ugh

partn

ersh

ips

with

indu

stry

, aca

dem

ia, a

nd o

ther

agen

cies

SSC

Tes

ts A

Wid

e Va

riety

of E

ngin

es a

nd T

est A

rtic

les

over

a B

roSS

C T

ests

A W

ide

Varie

ty o

f Eng

ines

and

Tes

t Art

icle

s ov

er a

Bro

adadR

ange

of T

est P

rope

llant

Con

ditio

ns, F

acili

ties,

and

Con

figur

ati

Ran

ge o

f Tes

t Pro

pella

nt C

ondi

tions

, Fac

ilitie

s, a

nd C

onfig

urat

i onson

s


5

SS

C

SS

C ––

Com

plet

e S

uite

of

Tes

t C

apab

ility

and

Exp

erti

se a

t O

ne S

ite

Sten

nis S

pace

Cen

ter

SSC

Roc

ket P

ropu

lsio

n Te

st F

acili

ties

E-1

Test

Sta

nd-3

Tes

t Cel

ls-U

ltra

Hig

h Pr

essu

re B

low

-Dow

nPr

opel

lant

Del

iver

y (1

5k p

si)

-Ful

l-Sca

le E

ngin

es&

Com

pone

nts

(Up

to 1

.2M

lbf T

hrus

t)

A-1

& A

-2 T

est S

tand

s-1

Tes

t Cel

l Eac

h-L

ow P

ress

ure

Run

Tan

k Pr

opel

lant

Del

iver

yFu

ll-Sc

ale

Engi

ne D

evel

opm

ent &

Cer

tific

atio

n(U

p to

1.7

M lb

f Thr

ust)

E-2

Test

Sta

nd-2

Tes

t Cel

ls-U

ltra

Hig

h Pr

essu

re B

low

-Dow

nPr

opel

lant

Del

iver

y (1

5k p

si)

-Mid

-Sca

le &

Sm

all-S

cale

En

gine

s &

Com

pone

nts

(Up

to 1

20K

lbf T

hrus

t)

B-1

/B-2

Tes

t Sta

nd-2

Tes

t Cel

ls-L

ow P

ress

ure

Run

Tan

k Pr

opel

lant

Del

iver

y-F

ull-S

cale

Eng

ine

/ Sta

ge D

evel

opm

ent &

Cer

tific

atio

n(U

p to

11M

lbf T

hrus

t)

E-3

Test

Sta

nd-2

Tes

t Cel

ls-H

igh

Pres

sure

Blo

w-D

own

-Pro

pella

nt D

eliv

ery

-Sm

all-S

cale

& S

ub-S

cale

Engi

nes

& C

ompo

nent

s(U

p to

60K

lbf T

hrus

t)


6

Sten

nis S

pace

Cen

ter

SSC

Roc

ket P

ropu

lsio

n Te

st S

uppo

rt F

acili

ties

SS

C

SS

C ––

Com

plet

e S

uite

of

Tes

t C

apab

ility

and

Exp

erti

se a

t O

ne S

ite

Cry

ogen

ic P

rope

llant

Sto

rage

Fac

ility

Six

100,

000

Gal

lon

LO2

Bar

ges

Thre

e 24

0,00

0 G

allo

n LH

2 B

arge

s60

0,00

0 G

allo

n LH

2 St

orag

e Sp

here

Hig

h Pr

essu

re In

dust

rial W

ater

(HPI

W)

330,

000

gpm

Del

iver

y Sy

stem

Hig

h Pr

essu

re G

as F

acili

ty (H

PGF)

GN

, GH

e, G

H, A

ir: ~

300

0 to

400

0 ps

i

Add

ition

al S

uppo

rt

•La

bora

torie

sG

as a

nd M

ater

ial A

naly

sis

Mea

sure

men

t Sta

ndar

ds a

nd C

alib

ratio

nE

nviro

nmen

tal M

easu

rem

ents

& A

naly

sis

•Fa

bric

atio

n &

Mai

nten

ance

Sho

ps•

Site

Util

ities


7

App

licat

ion

ofA

pplic

atio

n of

AN

SY

S W

orkb

ench

& C

FX a

tA

NS

YS

Wor

kben

ch &

CFX

at

NA

SA

's J

ohn

C.

NA

SA

's J

ohn

C.

