Pakalka, S.; Valančius, K.; Čiuprinskas, K.; Pum, D.; Hinteregger, M. (2017). Analysis of possibilities to use phase change materials in heat exchangers-accumulators. In 10th International conference „Environmental Engineering“. Vilnius Gediminas Technical University.
Energy storage
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
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
Department manager: Saulius Pakalka
E-mail: s.pakalka@protechnology.lt
Publications
Pakalka, S., Valančius, K., & Damonskis, M. (2020). Effect of open and closed operation modes on the performance of phase change material based copper heat exchanger. In 11th International conference „Environmental Engineering“ 21-22 May 2020, Vilnius Gediminas Technical University, Lithuania (pp. 1–7). Vilnius: VGTU Press.
J. Doneliene, V. Ulbikaite, E. Urboniene, S. Pakalka, J. Ulbikas. Structural characterization of TiO2 aerogel vs precursor type and gel aging // 18th international conference on nanosciences & nanotechnologies: 5-8 July 2021, Thessaloniki, Greece: book of abstracts. Thessaloniki : [s.n.]. 2021, p. 176. [M.kr.: T 008]
Donėlienė, Jolanta; Ulbikas, Juras; Fataraitė-Urbonienė, Eglė. 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. [M.kr.: T 008]
Presentations at Conferences
Pakalka, S.; Donelienė, 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.
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. DOI: 10.3390/gels8070422
Donėliene, J.; Fataraite-Urboniene, 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
Projects
BIO insulation materials for Enhancing the Energy performance of Buildings (BIO4EEB)
Call for proposals: HORIZON-CL4-2022-RESILIENCE-01 Topic: HORIZON-CL4-2022-RESILIENCE-01-16 Type of action: HORIZON Innovation…
EFFIHEAT-DEMO
EFFIHEAT-DEMO – Development of high EFFiciency Stirling HEAT pump http://effiheat.eu The…
EFFIHEAT
EFFIHEAT – Development of high EFFiciency Stirling HEAT pump http://www.effiheat.eu/…
Infrastructure & Services
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