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NEW SOPHISTICATED ANALYSIS METHOD OF CRYSTALLIZER
TEMPERATURE PROFILE UTILIZING OPTICAL FIBER DTS
BASED ON THE STIMULATED RAMAN SCATTERING
Pe KOUDELKA1, And ej LINER1, Ma in PAPES1, Jan LATAL1, Vladimi VASINEK1, Jan
HURTA2, Tomas VINKLER1, Pe SISKA1
1Depa men o Telecommunica ions, Facul y o Elec ical Enginee ing and Compu e Science, VSB-Technical
Uni e si y o Os a a, 17. lis opadu 15, 708 33 Os a a-Po uba, Czech Republic
2Labo a o y Building Ma e ials, Facul y o Ci il Enginee ing, VSB-Technical Uni e si y o Os a a, Lud ika Podes e
1875/17, 708 33 Os a a-Po uba, Czech Republic
pe .koudelka@ sb.cz, and ej.line[email p o ec ed]z, ma in.papes@ sb.cz, jan.la al@ sb.cz, ladimi [email p o ec ed],
jan.hu a@ sb.cz, omas. inkle [email p o ec ed]
Abs ac . Con inuous cas ing is a mode n and ad anced
echnology o s eel p oduc ion, whose p oduc is a s eel
blank as a semi inished p oduc o u he
manu ac u ing. I is known ha be e moni o ing and
p ocess con ol o cas ing imp o es he s eel quali y and
is able o ensu e cus ome s’ equi emen s in e ms o
sizes, b ands, quan i ies and p ope ies wi h lowe cos s.
The c ys allize belongs among he mos impo an pa s
o his whole p ocess [1]. A p esen many me hods o
analysing o he c ys allize empe a u e p o ile in
ope a ion we e published and expe imen ally e i ied. In
hese me hods, he he mocouples o B agg g a ings a e
widely used. New sophis ica ed analysis me hod o
c ys allize empe a u e p o ile is he u iliza ion o he
op ical ibe DTS based on he s imula ed Raman
sca e ing. This pape desc ibes he i s expe imen al
measu emen and e i ica ion o he me hod, which a e
necessa y o he me hod deploymen in o he indus ial
p ac ices.
Keywo ds
Cas ing o s eel, c ys allize , ibe op ic DTS, ibe
op ic meande in poin mode, s imula ed Raman
sca e ing.
1. C ys allize and i s Func ions
The main unc ion o he c ys allize is o ensu e
s i ening o he su ace shell o such a hickness and
s eng h ha will keep he con en o a liquid co e inside
a he i on s eam inpu in o he seconda y cooling zone.
The key pa ame e s a e shape, shell hickness, he same
empe a u e o he shell du ing he shi and his all
wi hou he in e nal and su ace de ec s wi h minimal
po osi y and a small numbe o non-me allic inclusions
[2].
The c ys allize is made o e y pu e coppe alloy.
The walls o he c ys allize cooled by wa e dissipa e he
hea om he solidi ying s eel. The inne wo king su ace
o coope pla es con ains ch omium o nickel o achie e
adequa e su ace ha dness. The de ini ion o he hea
ans e be ween he s eel blank and he c ys allize , as
one o he bounda y condi ions, is complica ed and also
key p oblem [2]. The cooling o he s eel blank in
c ys allize is a combina ion o hea ans e by
con ec ion, conduc ion and adia ion. The la ges amoun
o hea pe ime uni is dissipa e away om he s eel
blank in he c ys allize and i is om 10 o 30 % o o al
hea . In mos cases, he c ys allize is cooled by wa e
lowing h ough he milled slo s o d illed channels o he
pla es, o i is cons uc ed as a ubula , so he whole ou e
su ace is washed by wa e . The hea ans e passes o e
e e y single laye as shown he Fig. 1, which o ms an
o e all esis ance agains he hea ans e [2].
Fig. 1: The c ys allize ’s ope a ion scheme [2].