Ste

nnis

Spa

ce C

ente

rS

tenn

is S

pace

Cen

ter

Sten

nis S

pace

Cen

ter

Ana

lysi

s A

ctiv

ities

at S

SC


8

SS

C

SS

C ––

Sys

tem

s A

naly

sis

& M

odel

ing

Sys

tem

s A

naly

sis

& M

odel

ing

Sten

nis S

pace

Cen

ter

•D

iver

se R

ange

of P

robl

ems

Ana

lyze

d to

mee

t Res

pons

ibili

ties

for F

acili

ty a

nd

Test

Pro

gram

Des

ign,

Ope

ratio

ns, a

nd M

aint

enan

ce–

Stru

ctur

al:P

ipin

g S

yste

ms,

Com

pone

nts,

and

Tes

t Sta

nd S

truct

ures

, Lin

ear &

Non

-Lin

ear S

tress

, Mod

al,

Stru

ctur

al D

ynam

ics,

Con

tact

, Stru

ctur

al S

tabi

lity

–Fl

uids

:Liq

uids

, Gas

es, -

420o F

to 6

000o F

+, N

ear V

acuu

m to

Ultr

a H

igh

Pre

ssur

es, I

ncom

pres

sibl

e,

Com

pres

sibl

e, P

ipin

g N

etw

orks

, Com

plex

3D

Inte

rnal

and

Ext

erna

l Flo

ws,

Che

mic

al R

eact

ions

, Cav

itatio

n,

Flow

Inst

abilit

ies,

Mul

ti-P

hase

Flo

w, B

oilin

g , F

ree

Sur

face

s–

Ther

mal

:Stru

ctur

al H

eat X

fr w

ith C

ondu

ctio

n, C

onve

ctio

n, a

nd R

adia

tion,

Pip

ing

Sys

tem

Net

wor

k A

naly

sis

–M

ulti-

Phys

ics:

Ther

mal

Stre

ss, C

onju

gate

Hea

t Xfr

Invo

lvin

g C

ondu

ctio

n an

d R

adia

tion,

Flu

id S

truct

ure

Inte

ract

ion

•W

e ha

ve d

evel

oped

a s

uite

of e

ffect

ive

anal

ytic

mod

elin

g an

d an

alys

is to

ols

prov

idin

g hi

gh fi

delit

y as

sess

men

t of t

est s

tand

per

form

ance

; our

tool

s in

clud

e:–

Roc

ket P

ropu

lsio

n Te

st A

naly

sis

(RP

TA) M

odel

, a 1

D p

rope

llant

sys

tem

ana

lyze

r–

Spre

adsh

eet &

Mat

hCad

-Bas

ed A

naly

sis

Rou

tines

for O

rific

e S

izin

g, P

ress

ure

Dro

p/V

alve

S

izin

g &

Pro

tube

ranc

e A

naly

sis

(RTD

in P

ipes

), et

c.–

Pipi

ng N

etw

ork

Flow

& H

eat T

rans

fer A

naly

sis

(Flo

wM

aste

r, S

IND

A)–

Pipi

ng S

yste

m S

truct

ural

& C

ode

Com

plia

nce

Ana

lysi

s (A

utoP

IPE

)–

CFD

Use

d fo

r Sel

ect P

ropu

lsio

n Te

st S

ituat

ions

(CR

UN

CH

, CFX

)–

Fini

te E

lem

ent S

truc

tura

l, Th

erm

al, a

nd M

ultip

hysi

cs A

naly

sis

( AN

SYS/

CFX

)

