Pakalka, S.; Donėlienė, J.; Rudzikas, M.; Valančius, K.; Streckienė, G. Development and experimental investigation of full-scale phase change material thermal energy storage prototype for domestic hot water, J. Energy Storage. (2024).
https://doi.org/10.1016/j.est.2023.110283
We create great technology
Research and development of innovative energy storage technologies
Numerical modeling of the heat transfer process
Experimental research of the heat transfer process
Synthesis and characterization of new materials
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Department of
Energy Storage
Research and development of innovative energy storage technologies;
Numerical modeling of the heat transfer process;
Experimental research of the heat transfer process;
Synthesis and characterization of new materials.
Contact person: Dr. Saulius Pakalka
E-mail: s.pakalka@protechnology.lt
Publications
Donėlienė, J.; Fataraitė-Urbonienė, E.; Danchova, N.; Gutzov, S.; Ulbikas, J. The influence of the precursor’s nature and drying conditions on the structure, morphology, and thermal properties of TiO2 aerogels // Gels, MDPI, 2022, vol. 8, , iss. 7, art. no. 422, p. 1-16. https://doi.org/10.3390/gels8070422
Donėlienė, J.; Fataraitė-Urbonienė, E.; Rudzikas, M.; Pakalka, S.; Danchova, N.; Ulbikas, J. Effect of precursor nature and sol-gel synthesis conditions on TiO2 aerogel’s structure, Molecules. 26 (2021). https://doi.org/10.3390/molecules26165090.
Pakalka, S., Valančius, K.. Experimental investigation and prediction of charging/discharging performance of phase change material based thermal energy storage unit. Environmental and Climate Technologies, (2021)25(1), 600–609. https://doi.org/10.2478/rtuect-2021-0044
Presentations at Conferences
Donėlienė, J.; Fataraitė-Urbonienė, E.; Ulbikas, J. Thermal stability of subcritical dried TiO2 aerogels prepared by sol-gel synthesis // 20th international conference on nanosciences & technologies, 4-7 July 2023, Thessaloniki, Greece: book of abstracts. Thessaloniki : [s.n.]. 2023, p. 117.
Donėlienė, J.; Fataraitė-Urbonienė, E.; Ulbikas, J.. Influence of synthesis and ambient drying conditions on the porosity of TiO2 aerogel // Advanced materials and technologies: book of abstracts of 24th international conference-school, 22-26 August 2022, Palanga, Lithuania. Kaunas : Kaunas University of Technology. ISSN 2669-1930. 2022, B-P112, p. 152.
Donėlienė, Jolanta; Fataraitė-Urbonienė, Eglė; Ulbikas, Juras. Influence of synthesis and ambient drying conditions on the porosity of TiO2 aerogel // 19th international conference on nanosciences & nanotechnologies: 5-8 July 2022, Thessaloniki, Greece: book of abstracts. Thessaloniki : [s.n.]. 2022, p. 144. [M.kr.: T 008]
Donėlienė, J.; Ulbikas, J.; Fataraitė-Urbonienė, E.. Influence of synthesis and subcritical drying conditions on the porosity of TiO2 aerogel // Advanced materials and technologies: book of abstracts of 23rd international conference-school, 23-27 August 2021, Palanga, Lithuania. Kaunas : Kaunas university of technology. ISSN 2669-1930. 2021, B-P166, p. 200.
Projects
BIO insulation materials for Enhancing the Energy performance of Buildings (BIO4EEB)
EFFIHEAT-DEMO
EFFIHEAT
Infrastructure & Services
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Description
Performance monitoring: temperature, pressure, mass flow rate, heat transfer rate, energy
Simulation of different thermal energy storage charging and discharging modes
Validation of analytical and numerical models
Technical specification
Coriolis mass flow rate meter, accuracy ±0.15%, maximum flow rate 1.81 kg/s
Temperature sensors PT100, class B, accuracy ± (0,3 + 0,005·t) °C
Pressure sensors for liquids and gases, maximum pressure 0-600 kPa, accuracy ±0.5%
Description
Phase change materials (PCMs) phase transitions and melting enthalpies determination
Technical specification
Temperature range: -180°C to 700°C
Heating rates: 0.001 K/min to 200 K/min