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1.1. The Coe icien s o he Hea T ans e in
he C ys allize
The hea low Qm dissipa ed om he s eel blank is gi en
by o mula (1) implying han his low is ca ied o by
cooling wa e , passing h ough he c ys allize [3]:
inou wwm TTFcQ
., (1)
whe e F is he hea low [kg.s-1], cw is he speci ic he mal
capaci y o cooling wa e [J.kg-1.K-1], ρw is he densi y o
cooling wa e [kg·m-3], Tou is empe a u e a he ou pu o
he c ys allize [K], and Tin is empe a u e a he inpu o
he c ys allize [K].
The a e age hea ans e coe icien on he
bounda y s eel blank – c ys allize can be de e mined
om he equa ion:
ou solidus
m
mTTA
Q
h c
.
, (2)
whe e h cm is he hea ans e coe icien o he
c ys allize [W.m-2K-1], Qm is he hea low o he
c ys allize , A is he a ea o he c ys allize wo king
su ace [m2], Tsolidus is he empe a u e o he solid phase
[K] and Tou is he empe a u e a he ou pu o he
c ys allize [K]. Fig. 2 shows he empe a u e p o ile a
he s eel blank - c ys allize bounda y.
Fig. 2: The empe a u e p o ile o he s eel blank – c ys allize
bounda y.
F om he expe imen al measu emen , in which 44
he mocouples in wo lines we e ins alled in o he
c ys allize , i is possible o obse e ha he empe a u e
is abou alues o 100 °C a he spo Tm and do no exceed
200 °C [2].
2. Op ical Fibe DTS Based on he
S imula ed Raman Sca e ing
Op ical Fibe DTS (Dis ibu ion Tempe a u e Sys em) is
unique dis ibu ed empe a u e sys em using op ical ibe
as a senso . Thanks o he ad an ageous p ope ies o he
op ical ibe a e hese senso sys ems e y in e es ing and
p e e able o u iliza ion in he indus ial en i onmen
[4]. In some ac ual cases, he op ical ibe DTS a e
nowadays an indispensable ool:
moni o ing o he pipeline leaks,
moni o ing o wa e leakage in wa e
cons uc ions,
measu emen o empe a u e p o iles o he
bo eholes in o he ock mass (hea pumps).
Op ical ibe DTS uses nonlinea phenomena in
op ical ibe , namely Raman and B illouin nonlinea
sca e ing. Op ical ibe DTS using B illouin s imula ed
sca e ing a e able o measu e no only he empe a u e
bu also mechanical s ess along he op ical ibe a
dis ances up o 50 km, bu due o he highe acquisi ion
cos s Raman DTS a e cu en ly mos ly used in he
indus ial p ac ises.
2.1. The P inciple o Ope a ion o Op ical
Fibe DTS Based on S imula ed Raman
Sca e ing
In he case whe e we wan o de e mina e he empe a u e
a he ce ain poin z o he ibe ( he dis ance om he
head o he ibe ), i is a i s impo an o ocus on he
cha ac e is ic spec um o he Raman sca e ing. IS
ep esen s he in ensi y o he S okes pa o Raman
sca e ing, IAS ep esen s he in ensi y o he an i–S okes
pa o Raman sca e ing. Commonly used lase s in
op ical ibe DTS based on he s imula ed Raman
sca e ing ha e ypical wa eleng h a 1064 nm [5], [6].
The inal ma hema ical o mula desc ibing he
p inciple o ope a ion o op ical ibe DTS based on he
s imula ed Raman sca e ing is ep esen ed by Eq. (3).
The inal o m o he Eq. (3) is a linea combina ion o
he empe a u e o se ( he i s pa o equa ion), he
di e ence o he a enua ion in he op ical ibe ( he
second pa o he equa ion) and measu ed empe a u e
based on he a io o an i-S okes and S okes pa o he
Raman sca e ing spec um ( he hi d pa o he
equa ion):
AS
S
AS
S
AS
S
REF
C
C
zI
zI
C
C
z
TzT
ln
ln
ln
1
, (3)
whe e CS and CAS a e cons an s, Δα = αS – αAS and is
g ea e han ze o, T(z) is he size o empe a u e a he
spo z om he head o he op ical ibe .
The o mula co esponding o he empe a u e
o se TREF is as ollows:
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AS
S
REF
C
C
k
T
ln
h, (4)
whe e k is Bol zmann cons an , 2πΩ is ed and blue
equency shi and h is Planck cons an .
2.2. Op ical Meande s in Poin Mode
I i is necessa y o ensu e an accu a e localiza ion in he
measu emen p ocess, i is app op ia e o apply op ical
meande s in he poin mode. The poin mode means ha
in some speci ic spo is c ea ed senso y ing om op ical
ibe . In p ac ice, i is o en equi ed o ha e he senso y
ing wi h as small sizes as possible (inne diame e and
leng h o he op ical ibe in he ing). I is ob ious ha
he dimensions o he senso y ing will a y wi h
di e en pa ame e s o op ical ibe s [7].
Expe imen al measu emen e ealed, ha o
mul imode op ical ibe wi h igh seconda y p o ec ion
(ou e diame e 900 µm) is senso y ing c i ical inne
diame e a alue o 3,5 cm, as shown in Fig. 3.
Fig. 3: E ec o he inne diame e o he senso y ing on he
measu ed empe a u e o he wa e ba h (measu ed oge he ,
op ical ibe wi h igh seconda y p o ec ion, ou e diame e
900 µm).
In he case o using mul imode op ical ibe wi h
only p ima y p o ec ion (ou e diame e 250 µm), he
c i ical inne diame e o senso y ing dec eases o he
alue o 3 cm, as shown in Fig. 4.
Fig. 4: E ec o he inne diame e o he senso y ing on he
measu ed empe a u e o he wa e ba h (measu ed oge he ,
op ical ibe wi h p ima y p o ec ion, ou e diame e 250 µm).
Acco ding o ano he expe imen al measu emen
he leng h o mul imode op ical ibe in he single senso y
ing has a c i ical minimal alue abou 3 m.
3. Expe imen al U iliza ion o
Senso y Rings Du ing High
Tempe a u e Measu emen
As was ound om he expe imen al measu emen o he
con inual cas ing in ope a ion using he mocouples, he
empe a u e o c ys allize does no exceed 200 °C and
a ied a ound he alue o 100 °C [2]. Expe imen al
measu emen o he senso y ing pa ame e s made ou o
mul imode op ical ibe was ca ied ou in he wa e ba h
Memme a he empe a u e o 40 °C only. The e o e, i
was necessa y o e i y his me hod o empe a u e
measu emen using senso y ing in measu emen o high
empe a u es.
To e i y he applicabili y o his me hod o high
empe a u es measu emen was c ea ed he con igu a ion
consis ing o 3 senso y ings. The pa ame e s o he used
senso y ings co esponded o he esul s o he
expe imen al measu emen s espec i ely, he inne
diame e o he ings was equal o 5 cm, and he leng h o
op ical ibe in he ing was 5 m. The dis ance be ween
indi idual senso y ings was also 5 m. This con igu a ion
allows o assess whe he high empe a u e does no a ec
he empe a u e o se calib a ion and compensa ion o
he op ical ibe a enua ion (3), as is shown in Fig. 5.
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Fig. 5: The mal cu es o chosen con igu a ion allowing me hod
analysis in e ms o main aining he empe a u e o se
calib a ion and compensa ion o he op ical ibe a enua ion a
high empe a u es.
Schema ic diag am o he expe imen al
measu emen using op ical ibe DTS based on he
s imula ed Raman sca e ing and con igu a ion o senso y
ings shows Fig. 6. The i s and he las senso y ing
we e placed on he ce amic pla e inside o he high
empe a u e u nace ( ing n.1 and n.3). The middle
senso y ing ( ing n.2) was placed ou side o he high
empe a u e u nace. Ta ge empe a u e o high
empe a u e u nace was se a 900 °C.
Fig. 6: Schema ic diag am o he expe imen al measu emen using
op ical ibe DTS based on he s imula ed Raman sca e ing
and con igu a ion o senso y ings.
3.1. Senso y Ring om Mul imode Op ical
Fibe wi h Tigh Seconda y P o ec ion
(Ou e Diame e 900 µm)
The senso y ings c ea ed om mul imode op ical ibe
wi h a igh seconda y p o ec ion we e chosen o he
ini ial alida ion o he me hod. Ring n.1 was placed nea
he en ance doo o he high empe a u e u nace, ing
n.2 was placed ou side o he u nace and ing n.3 was
placed in he ea sec ion o he u nace, as shown in
Fig. 7.
Fig. 7: Placemen o senso y ings inside he high empe a u e u nace.
Pho o was aken a e 45 minu es om he beginning o he
p ocess.
The esul o he i s 30 minu es o he
measu emen wi h senso y ings placed in he high
empe a u e u nace shows Fig. 8. The esul shows ha
he disposi ion inside he u nace was selec ed
inco ec ly. The inpu mul imode op ical ibe was led o
he high empe a u e u nace h ough he g omme placed
in he uppe pa o u nace (Fig. 7). The inpu ibe
passes nea he hea ing coil, which caused he ip in
measu ed empe a u e cu es a a dis ance o 64 m
(Fig. 8). Ano he p oblem was he empe a u e
dis ibu ion inside he u nace. F om he measu ed da a, i
is ob ious ha he empe a u e in he ea sec ion o he
u nace is much highe han he empe a u e nea he
on doo o he u nace.
Acco ding o he me hod displayed in Fig. 5 i is
no possible o co ec ly e alua e me hod o senso y ing
(op ical meande s in poin mode) in his con igu a ion.
Fig. 8: Senso y ings om mul imode op ical ibe wi h igh
seconda y p o ec ion placed in high empe a u e u nace o he
ime om 0 o 30 minu es. Ta ge empe a u e 900 °C.
The p oblem o senso y ing om mul imode
op ical ibe wi h a igh seconda y p o ec ion occu s a
he empe a u e o 400 °C. As shown in Fig. 9, he
seconda y p o ec ion (PVC) began o bu n, and ing n.1
changed i s shape (Fig. 10). These p oblems signi ican ly
a ec ed he measu emen o highe empe a u es (bu
only in case o damaged ing).
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Fig. 9: Senso y ings om mul imode op ical ibe wi h igh
seconda y p o ec ion placed in high empe a u e u nace o he
ime om 33 o 60 minu es. Ta ge empe a u e 900 °C.
Fig. 10: Shape ailu e o he senso y ing n.1 om mul imode op ical
ibe wi h igh seconda y p o ec ion a a empe a u e highe
han 400 °C.
Acco ding o hese expe imen s can be said ha
senso y ings om mul imode op ical ibe wi h igh
seconda y p o ec ion a e limi ed in use by he ma e ial o
seconda y p o ec ion i sel . The lash poin o PVC is in
he ange om 385 o 530 °C, which is he eason, why
PVC is no app op ia e ma e ial o measu emen a such
high empe a u es [8].
3.2. Senso y Ring om Mul imode Op ical
Fibe wi h P ima y P o ec ion (Ou e
Diame e 250 µm)
The con igu a ion wi h senso y ing om mul imode
op ical ibe wi h jus p ima y p o ec ion was used o he
second expe imen al measu emen inside he high
empe a u e u nace. A e p e ious expe ience, he ibe
was guided h ough he en ance doo o he high
empe a u e u nace and senso y ings n.1 and n.3 we e
placed a each o he (Fig. 11).
Fig. 11: De ail o disposi ion o senso y ings n.1 and n.3 inside he
high empe a u e u nace. The pho o was aken be o e he s a
o he p ocess.
The esul o he i s 30 minu es o he measu emen is
shown in Fig. 12.
Fig. 12: Senso y ings om mul imode ibe wi h p ima y p o ec ion
only placed in high empe a u e u nace o he ime om 0 o
30 minu es ( a ge empe a u e 900 °C).