•G

row

ing

our C

apab

ilitie

s–

Proc

ured

AN

SYS

Mec

hani

cal,

Pro-

Engi

neer

Impo

rt M

odul

e an

d 1

year

leas

e of

CFX

M

esh

, CFX

Ful

l Cap

abili

ty S

olve

r, C

FX P

ost,

and

CFX

Par

alle

l in

Oct

. ‘06

•“F

illed

the

Gap

s”in

our

ana

lysi

s to

ol s

uite

•As

sess

CFX

& W

orkb

ench

/CFX

cap

abilit

ies

rela

tive

to o

ur n

eeds


9

3

Des

ign

& A

naly

sis

FY-0

6/07

Capa

bilit

y D

evel

opm

ent I

nitia

tives

•Im

prov

ed D

DM

S•

Rec

ord

Ret

entio

n Sy

stem

Dev

elop

men

t•

Dra

win

g T

ree

Dev

elop

men

t•

Pro/

E m

odel

MSK

cap

abili

ty•

A C

M e

nhan

cem

ent o

ppor

tuni

ty•

Wid

er (E

xtra

-EA

30) a

cces

s to

anal

ytic

mod

els

•PI

TV

Pro

ject

•G

UI

•Se

rver

Acc

ess

•In

stitu

ted

EA30

Inte

rnal

Tec

hnic

al R

evie

ws

Tes

t Dat

a A

naly

sis P

roce

ss I

mpr

ovem

ents

Stre

ngth

enin

g/B

road

enin

g R

ange

of

Eng

inee

ring

Sta

ff C

ompe

tenc

ies

•St

ruct

ural

Ana

lysi

s•

Ther

mal

Ana

lysi

s/H

eat T

rans

fer

•C

ontro

l Sys

tem

s des

ign/

deve

lopm

ent

•Fl

uid

Mec

hani

cs sp

ecifi

c to

RPT

EA30

Bro

ader

/Mor

e C

ompr

ehen

sive

E

ngin

eeri

ng S

uppo

rt

•A

&B

Sta

nd M

odel

ing

& A

naly

sis

•O

pera

tions

Sup

port

•A

ctiv

atio

n &

Tes

t•

Faci

lity

Ope

ratio

ns S

uppo

rt, e

.g.,

in F

Y06

•LH

2 B

arge

RD

issu

e•

HP

Air

Syst

em C

onta

min

atio

n•

LH2

Sphe

re B

ypas

s Des

ign

•U

T in

spec

tion

of B

Sta

nd H

P W

ater

Del

uge

Sys

•E1

LO

2 B

utte

rfly

Val

ve In

vest

igat

ion

Ana

lysi

s Too

l Sui

te G

row

th

•RPT

A M

odel

•CFD

Cru

nch/

FDN

S•F

anno

Mod

el•M

athC

ad/E

xcel

Mod

els

•Aut

oPIP

E P

ipin

g Sy

stem

s

Exp

andi

ng B

eyon

d SS

C E

-Com

plex

•PB

S B

2 Te

st S

tand

Des

ign

•K

SC L

O2

Tank

Ana

lysi

s•

RS-

68 T

est v

s. Fl

ight

Per

form

ance

Var

iatio

n

•A

NSY

S W

orkb

ench

with

CFX

•St

ruct

ural

Stre

ss &

The

rmal

Ana

lysi

s•

Pipi

ng S

yste

m a

nd T

est S

tand

Mod

al a

nd

Dyn

amic

s Ana

lysi

s•

Con

juga

te H

eat T

rans

fer A

naly

sis

•Fl

uid

Stru

ctur

e In

tera

ctio

n A

naly

sis

•A

dvan

ced

Com

puta

tiona

l Flu

id D

ynam

ics A

naly

sis

•Fl

owM

aste

r by

Flo

wM

aste

r, In

c.•

Purg

e sy

stem

s des

ign

and

anal

ysis

•SI

ND

A•

Syst

em N

etw

ork

Ther

mal

Ana

lysi

s

Sten

nis S

pace

Cen

ter

SS

C

SS

C ––

Inte

grat

ed

Inte

grat

ed F

acili

tyS

imul

atio

n &

Ana

lysi

s

AN

SYS

Wor

kben

ch w

ith C

FX P

rom

ises

a S

ubst

antia

l A

NSY

S W

orkb

ench

with

CFX

Pro

mis

es a

Sub

stan

tial

Incr

ease

in P

hysi

cs B

ased

Ana

lysi

s C

apab

ility

Incr

ease

in P

hysi

cs B

ased

Ana

lysi

s C

apab

ility


10

200

204

208

212

216

220

7000

6000

5000

4000

3000

2000

1000 0

TIM

E S

ECO

ND

S

UH

P B

ottle

Pre

ssur

ePr

edic

ted

(-) v

s. A

ctua

l (o)

