
Introduction

SEMINAR TOPICS - Focus on Energy Consumption & Savings
- Furnace design, forehearth & regenerator simulation – application of modeling
- Use of models in furnace operation and related advanced model based predictive control
- Glass quality and yield improvement
- CO2 reduction strategies – such as oxy-gas, hybrid electric, all electric and hydrogen
- Industry 4.0 and hot end – neural networks A.I. and NIR furnace imaging
- Waste heat recovery and increase of cullet recycling
Preliminary Seminar Program
Tuesday, June 17, 2025 | |
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12.00 - 21.00 | Seminar Registration |
13.00 - 16.00 | 13th GFM USERS' MEETING (for users of GS GFM Software, based on invitation) |
14.00 - 18.00 | GLASS DEFECTS WORKSHOP (more details) |
16.30 - 18.00 | MEETING OF ICG TC15/21 - GLASS FURNACE DESIGN & OPERATION |
19.30 - 23.00 | Meet & Greet Party (dress code: smart casual) |
Wednesday, June 18, 2025 | |
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08.30 - 14.00 | Seminar Registration |
09.00 - 09.15 | WELCOME SPEECH |
09.15 - 12.45 | TECHNICAL SESSION 1 |
12.45 - 13.00 | Group Photo 2025 |
13.00 - 14.30 | Lunch |
14.30 - 18.00 | TECHNICAL SESSION 2 |
19.30 - 23.00 | Reception - Welcoming Ceremony - GS Modeling Award 2025 (dress code: business casual) |
Thursday, June 19, 2025 | |
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09.00 - 13.00 | TECHNICAL SESSION 3 |
13.00 - 14.30 | Lunch |
14.30 - 18.00 | TECHNICAL SESSION 4 |
19.30 - 24.00 | Farewell Party with Live Music & Dancing (dress code: smart casual) |
A detailed program will be distributed upon registration.
Program & Organizing Committee
Mr. Erik Muijsenberg
Mr. Josef Chmelař
GLASS SERVICE, a.s.
T: +420 571 498 511
seminar@gsl.cz
All correspondence and inquiries concerning the Seminar should be addressed to:
Ms. Jana Chovancová (Chovi)
Ms. Jana Chovancová (Kovi)
GLASS SERVICE, a.s.
Rokytnice 60
755 01 Vsetín
Czech Republic
T: +420 571 498 511
seminar@gsl.cz
Registration Information & Fee
Early Fees if registered on or before May 12, 2025 | Late Fees if registered after May 12, 2025 |
|
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SEMINAR FEE | 600 EUR | 700 EUR |
SPOUSE/COMPANION FEE | 380 EUR | 430 EUR |
GLASS DEFECTS WORKSHOP FEE | 150 EUR | 150 EUR |
The seminar fee includes:
Admittance to technical sessions, social events, refreshments during session breaks, 2 lunches
The spouse/companion fee includes:
Social events, 2 lunches
The glass defects workshop fee includes:
Admittance to technical training, refreshment during the session break
Registration fees do not include hotel accommodations.
Cancellation before May 12, 2025 will be charged 100 EUR for processing refunds.
No payments are refunded after this date.
Registration
Registration opens in April 2025.
Seminar Venue
Wellness Hotel Horal***+
Velké Karlovice – Léskové 583
765 06 Velké Karlovice
Czech Republic
T: +420 571 495 500
GPS:
N 49° 22′ 36”
E 18° 23′ 33”

Travel Information
By plane
The recommended airports are:
Prague, CZ (PRG) – 400 km from Hotel Horal
Vienna, AT (VIE) – 270 km from Hotel Horal
Krakow, PL (KRK) – 230 km from Hotel Horal
Katowice, PL (KTW) – 180 km from Hotel Horal
Car rental is available at all airports.
By train
Ostrava Railway Station, CZ – SHUTTLE BUS AVAILABLE
Ostrava railway station is 70 km from Hotel Horal. There are several direct train connections from Prague, Vienna or Katowice to Ostrava.
A shuttle bus service will be organized. The transport fee is 190 EUR for a round trip.
If planning to use the shuttle bus service, please indicate it in the Registration.
Vsetín Railway Station, CZ – SHUTTLE BUS AVAILABLE
Vsetín railway station is 40 km from Hotel Horal. There are several direct train connections from Prague to Vsetín.
A shuttle bus service will be organized. The transport fee is 100 EUR for a round trip.
If planning to use the shuttle bus service, please indicate it in the Registration.
By car
Wellness Hotel Horal is located approx. 8 km from the crossroads to Soláň (at the beginning of the village of Velké Karlovice).
See Information map below.
Information Map

Accommodation
Special rates have been obtained at two hotels located in Velké Karlovice:
Wellness Hotel Horal***+
Spa Hotel Lanterna****
Rates per night:
3500 CZK/room • Single occupancy
5000 CZK/room • Double occupancy
Both hotels are of high quality and include wellness facilities. Hotel Horal also offers thermal swimming pool, sport center, and 9-hole golf course.
Free shuttle service will be available between hotels.
Please indicate your hotel preference, as well as check-in and check-out dates in the Registration.
Rooms will be allocated on a ‘first come, first served’ basis. Both hotels accept payment cards.
Each attendee will receive hotel confirmation by the organizer when seminar registration is confirmed.
Notice to Contributors
LECTURES & POSTERS
Contributors will include invited lectures, regular lectures and posters.
Contributors are asked to submit abstracts (approx. 200 words) by February 28, 2025 via email to seminar@gsl.cz.
Notification of acceptance of papers or posters will be sent by e-mail.
Oral presentations will be limited to 20 minutes, followed by 5 minutes for discussion.
Posters will be presented in a separate session.
Authors are required to bring their presentation on a USB flash drive to the Seminar.
A PC and a digital projector will be available.
All contributions (in PDF format) will be published on the Seminar website.
Please send them to seminar@gsl.cz until June 30, 2025.
LANGUAGE
English is the official language of the Seminar.
Presentations
Presentations will be available after the Seminar.
Documents to Download
![]() | Leaflet - 17th International Seminar 2025.pdf | Download |
![]() | Leaflet - Glass Defects Workshop.pdf | Download |