Testing and Energy Efficiency

Subject description

– basics of thermodynamics,

– heat transfer (conduction, convection, radiation) and heat balance,

– heat transfer through walls (plan parallel, cylindrical),

– calculation of power and efficiency of heating devices,

– heating and cooling curve,

– temperature and temperature scales (realization and dissemination),

– thermometers (resistance, thermocouples, liquid-in-glass, radiation, thermal imagers),

– calibration of thermometers and uncertainty budget in calibration,

– humidity (terms, types of hygrometers, calibration and uncertainty)

energy (renewable resources, non-renewable resources)
– energy efficiency of buildings (location and architecture, insulation, building furniture, heating systems, lighting, heat pumps, regulation of heating, solar systems, ventilation and recuperation, airtightness)
– energy certificate (calculation, measurement)
– energy rehabilitation of buildings

The subject is taught in programs

Objectives and competences

The course introduces specific knowledge in the field of testing of heat devices, with an emphasis on energy efficiency and procedures related to energy saving.
The aim of the course is to acquaint students with the basics of thermodynamics, stationary heat transfer, heat transfer modes (translation, convection, radiation), basics of thermometry and hygrometry, and calibration of thermometers and humidity meters. The following is the introduction of energy sources, the basics of the energy efficiency of buildings by individual units, and the calculation of the energy certificate and the planning of energy rehabilitation of buildings.
Students will learn about the most advanced technologies and instrumentation, both for measuring and testing in the described field, as well as for designing appropriate solutions.

Teaching and learning methods

Lectures, laboratory exercises, home learning

Expected study results

After successful completion of the course students should be able to:

Distinguish, analyze and evaluate various examples of heat transfer through straight and cylindrical walls
Distinguish thermometers and hygrometers and develop appropriate measurement systems for measuring temperature and humidity in various applications
master the calibration of thermometers and hygrometers with calculation of corrections and evaluate the measurement uncertainty
Based on the analysis of the parameters of the building calculate the energy balance (cerfificate) and evaluate the proposed measures for energy rehabilitation

Basic sources and literature

PUŠNIK, Igor. Preskušanje in energetska učinkovitost. Ljubljana: Fakulteta za elektrotehniko, Laboratorij za metrologijo in kakovost, 2016. 2 zv. (160 str.; 190 str.), ilustr. [COBISS.SI-ID 11821908]

PUŠNIK, Igor. Preskušanje in energetska učinkovitost : laboratorijski praktikum. Ljubljana: Fakulteta za elektrotehniko, Laboratorij za metrologijo in kakovost, 2016. 68 str., ilustr. [COBISS.SI-ID 11822164]

D.R. Pitts, L.E Sissom, Heat transfer, McGraw-Hill, New York, 1977

J.V. Nicholas, D.R. White, Traceable temperatures, John Wiley&Sons, New York, 1994

D.P. DeWitt, G.D. Nutter, Theory and practice of radiation thermometry, John Wiley&Sons, New York, 1988

W. Feist, Passive house planning package, PHI technical information, Darmstadt 2013