Laboratory of Heat-Equipment Research and Testing (12)

Scope | R&D Tools | Accredited Services | Certificates | Membership | Partners

Scope of research

Processes and technologies for the efficient use of R.E.S. and reduction of environmental pollution

• physical and thermal properties of solid biomass and recovered fuel;
• fuel preparation methods and technologies;
• thermal conversion processes (combustion, gasification) of solid fuel;
• solid biofuel drying;
• solid biofuel dynamics and thermal conversion on moving grate and in fluidized bed;
• emission formation processes in heating appliances;
• efficiency of low capacity boilers and heating appliances fired by solid fuel.

Thermal physics, fluid mechanics and metrology

• flows mixing in chambers of limited dimensions and various geometry;
• permeability of gas mixtures through membranes;
• particulate emission reduction;
• flow dynamics in elastic channels;
• ultrasound propagation in flows;
• heat and mass transfer by molecular dynamics;
• maintenance of five national flow and pressure standards and assurance of measurement traceability

Tools and capabilities for scientific R&D

Set of modern experimental facilities and measuring instruments for investigation of:

• efficiency of small (up to 500 kW) space heating appliances fired by solid biofuel;
• reducing gaseous and particulate matter emission by implementation of precipitation devices;
• composition of biomass and various solid fuels as well as their physico-chemical properties;
• liquid and gas flow dynamics in channels and chambers at the various inlet and boundary conditions, flow regime and its instability, physical properties variation;
• inner flow structure of separated flow or flow in cavities situated in microchannel walls by using particle image velocimetry methods and macro/microPIV systems for flow visualization;
• permeability of membranes and its use for separation of disadvantageous components from gas mixture.

CFD aplication for numerical simulation of:

• flow dynamics analysis using software package ANSYS® Fluent®;
• mixing of combustibles species and oxygen to enhance combustion process in furnace;
• multi-physics numerical investigation using software package COMSOL Multiphysics®;
• Coupled CFD-Discrete Element Method numerical research using homemade software package Bed_Motion, software package XDEM and Open Source package OpenFOAM®.
• Molecular Dynamics investigations using software package LAMMPS®.

Our expertise for implementation of innovative projects and services

• assurance of traceability of liquid, gas and heat supply and consumption measurement on national and international levels;
• conformity assessment of measuring instruments and heat appliances before placing on the market or entry into service, or being in service;
• fluid dynamics under the influence of flow disturbances and flow regimes;
• numerical analysis and numerical methods applied in multi-physics problems;
• particles system (granular mater) dynamics;
• molecular dynamics in heat and mass transfer problems.

Accredited & notified services

Scope as Designated institute (DI) for maintenance of national standards for:^[1]:
◦ air (gas) speed;
◦ air (gas) volume and flow rate;
◦ water volume and flow rate;
◦ liquid (other than water) volume and flow rate;
◦ pressure.

Accredited against LST EN ISO/IEC 17025 for:^[2]:
◦ calibration of measuring instrument for gas and liquid volume and flow rate, pressure, temperature and air humidity;
◦ testing water and heat meters, heating appliances, solid biofuel and recovered fuel.

Accredited against EN ISO/IEC 17020 for^[3]:
◦ verification of measuring instrument for gas and liquid volume and flow rate, pressure, temperature and air humidity;
◦ conformity assessment of heating appliances and boilers fired by solid and gaseous fuels.

Notified (Id. No. 1621) for conformity assessment of:^[4]:
◦ water and heat meters (B, F and D modules) and measuring systems of liquids (other than water) (F module) against European Parliament and Council Directive 2014/32/EU;
◦ room heating appliances fired by solid fuel against European Parliament and Council Regulation (EU) No. 305/2011.

[1] Note. Measurand range and calibration and measurement capabilities are available on BIPM website: http://www.bipm.org/kcdb
[2], [3] Note. Scope of accreditation is available on Lithuanian National Accreditation Bureau (LA) website: http://www.nab.lrv.lt
[4] Note. Scope of notification is available on NANDO website: http://ec.europa.eu/growth/tools-databases/nando/

Membership in international organizations

EURAMET – European Association of National Metrology Institutes
COOMET – Euro-Asian Cooperation of National Metrological Institutions
NoBoMet – European Platform of Notified working in Legal Metrology

Laboratory partners and customers

Customers – all economic and research entities, the activities of which require accredited (or additionally notified) calibration, testing and conformity assessment services defined under legal acts.

Partners – Research institutions:

Lithuanian University of Health Sciences;
Kaunas University of Technology;
Center for Physical Sciences and Technology;
Nicolaus Copernicus University;
University of Luxembourg;
University of Twente;
The Szewalski Institute of Fluid-Flow Machinery Polish Academy of Sciences.

Partners – Companies: