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 - Residential Building D12 – Aspern / Vienna / Austria

The residential building “D12” is a block of 7 buildings with 4-6 storeys each, commercial use on the ground-floor on 900 m². The conditioned gross floor area is about 19,080 m². The buildings’ heating and DHW system is basically based on different heat pump technologies. The overall energy delivering system is designed to support demand response with a multitude of different energy sources. The building blocks are in operation since March 2016.

Campus of the Johannes-Kepler university in Linz

A bird's eye view shows the potential of the university campus JKU. Many buildings from different construction ages can become much more efficient through thermal and electrical renovation. This also makes it easier to supply them with a local energy system based on renewable and combined heating and cooling, and to maintain critical functions even in difficult situations.

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.

Model scheme

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

Data soures

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

Aerial view case study Gleisdorf

Aerial view case study Gleisdorf

Co-Citation analysis in CiteSpace

The network characterises the development of research fronts and related topics. The network shows the 15 most relevant research topics by title and abstract.

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: 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.

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: heat sources

Different heat sources are used. The most common heat sources are processes that need to be cooled and waste heat streams, that still usable heat. In addition, waste heat from refrigerating machines and compressed air systems as well as flue gas condensation is used.

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).

Indoor air pollutants in residential housing

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

Particulate matter emissions during cooking

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

Schematic illustration of the active overflow principle

This figure shows an example of how the principle of active overflow can be implemented in a residential unit.

Lehm-Passivbürohaus Tattendorf

im Winter

Lehm-Passivbürohaus Tattendorf

innen, Eingangsbereich

Lehm-Passivbürohaus Tattendorf

1.Stock

MPEfin Heat exchangers mounted in the flow channel