Acco ding o Fig. 12 i is ob ious ha ings n.1 and n.3
showed di e en empe a u es ( o he ime om 0 o 21
minu es). We assumed ha he lowe ing n.3 was cooled
by a ce amic pla e. The e o e, in he 7 h i e a ion o he
measu emen (21s minu e) he doo o high empe a u e
u nace was opened and he ings we e placed nex o
each o he . Ou assump ion was con i med because he
ings empe a u es we e aligned in he ollowing ime
pe iod ( om 24 o 30 minu es.).
When he empe a u e o 330 °C was eached (13 h
i e a ion o measu emen , 39 h minu e.) he empe a u e in
he ing n.3 inc eased and he empe a u e in he ing n.1
emained he same. The p ocess was accompanied by a
dis inc i e odou . I was suspec ed ha he d aw bands
bu ned ou . The e o e, he en anced doo o he high
empe a u e u nace was opened be ween 45 h and 48 h
minu e o check he s a e o senso y ings. D aw bands
bu n ou con i ms Fig. 13.
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Fig. 13: Bu ned d aw bands used o main ain he shape o senso y
ings.
A e bu n ou o he d aw band, bo h ings showed he
same empe a u e. In 19 h i e a ion (57 h minu e) a he
empe a u e o 450 °C inside was he en ance doo
opened again o check he s a e o he senso y ings. This
e ec can be obse ed in Fig. 14 due o dec easing o he
empe a u e om 450 °C o alue abou 400 °C.
Fig. 14: Senso y ings om mul imode ibe wi h p ima y p o ec ion
placed in high empe a u e u nace o he ime om 33 o 60
minu es ( a ge empe a u e 900 °C).
A e his check, he doo o he u nace was no
opened ill he end o his measu emen . The objec i e o
his measu emen was o ind ou he maximum possible
empe a u e alue a which is his me hod s ill able o
measu e co ec ly, see Fig. 15.
Fig. 15: Senso y ings om mul imode ibe wi h p ima y p o ec ion
placed in high empe a u e u nace o he ime om 63 o 81
minu es ( a ge empe a u e 900 °C).
F om he Fig. 15, i is clea ly isible ha he
me hod is able o measu e un il he empe a u e abou
600 °C. The des uc ion o he p ima y p o ec ion laye
occu s a e exceeding o his empe a u e. This
p o ec ion laye held he o m o he ing oge he as a
conglu ina e (a e bu n ou o he d aw band). The
collapse o he p ima y p o ec ion laye causes ha he
mul imode op ical ibe (co e and cladding only) will no
keep i s o iginal shape. Thanks o i s agili y will b eak
apa immedia ely, when will ouch he wall o he
u nace (see he 81s minu e, Fig. 15).
The conclusion o his me hod expe imen al
e i ica ion in high empe a u e u nace is ha o he
ideal con igu a ion o he senso y ing is app op ia e o
use mul imode op ical ibe wi h p ima y p o ec ion. This
con igu a ion is able o measu e he empe a u es up o
600 °C. The o he ad an age o his con igu a ion is ha
he senso y ing made o mul imode op ical ibe wi h
jus p ima y p o ec ion has a smalle dimension. Howe e
in he case o measu emen o c ys allize he mal p o ile,
when empe a u es a e no expec ed highe han 200 °C,
i is possible o use a senso y ing made o mul imode
op ical ibe wi h a igh seconda y p o ec ion.
4. Implemen a ion o Senso y Rings
on he C ys allize
Fo sol ing o he p oblems connec ed wi h he
placemen o he senso y ings on he ou e shell o he
c ys allize was c ea ed i s model, which has he same
ou e dimension (in c oss sec ion), see Fig. 16.
Fig. 16: Ou e dimensions o he eal c ys allize in c oss sec ion.
Du ing he cons uc ion o his model was o
easie ab ica ion chosen he pla e wi h hickness o
4 mm only. The leng h o he c ys allize model was se
o 600 mm.
