Project Image Pool

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Terms of use: The pictures on this site originate from the projects in the frame of the programmes City of Tomorrow, Building of Tomorrow and the IEA Research Cooperation. They may be used credited for non-commercial purposes under the Creative Commons License Attribution-NonCommercial (CC BY-NC).

nZEB office building Post am Rochus

The building owner’s goal was to design, build and use a modern, comfortable building. The building development process aimed to have very high standards of sustainability and energy efficiency in achieving, commissioning and operation. Therefore, the construction project was supported by research experts from the Austrian Institute of Technology (AIT). The overall objective of the research project was to shorten the commissioning phase by detailed investigation and optimisation of the control strategies of the building services engineering. Through the application of integral planning, construction/operating companies were brought together with experts. The results were clearly documented and control strategies were hardware tested in advance so that malfunctions could be detected, avoided and eliminated.

Process scheme for integrated Energy Master Planning that leads to a Resilient Energy System

How can we achieve resilient energy supply for buildings with critical infrastructure, based on renewable sources? Let us start with analysing the critical functions, assess the resilience, efficiency and sustainability of existing systems and add innovative and validated renewable energy sources as well as storage elements. This diagram shows you how to proceed.

Measurements setup in test dwelling

The pictures shows the measurement setup in an unoccupied dwelling in the fieldstudy object "An der Lan" from the Innsbrucker Immobilien Gesellschaft.

Data soures

Schematic drawing of the usable parameters from different possible data sources.

Model scheme

Scheme of a resistor-capacitance model (RC model) which can describe the heatflows of a building in a simplified manner.

Aerial view case study Gleisdorf

Aerial view case study Gleisdorf

Co-Citation analysis in Gephi

Screenshot of the co-citation network of cited papers, including authors.

Classification scheme for building stock energy models

The classification scheme establishes a flexible framework for high-level model classification that: (a) builds from existing classification frameworks while accounting for emerging simulation-based, data-driven, and hybrid modeling techniques; (b) recognizes the potential sub-layers of a building stock energy model; and (c) encourages the description of additional model dimensions that are not readily captured by a high-level classification.

Austrian examples for industrial heat pumps, distribution in industrial sectors

A total of 68 examples of industrial heat pumps in Austria were collected. Those systems are considered that are integrated into an industrial or commercial process on the heat source and/or sink side. The examples come from various sectors whose good suitability for heat pumps is already known, such as the food industry (17 examples), energy suppliers (11 examples) and the metal processing industry (11 examples).

Austrian examples for industrial heat pumps: heat sinks

Industrial heat pumps are most often used to heat buildings (33 examples) or to provide district heating (19 examples). Heat supply for processes occurs in 13 examples.

Austrian examples for industrial heat pumps: time of commissioning

Numerous industrial heat pumps were put into operation after 2012. This clearly shows that the spread of industrial heat pumps in Austria is increasing and that more information about these systems is also being published.

Outside air intake of the Passive House apartment complex Lodenareal

The photo shows the inner courtyard of the passive house residential complex in Innsbruck with the intake openings for the controlled residential ventilation

Indoor air pollutants in residential housing

This figure illustrates possible indoor air pollutant sources in residential buildings.

Example illustration of the Indoor Air Quality metric of Subtask 1

An example of Indoor Air Quality / Energy signature for low-energy residential buildings (data represented here are just for display and do not represent actual situation).

Particulate matter emissions during cooking

The figure shows the emitted particulate matter mass as a function of particle size for three different cooking processes.

Experimental setup for freezing in the AIT's climate chamber without tubing

MPEfin Heat exchangers mounted in the flow channel

Experimental setup for investigating the frosting performance of heat exchangers at low ambient temperatures

Measurement sequence: in the initial phase the thermal mass of the heat exchanger is accommodated to the tempering conditions (A to B1), and then the main frost growth takes place (B1 to B2). Afterwards, the rapid change of the heat exchanger thermal state (at air flow rate curve steepest gradient) takes place (B2), and frost creation continues until the heat exchanger is fully blocked and the temperatures do not change any more (C).

CTfin heat exchanger

Cross-sectional image of a laser-structured and coated steel surface

The image shows an FIB cross-section of a steel surface that has been structured using laser interference and then coated with a 2D material, in this case MXene as transition metal carbide Ti3C2. The individual MXene flakes deposited in the valleys of the laser structures are clearly recognisable.