Inte

rface

Pre

ssur

e

Mix

er

Pre

ssur

e

SS

C

SS

C ––

Inte

grat

ed

Inte

grat

ed F

acili

tyS

imul

atio

n &

Ana

lysi

sSt

enni

s Spa

ce C

ente

rA

naly

tical

Too

ls A

vaila

ble

for T

est F

acili

ty/P

roje

ct A

naly

sis,

Sim

ulat

ion,

& M

odel

ing

•C

ompr

ehen

sive

Pro

pella

nt S

yste

m T

herm

odyn

amic

Mod

elin

g &

Tes

t Sim

ulat

ion

•C

ompr

ehen

sive

Stru

ctur

al /

Ther

mal

/ Fl

uids

Mod

elin

g E

xper

tise

&C

apab

ility

Inte

grat

ed P

erfo

rman

ce M

odel

ing

Cap

abili

ties

Subs

tant

ially

Impr

oves

U

nder

stan

ding

& K

now

ledg

e of

Tes

t Sy

stem

s Pe

rfor

man

ce th

at h

as

Tran

slat

ed to

Effi

cien

t Tes

t Fac

ility

D

esig

n, A

ctiv

atio

n, &

Tes

t Ope

ratio

ns

625 ft3

15,0

00 p

sig

UH

P G

H2

Bott

les

MV

10A

89

GH

FC

V10A

27

GH

FC

V10A

26

GH

To H

PF

lare

MV

10F

22

GH

Mix

er

To

Cell 3

MV

10F

21

LH

MV

10F

20

LH

GF

10A

4255

LH

VP

V10F

23

LH

MV

10A

4269

LH

LP

TP

FM

VT

o H

PF

lare

TC

100

GH

PE

10A

1402

LH

625 ft3

15,0

00 p

sig

625 ft3

15,0

00 p

sig

PE

436

GH

Flui

d, T

herm

al, a

nd

Ther

mod

ynam

ic S

yste

m

Net

wor

k A

naly

sis

Cou

pled

Fie

ld /

Mul

tiphy

sics

Ana

lysi

s

Win

d

Dis

tanc

e fro

m D

isch

arge

(ft)

CFD

Mod

elin

g &

Ana

lysi

s

Lum

inou

s Fl

ame

Stru

ctur

al S

tres

s,

Dyn

amic

s, a

nd H

eat

Tran

sfer

Ana

lysi

s


11

App

licat

ion

ofA

pplic

atio

n of

AN

SY

S W

orkb

ench

& C

FX a

tA

NS

YS

Wor

kben

ch &

CFX

at

NA

SA

's J

ohn

C.

NA

SA

's J

ohn

C.

Ste

nnis

Spa

ce C

ente

rS

tenn

is S

pace

Cen

ter

Sten

nis S

pace

Cen

ter

Rec

ent E

xam

ples

of

AN

SYS

Wor

kben

ch A

naly

ses


12

SS

C

SS

C ––

Exa

mpl

es o

f A

NS

YS

Exa

mpl

es o

f A

NS

YS

Wor

kben

ch /

CFX

Ana

lyse

sW

orkb

ench

/ C

FX A

naly

ses

Sten

nis S

pace

Cen

ter

14”

LOX

Valv

e Th

erm

al A

naly

sis

•26

,000

lb L

OX

Valv

e fo

r flo

w is

olat

ion

of U

ltra

Hig

h Pr

essu

re L

OX

syst

em•

Valv

e w

as c

ryo

flow

test

ed p

rior t

o in

stal

latio

n in

ord

er to

miti

gate

cos

tly

inst

alla

tion

& re

mov

al if

it d

id n

ot w

ork

corr

ectly

–FE

ther

mal

-stru

ctur

al m

odel

dev

elop

ed to

val

idat

e A

NS

YS

with

cry

oflo

w te

st d

ata

and

assi

st in

rede

sign

Geo

met

ry

Des

crip

tion

Ana

lysi

s M

odel

Load

s &

Bou

ndar

y C

ondi

tions

Val

idat

ed R

esul

ts,

thus

Met

hodo

logy

V

alid

ated

Geo

met

ry

Des

crip

tion

Ana

lysi

s M

odel

Load

s &

Bou

ndar

y C

ondi

tions

Val

idat

ed R

esul

ts,

thus

Met

hodo

logy

V

alid

ated

Mea

sure

d S

tead

y-S

tate

Mea

sure

d S

tead

y-S

tate

Fros

t Lin

e

Mea

sure

d V

alve

Hea

t Lo

ad: X

BTU

/Hr

Fros

t Lin

e

Mea

sure

d V

alve

Hea

t Lo

ad: X

BTU

/Hr

Pre

dict

ed S

tead

y-S

tate

Fro

st L

ine

Pre

dict

ed V

alve

Hea

t Lo

ad w

ithin

1%

of X

3-D

AN

SY

S Fi

nite

Ele

men

t Mod

el:

275,

000

Nod

es18

5,00

0 E

lem

ents

3-D

AN

SY

S Fi

nite

Ele

men

t Mod

el:

