The Air Infiltration and Ventilation Centre and TightVent Europe are organizing the webinar "Inspection of ventilation systems in new regulations in European countries" to be held on November 30th, 2021 at 10:30-12:00 CET. The objective of this webinar is to present new regulation requirements in Ireland, Germany and France.
The 12th International BUILDAIR Symposium will take place on June 25 and 26, 2021 – as a bilingual online conference, in view of the corona situation. The meeting again offers an ambitious programme.
Submitted by Maria.Kapsalaki on Mon, 04/05/2021 - 15:54
The 12th International BUILDAIR Symposium will take place on June 25 and 26, 2021 – as a bilingual online conference, in view of the corona situation. The meeting again offers an ambitious programme. Among other things, the presentations will deal with measuring techniques, gluing and sealing difficult details, minimizing the air permeability of materials, quality assurance for very technology-intensive objects and measuring technology for very tall buildings.
Submitted by Maria.Kapsalaki on Thu, 02/06/2020 - 14:43
Indoor pollutants and particles pose a threat to human health as people spend 90% of their time in indoor spaces. A proper ventilation system should be able to remove indoor air pollutants, reduce particle depositions, at the lowest energy consumption by that system. In this work, particle concentrations and depositions are presented for two ventilation configurations (1) Displacement Ventilation (DV) and (2) the conventional ceiling supply and return.
Submitted by Maria.Kapsalaki on Wed, 01/29/2020 - 13:02
This overview focuses on model based control strategies for ventilation in nearly zero energy buildings (nZEB) where slower reactions towards disturbances are expected as a result of high insulation and air tightness of the building envelope (Killian and Kozek 2016). Furthermore, internal heat gains have a higher impact in these kind of buildings. In addition, occupancy pattern can be variable (e.g. in office- and school buildings) and HVAC control is consequently more challenging.
Submitted by Maria.Kapsalaki on Wed, 04/17/2019 - 11:44
This study evaluated the emission characteristics of ultrafine particles emitted during material extrusion type 3D printer, called Desktop 3D printer, operation in the test bed and mock-up environmental conditions respectively. For the measurement, a condensation particle counter (CPC) and scanning mobility particle sizer (SMPS) were employed. In the test-bed evaluation, representative materials widely used nowadays such as ABS, PLA, TPU, PC, etc, emitted higher than the UFP criteria (3.5 ×1011) of 2D printer test method RAL-UZ 171.
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