The wo a ian s o he senso y ings
con igu a ions we e chosen o sol ing o he placemen
ask. I is as a eac ion on he ques ion, how o design he
con igu a ion o he senso y ings p ope ly, so ha he
inal e alua ion will be as simple as possible.
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4.1. Op ion A: Con igu a ion and
Calib a ion
This op ion includes 4 senso y ings o placemen on all
4 sides o he c ys allize in he same le el. Fo easons o
easie manipula ion, he senso y ings we e p oduced
om he mul imode op ical ibe wi h a igh seconda y
p o ec ion (ou e diame e 900 µm), he inne diame e o
he ing was 4 cm and he leng h o he op ical ibe in he
ing was 4 m. The leng h o he ibe be ween adjoining
ings was only necessa ily long o hei connec ion. The
con igu a ion c ea ed in his manne was calib a ed in he
wa e ba h Memme a he empe a u e o 40 °C, Fig. 17.
Fig. 17: The calib a ion o he senso y ings in op ion A in he wa e
ba h Memme . The empe a u e o he wa e ba h was 40 °C.
Fo easons o oo sho dis ance in be ween he
ings he calib a ion was pe o med a i s wi h he
omission o he senso y ings n.1 and n.3. Then o
e i ying o he co ec ness o he se ings was he
calib a ion pe o med wi h he omission o he senso y
ings n.2 and n.4. The esul s o he calib a ion a e shown
in Fig. 18. The de ia ions we e balanced by empe a u e
o se T e .
Fig. 18: The esul s o he calib a ion and i s e i ica ion o he
con igu a ion o senso y ings in op ion A.
4.2. Op ion B: Con igu a ion and
Calib a ion
This op ion also includes 4 senso y ings o placemen
on all 4 sides o he c ys allize in he same le el. Fo
easons o easie handling we e senso y ings c ea ed also
om o he mul imode op ical ibe wi h igh seconda y
p o ec ion (ou e diame e 900 µm), he inne ing
diame e was 4 cm, as in he p e ious case, and he leng h
o he op ical ibe 4 m also emains he same as in op ion
A.
Fo be e e alua ing was decided o se he leng h
o he op ical ibe be ween adjoining senso y ings on
4 m in case o his op ion. This con igu a ion enables o
pe o m he calib a ion in he wa e ba h Memme a
once ( he empe a u e o wa e was se again a he le el
o 40 °C). The calib a ion esul is shown in Fig. 19.
Fig. 19: The esul s o he calib a ion o he con igu a ion o senso y
ings in op ion B.
The calib a ion esul p esen ed in Fig. 19 shown ha he
measu ed empe a u e alues we e abou 38 °C. This
de ia ion was balanced by empe a u e o se T e as well.
4.3. Expe imen al Ve i ica ion o he
Implemen a ion o Senso y Rings on
he C ys allize Model
Fo expe imen al e i ica ion we e bo h con igu a ion
op ions o he senso y ings placed on he model o he
c ys allize by special epoxy adhesi e ashioned o high
empe a u es (Loc i e 9492, ope a ing empe a u e om -
55 °C o 180 °C). The loca ion o senso y ings on he
c ys allize was chosen so ha on each side o he
c ys allize we e placed bo h con igu a ion op ions o
senso y ings a one le el (Fig. 20).
Fig. 20: Expe imen al e i ica ion o he implemen a ion o he senso y
ings on he c ys allize model.
A he bo om pa o he c ys allize model was
OPTICS AND OPTOELECTRONICS VOLUME: 10 | NUMBER: 2 | 2012 | JUNE
© 2012 ADVANCES IN ELECTRICAL AND ELECTRONIC ENGINEERING 113
placed a ke le wi h wa e ha was hea ed by ho pla e. In
o de o ensu e a measu able inc easing o empe a u e on
he su ace o he c ys allize model was he uppe pa o
he model co e ed wi h a me al pla e. Fo easons o
empe a u e con ol was unde he me al pla e placed a
senso o a digi al he mome e NTC (Tes o 720), see in
Fig. 21.