275,

000

Nod

es18

5,00

0 E

lem

ents

Pro

-E S

olid

Mod

elP

ro-E

Sol

id M

odel

Boi

ling

LN2

Con

vect

ive

Film

Coe

ffici

ent

2.00

E-05

5.20

E-04

1.02

E-03

1.52

E-03

2.02

E-03

2.52

E-03

3.02

E-03

3.52

E-03

050

100

150

200

250

300

350

400

| Bul

k Te

mp

- Sur

f Tem

p |

(F)

Film Coefficient (BTU/sec-in^2-F)

Con

vect

ive

Film

Coe

ffici

ent f

or N

atur

al

Con

vect

ion

of A

ir ov

er H

oriz

onta

l Cyl

inde

r

0.0E

+00

5.0E

-07

1.0E

-06

1.5E

-06

2.0E

-06

2.5E

-06

3.0E

-06

3.5E

-06 -4

00-3

50-3

00-2

50-2

00-1

50-1

00-5

00

5010

0

Ave

rage

Film

Tem

pera

ture

(F)

Film Coefficient (BTU/sec-in^2-F)

NIS

T / M

IL-H

DB

K T

empe

ratu

re

Dep

ende

nt M

ater

ial P

rope

rtie

s

Em

piri

cally

Bas

ed T

empe

ratu

re D

epen

dent

B

ound

ary

Con

ditio

n P

aram

eter

sV

on-M

ises

Str

ess

Tota

l Def

orm

atio

n

Rad

iatio

n

Boi

ling

Con

vect

ion

Nat

ural

C

onve

ctio

n

Rad

iatio

n

Boi

ling

Con

vect

ion

Nat

ural

C

onve

ctio

n


13

Mod

e 13

,14

Mod

e 1

Mod

e 5,

6

SS

C

SS

C ––

Exa

mpl

es o

f A

NS

YS

Exa

mpl

es o

f A

NS

YS

Wor

kben

ch /

CFX

Ana

lyse

sW

orkb

ench

/ C

FX A

naly

ses

Sten

nis S

pace

Cen

ter

Thru

st T

akeo

ut S

truc

ture

Mod

al A

naly

sis

•Ex

istin

g th

rust

take

-out

str

uctu

re b

eing

mod

ified

for n

ew te

st p

rogr

am•

Cus

tom

er n

eede

d na

tura

l fre

quen

cy p

redi

ctio

ns fo

r mod

ified

str

uctu

re•

Dev

elop

ed A

NSY

S W

orkb

ench

mod

els

of c

urre

nt a

nd n

ew s

truc

ture

for m

odal

an

alys

is

Mod

e 3

Mod

e 6M

ode

13Mod

e 17

Mod

e 29

Mod

e 24

Mod

e 21

Mod

e 19

Mod

e 5,

6M

ode

13M

ode

16M

ode

19M

ode

28

FE M

odel

of

Exis

ting

Stru

ctur

eFo

r mod

al A

naly

sis

•M

easu

red

freq

uenc

y re

spon

se o

f cur

rent

st

ruct

ure

to im

pact

load

ing

at s

peci

fic lo

catio

ns–

Ove

rall

agre

emen

t with

pre

dict

ion

was

goo

d•

Valid

atio

n of

mod

el w

ith e

xper

imen

tal d

ata

adde

d le

vel o

f con

fiden

ce to

pre

dict

ions

for n

ew

stru

ctur

e

Pro-

E M

odel

with

N

ew S

truc

ture

in

Red


14

SS

C

SS

C ––

Exa

mpl

es o

f A

NS

YS

Exa

mpl

es o

f A

NS

YS

Wor

kben

ch /

CFX

Ana

lyse

sW

orkb

ench

/ C

FX A

naly

ses

Sten

nis S

pace

Cen

ter

Ultr

a H

igh

Pres

sure

(15K

psi

) GN

2 Sp

ool P

iece

Mis

alig

nmen

t•

Dou

ble

90o

bend

spo

ol-p

iece

for n

ew U

HP

GN

2 B

ottle

did

n’t l

ine

up•

Prop

osed

miti

gatio

n w

as to

hea

t spe

cific

are

a in

the

field

suc

h th

at re

sulti

ng p

erm

anen

t de

form

atio

n w

ould

resu

lt in

alig

nmen

t afte

r ret

urn

to a

mbi

ent t

empe

ratu

re•

AN

SY

S W

orkb

ench

use

d to

con

duct

tran

sien

t the

rmal

and

pla

stic

def

orm

atio

n an

alys

es fo

r se

vera

l set

s of

pro

cess

par

amet

ers,

i.e.

loca

tion

and

area

of h

eat a

pplic

atio

n, d

urat

ion,

max

te

mpe

ratu

re, e

tc.

•D

eter

min

ed th

at p

ropo

sed

met

hod

wou

ld b

e in

feas

ible

–At

tain

ing

desi

red

defo

rmat

ion

wou

ld re

quire

com

plex

and

pre

cise

pro

cess

par

amet

ers,

mul

tiple

lo

catio

ns o

f hea

t app

licat

ion,

and

pos

t-ope

ratio

n st

ress

relie

f hea

t tre

atm

ent

–R

ecom

men

ded

cut-a

nd-w

eld

proc

edur

e to

ach

ieve

pre

cise

alig

nmen

t

Mis

alig

ned

Spoo

l Pie

ceFE

Mod

el

Mes

hTr

ansi

ent

Tran

sien

t A

naly

sis

Ana

lysi

s Te

mpe

ratu

re

Tem

pera

ture

C

onto

urs

Con

tour

s

@

Max

T@

Max

T

Perm

anen

t Def

orm

atio

n af

ter R

etur

n to

Am

bien

t Te

mpe

ratu

re fo

r 1 C

ase

Inve

stig

ated


15

App

licat

ion

ofA

pplic

atio

n of

AN

SY

S W

orkb

ench

& C

FX a

tA

NS

YS

Wor

kben

ch &

CFX

at

NA

SA

's J

ohn

C.

NA

SA

's J

ohn

C.

Ste

nnis

Spa

ce C

ente

rS

tenn

is S

pace

Cen

ter

Sten

nis S

pace

Cen

ter

Plan

ned

AN

SYS

Wor

kben

ch /

CFX

Cap

abili

ty A

sses

smen

t


16

SS

C

SS

C ––

Pla

nned

Fut

ure

AN

SY

SP

lann

ed F

utur

e A

NS

YS

Wor

kben

ch /

CFX

Ana

lyse

sW

orkb

ench

/ C

FX A

naly

ses

Sten

nis S

pace

Cen

ter

Blo

w-D

own

Run

Tan

k C

ryo-

Col

laps

e&

Pro

pella

nt C

onta

min

atio

n •

Blo

w-D

own

Run

Tan

ks s

uppl

y pr

opel

lant

to

test

s; a

s pr

essu

rant

is fe

d in

thro

ugh

the

top,

th

e pr

opel

lant

is fo

rced

out

the

botto

m–

Cry

o-C

olla

pse

is s

omet

imes

exh

ibite

d–

Prop

ella

nt C

onta

min

atio

n oc

curs

•A

naly

zing

and

pre

dict

ing

thes

e ph

enom

ena

is

very

com

plex

–H

eat T

rans

fer b

etw

een

wal

ls a

nd fl

uid

and

betw

een

gas

and

liqui

d–

Mul

ti-P

hase

with

tran

sitio

n fro

m s

uper

heat

ed g

as to

co

mpr

esse

d liq

uid

and

the

reve

rse

–G

oing

from

am

bien

t pre

ssur

e, s

ub-c

ritic

al c

ondi

tions

to

ultr

a-hi

gh p

ress

ure

supe

r-crit

ical

–

Free

sur

face

and

dro

plet

s w

hen

sub-

criti

cal

–H

eat t

rans

fer a

ssoc

iate

d w

ith b

oilin

g, c

onde

nsat

ion,

an

d va

poriz

atio

n•

In-H

ouse

CFD

tool

s do

n’t c

aptu

re a

ll ap

plic

able

phy

sics

–A

NS

YS

/CFX

will

be

used

to c

heck

in-h

ouse

cod

e re

sults


17

SS

C

SS

C ––

Pla

nned

Fut

ure

AN

SY

SP

lann

ed F

utur

e A

NS

YS

Wor

kben

ch /

CFX

Ana

lyse

sW

orkb

ench

/ C

FX A

naly

ses

Sten

nis S

pace

Cen

ter

LH2

Stor

age

Sphe

re B

oil O

ff•

50,0

00 G

allo

n Va

cuum

Jac

kete

d LH

2 St

orag

e Sp

here

–Lo

w p

ress

ure

inne

r tan

k su

ppor

ted

with

ligh

t sta

nd-o

ff st

ruct

ure

–Pe

rlite

fill

with

in v

acuu

m ja

cket

sup

pres

ses

radi

ativ

e he

at tr

ansf

er b

etw

een

inne

r and

ou

ter t

anks

; Per

lite

settl

ing

resu

lts in

are

a at

top

of ta

nk w

ith fu

ll ra

diat

ive

heat

tran

sfer

–C

onst

ant G

H2

boil-

off d

ue to

hea

t lea

kage

into

LH

2–

At lo

w fi

ll le

vels

sig

nific

ant t

herm

al g

radi

ent m

ay e

xist

bet

wee

n ta

nk b

otto

m a

nd to

p;