Fig. 21: The c ys allize model wi h co e ed uppe pa and NTC
senso o digi al he mome e TESTO 720.
The measu emen esul s a e shown in Fig. 22
(op ion A) and in Fig. 23 (op ion B). The ini ial
condi ions a e di e en in ambien empe a u e, which
inc eased o abou 2 °C in case o he i s measu emen
o op ion B.
Fig. 22: Op ion A.
Fig. 23: Op ion B.
5. Conclusion
Expe imen al measu emen s p esen ed in his a icle we e
supposed o e i y he applicabili y o op ical meande s
in he spo mode (senso y ings) o measu emen o he
c ys allize empe a u e p o ile. The esul s showed ha
he bes con igu a ion wi h imp o ed measu emen
p ecision was he con igu a ion wi h wo senso y ings a
he same le el on all 4 sides o he c ys allize . The ibe s
be ween wo adjoining ings should ha e he leng h
necessa ily needed only o hei connec ion. Ideal
senso y ma e ial is a mul imode op ical ibe wi h
p ima y p o ec ion. The easons a e in all espec s smalle
dimensions (inne diame e , heigh and wid h o he ing).
Fo implemen a ion in eal condi ions a e unde
conside a ion milled slo s in o he ou e shell o he
c ys allize . A e embedding o milled slo s by he help
o high empe a u e adhesi e a con inuous su ace will
a ise o be e hea dissipa ion by lowing wa e . Fig. 2
shows ha he empe a u e in he milled slo s should no
inc ease d ama ically, so he op ical ibe will be ou o
damage dange he e [2].
Acknowledgemen s
This a icle was suppo ed by p ojec GACR (Czech
Science Founda ion) GAP108/11/1057 - Syn hesis,
s uc u e and p ope ies o nanocomposi es conduc ing
polyme /phyllosilica e. This wo k was suppo ed also by
he Minis y o Educa ion o he Czech Republic wi hin
he p ojec no. SP2012/165 o he VSB-Technical
Uni e si y o Os a a. The esea ch has been pa ially
suppo ed by he Minis y o Educa ion, You h and Spo s
o he Czech Republic h ough g an
CZ.1.07/2.3.00/20.0013.
Re e ences
[1] KAVICKA, F an isek, Ka el STRANSKY, Bohumil
SEKANINA, Jana DOBROVSKA and Jose STETINA.
Cooling o a massi e cas ing o duc ile cas -i on and i s
nume ical op imiza ion. In: Ame ican Socie y o Mechanical
Enginee s, P essu e Vessels and Piping Di ision (Publica ion)
PVP. 2010, ol. 4, pp. 617-625. ISBN 978-079184367-3.
[2] STETINA, Jose . Dynamicky model eplo niho pole plynule
odle ane b amy. B no, 2007. A ailable a :
h p://o p. me. u b .cz/use s/s e ina/dise ace/index.h m.
Disse a ion. VUT B no. Supe iso F an isek Ka icka.
[3] DELHALLE, A., Michel LARRECQ, Jacques PETEGNIEF
and Jean Paul RADOT. Con ol o he i s shell o ma ion
du ing con inuous cas ing o s eel. Re ue de Me allu gie.
Cahie s D'In o ma ions Techniques. 1989, ol. 86, iss. 6, pp.
483-489. ISSN 0035-1563.
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[4] KOUDELKA, P., B. PETRUJOVA, J. LATAL, F. HANACEK,
P. SISKA, J. SKAPA and V. VASINEK. Op ical ibe
dis ibu ed sensing sys em applied in cemen conc e e
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[5] RODERS, Alan. Dis ibu ed op ical- ib e sensing.
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[6] SKAPA, J., J. LATAL, M. PENHAKER, P. KOUDELKA, F.