coul

d re

sult

in d

amag

e to

sup

port

stru

ctur

e an

d sh

iftin

g of

per

lite

and/

or in

ner t

ank

•N

eed

to d

eter

min

e if

ther

e ex

ists

a m

inim

um

criti

cal t

ank

fill l

evel

that

pre

clud

es e

xces

sive

ta

nk s

uppo

rt s

tres

s fr

om th

erm

al g

radi

ents

–C

onju

gate

hea

t tra

nsfe

r ana

lysi

s w

ith li

quid

, gas

, and

so

lid d

omai

ns in

volv

ing

cond

uctiv

e, c

onve

ctiv

e an

d ra

diat

ive

heat

tran

sfer

–Bo

iling

liqui

d an

d te

mpe

ratu

re s

tratif

icat

ion

of g

as

with

in in

ner t

ank

–As

LH

2 bo

ils o

ff an

d lo

wer

s fil

l lev

el, a

sses

s σ

and

δvs

. fill

leve

l


18

SS

C

SS

C ––

Pla

nned

Fut

ure

AN

SY

SP

lann

ed F

utur

e A

NS

YS

Wor

kben

ch /

CFX

Ana

lyse

sW

orkb

ench

/ C

FX A

naly

ses

Sten

nis S

pace

Cen

ter

Plum

e Im

ping

emen

t Hea

ting

with

Wat

er C

oolin

g•

Roc

ket E

ngin

e ex

haus

t plu

mes

ofte

n im

ping

e on

con

cret

e ta

rmac

or a

ste

el “

flam

e bu

cket

”th

at re

dire

cts

a ve

rtic

al p

lum

e ho

rizon

tally

–W

ater

coo

ling

is re

quire

d in

are

as o

f im

ping

emen

t

•C

apab

ility

nee

ded

to ra

pidl

y an

d ac

cura

tely

pr

edic

t am

ount

of c

oolin

g w

ater

requ

ired,

ad

equa

te in

ject

ion

hole

pat

tern

, hea

t loa

d on

st

ruct

ures

, etc

.; pa

rtic

ular

ly fo

r new

test

pr

ogra

ms

/ new

con

stru

ctio

n–

Con

juga

te h

eat t

rans

fer i

nclu

ding

radi

atio

n–

Subs

onic

& s

uper

soni

c flo

w–

Che

mic

ally

reac

ting

flow

–M

ultip

hase

flow

with

boi

ling

Impi

ngem

ent

on T

arm

ac

Impi

ngem

ent i

n Fl

ame

Buc

ket


19

SS

C

SS

C ––

Pla

nned

Fut

ure

AN

SY

SP

lann

ed F

utur

e A

NS

YS

Wor

kben

ch /

CFX

Ana

lyse

sW

orkb

ench

/ C

FX A

naly

ses

Sten

nis S

pace

Cen

ter

LN2

Pum

p Pa

ram

etric

Stu

dy•

Exis

ting

posi

tive

disp

lace

men

t LN

2 pu

mp

syst

em a

t Hig

h Pr

essu

re G

as

Faci

lity

does

not

per

form

to s

peci

ficat

ions

and

requ

ires

exce

ssiv

e m

aint

enan

ce; s

late

d to

be

repl

aced

with

new

equ

ipm

ent

•Pu

mpi

ng e

ffici

ency

ver

y se

nsiti

ve to

flui

d qu

ality

due

to v

apor

izat

ion

/ ca

vita

tion

of fl

uid

with

in c

ylin

ders

on

inle

t str

oke

–R

esul

ts in

less

than

pos

itive

dis

plac

emen

t per

form

ance

–R

esul

ts in

exc

essi

ve h

eatin

g of

flui

d an

d w

ear o

f com

pone

nts

•Pa

ram

etric

stu

dy u

sing

AN

SYS

prop

osed

in

orde

r to

arriv

e at

bes

t des

ign

give

n th

e ra

nge

of fl

uid

inle

t con

ditio

ns e

xpec

ted

–C

onju

gate

hea

t tra

nsfe

r–

Flui

d st

ruct

ure

inte

ract

ion

–M

ultip

hase

flow

with

cav

itatio

n–

Para

met

eriz

ed b

ore,

stro

ke, R

PM, e

tc.;