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Abou Au ho s
Pe KOUDELKA was bo n in 1984 in P os ejo , Czech
Republic. In 2006 ecei ed Bachelo ’s deg ee on VSB-
Technical Uni e si y o Os a a, Facul y o Elec ical
Enginee ing and Compu e Science, Depa men o
elecommunica ions. Two yea s la e he ecei ed on he
same wo kplace his Mas e ’s deg ee in he ield o
Op oelec onics. He is cu en ly Ph.D. s uden , and he
wo ks in he ield o wi eless op ical communica ions and
ibe op ic dis ibu ed sys ems.
And ej LINER was bo n in 1987 in Zla e Mo a ce. In
2009 ecei ed Bachelo ’s deg ee on Uni e si y o Zilina,
Facul y o Elec ical Enginee ing, Depa men o
Telecommunica ions and Mul imedia. Two yea s la e he
ecei ed on he same wo kplace his Mas e ’s deg ee in
he ield o Telecommunica ions and Radio
Communica ions Enginee ing. He is cu en ly Ph.D.
s uden , and he wo ks in he ield o wi eless op ical
communica ions and ibe op ic dis ibu ed sys ems.
Ma in PAPES was bo n in 1987 in No e Zamky. In
2009 ecei ed Bachelo ’s deg ee on Uni e si y o Zilina,
Facul y o Elec ical Enginee ing, Depa men o
Telecommunica ions and Mul imedia. Two yea s la e he
ecei ed on he same wo kplace his Mas e ’s deg ee in
he ield o Telecommunica ions and Radio
Communica ions Enginee ing. He is cu en ly Ph.D.
s uden , and he wo ks in he ield o wi eless op ical
communica ions and ibe op ic dis ibu ed sys ems.
Jan LATAL was bo n in P os ejo . He ecei ed his
B.Sc. Deg ee om he VSB-Technical Uni e si y o
Os a a, Facul y o Elec ical Enginee ing and Compu e
Science, Dep . o Elec onic and Telecommunica ions in
2006. He ecei ed his M.Sc. Deg ee om he Technical
Uni e si y o Os a a, Facul y o Elec ical Enginee ing
and Compu e Science, Dep . o Telecommunica ions in
2008. Cu en ly in doc o deg ee s udies, he ocuses on
op ical echnologies (xPON) and especially on ee space
op ics and Dis ibu ed Tempe a u e Sensing sys ems e c.
He is a membe o SPIE and IEEE.
Vladimi VASINEK was bo n in Os a a. In 1980 - he
g adua ed a he Science Facul y o he Palacky
Uni e si y, b anch - Physics wi h specializa ion in
Op oelec onics, RND . he ob ained a he Science
Facul y o he Palacky Uni e si y a b anch Applied
Elec onics, scien i ic deg ee Ph.D. he ob ained in he
yea 1989 a b anch Quan um Elec onics and Op ics, he
became an associa e p o esso in 1994 a b anch Applied
Physics, he is a p o esso o Elec onics and
Communica ion Science since 2007 and he wo ks a his
b anch a he Depa men o Telecommunica ions o he
Facul y o Elec ical Enginee ing and Compu e Science.
His esea ch wo k is dedica ed o op ical
communica ions, op ical ibe s, op oelec onics, op ical
measu emen s, op ical ne wo ks p ojec ing, ibe op ic
senso s, MW access ne wo ks. He is a membe o many
socie ies - OSA, SPIE, EOS, Czech Pho onics Socie y, he
is a chai man o Ph.D. boa d a he VSB-Technical
Uni e si y o Os a a, and he was a membe o many
boa ds o habili a ion and p o esso appoin men .
Pe SISKA was bo n in 1979 in K ome iz. In 2005 he
inished M.Sc s udy a VSB-Technical Uni e si y o
Os a a, Facul y o Elec ical Enginee ing and Compu e
Science, Dep . o Elec onic and Telecommunica ions.
Th ee yea s la e , he inished Ph.D s udy in
Telecommunica ion echnologies. Cu en ly he is
employee o Depa men o Telecommunica ions. He is
in e es ed in Op ical communica ions, Fibe op ic senso s
and Dis ibu ed Tempe a u e Sensing sys ems.