Ran

ge o

f flu

id in

let c

ondi

tions

–As

sess

pum

ping

effi

cien

cy v

s. p

aram

eter

s to

ar

rive

at o

ptim

um d

esig

n


20

App

licat

ion

ofA

pplic

atio

n of

AN

SY

S W

orkb

ench

& C

FX a

tA

NS

YS

Wor

kben

ch &

CFX

at

NA

SA

's J

ohn

C.

NA

SA

's J

ohn

C.

Ste

nnis

Spa

ce C

ente

rS

tenn

is S

pace

Cen

ter

Sten

nis S

pace

Cen

ter

Sum

mar

y•

NA

SA’s

Joh

n C

. Ste

nnis

Spa

ce C

ente

r –W

ho w

e ar

e &

Wha

t We

Do

–Th

e N

atio

n’s

Pre

mie

r Roc

ket P

ropu

lsio

n Te

st F

acilit

y; W

e Te

st A

Wid

e V

arie

ty o

f Eng

ines

and

Te

st A

rticl

es o

ver a

Bro

ad R

ange

of T

est P

rope

llant

Con

ditio

ns, F

acilit

ies,

and

Con

figur

atio

ns

•A

naly

sis

Act

iviti

es a

t SSC

–D

iver

se R

ange

of P

robl

ems

Ana

lyze

d to

mee

t Res

pons

ibili

ties

for F

acilit

y an

d Te

st P

rogr

am

Des

ign,

Ope

ratio

ns, a

nd M

aint

enan

ce–

We

have

dev

elop

ed a

sui

te o

f effe

ctiv

e an

alyt

ic m

odel

ing

and

anal

ysis

tool

s–

Gro

win

g ou

r cap

abilit

ies;

acq

uire

d A

NS

YS

Wor

kben

ch /

CFX

as

part

of d

evel

opm

ent i

nitia

tive

•Ex

ampl

es o

f tas

ks a

lread

y un

dert

aken

usi

ng A

NSY

S W

orkb

ench

–Th

erm

al /

Stru

ctur

al A

naly

sis

Val

idat

ed w

ith E

xper

imen

tal D

ata

–M

odal

Ana

lysi

s V

alid

ated

with

Exp

erim

enta

l Dat

a–

Tran

sien

t Hea

t Tra

nsfe

r and

The

rmal

Stre

ss w

ith P

last

ic D

efor

mat

ion

–A

NSY

S W

orkb

ench

has

bee

n ve

ry u

sefu

l and

has

live

d up

to e

xpec

tatio

ns

•Ex

ampl

es o

f cap

abili

ty e

valu

atio

n pl

anne

d us

ing

AN

SYS

Wor

kben

ch &

CFX

–C

onju

gate

Hea

t Xfr

with

Mul

tipha

se fl

ow, v

ery

com

plex

ther

mod

ynam

ics,

liqu

id fr

ee s

urfa

ce

and

drop

lets

; phy

sics

not

sol

vabl

e by

in-h

ouse

CFD

cod

es–

Con

juga

te H

eat X

fr w

/ Rad

iatio

n / T

herm

al S

tress

, Mul

tipha

se F

low

, Boi

ling,

Buo

yanc

y–

Con

juga

te H

eat T

rans

fer X

fr w

/ Rad

iatio

n, M

ultip

hase

Flo

w, B

oilin

g, S

ubso

nic

& S

uper

soni

c Fl

ow, C

hem

ical

ly R

eact

ing

Flow

–Pa

ram

etric

Stu

dy in

volv

ing

Con

juga

te H

eat T

rans

fer,

Mul

tipha

se F

low

with

Cav

itatio

n, a

nd

Flui

d S

truct

ure

Inte

ract

ion


21

App

licat

ion

ofA

pplic

atio

n of

AN

SY

S W

orkb

ench

& C

FX a

tA

NS

YS

Wor

kben

ch &

CFX

at

NA

SA

's J

ohn

C.

NA

SA

's J

ohn

C.

Ste

nnis

Spa

ce C

ente

rS

tenn

is S

pace

Cen

ter

Sten

nis S

pace

Cen

ter

Que

stio

ns /

Dis

cuss

ion

???

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