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The National Observatory of Athens: Specialized Services and Its Operational Role

Event Details:

  • Date:       Thursday 10 May 2018
  • Time:      15:00 - 16:00
  • Venue:    The Cyprus Institute – Guy Ourisson Building, Seminar Room, 1st Floor, Athalassa Campus
  • Speaker: Prof. Manolis Plionis, Director & President of the BoD of the National Observatory of Athens, Greece.
* The colloquium will be in English, the event is open to the public, light refreshments will be served after the talk.

Abstract

National Observatory of AthensProf. Plionis will present a brief introduction of the structure of the National Observatory of Athens and of its main research activities. Special attention will be paid on the services provided to the Hellenic state and the public, which are related to the detection, monitoring and mitigation of the effects of Natural Disasters, using remote sensing, satellite technology but also an extended network of ground based infrastructures.

He will also present the range of educational activities that the Observatory is involved in, starting from the MSc program on Space Science, Technology & Applications and ending with extended public outreach activities.

 

About the Speaker

m plionis

MANOLIS PLIONIS is the Director and President of the BoD of the National Observatory of Athens, a Professor at the Physics Department of the Aristotelian University of Thessaloniki, a Visiting Professor at the Institute of Astrophysics, Optics & Electronics (INAOE) of Mexico and Vice-Chairman of the Board of the Science and Technology Museum NOESIS. He received a Mathematics degree from the University of Crete and a PhD in Observational Cosmology in 1989 from the University of Sussex in the UK, supervised by Professor John Barrow. He was a postdoctoral researcher at the SISSA International Research Center in Italy for about 5 years and at the ICTP International Center of Theoretical Physics for 1 year. He returned to Greece in 1995 as a Researcher at the National Observatory of Athens where he stayed until 2012.

He has published over 200 scientific articles and many popular science articles, while he has supervised many Doctoral, Master and undergraduate theses. He is a member of the International Astronomical Union, a founding member and for four terms (until 2010) elected member of the Governing Board of the Hellenic Astronomical Society. He is also a founding member and elected member of the Governing Board for one term (2010-2012) of the Hellenic Society for Gravity, Relativity and Cosmology. His research interests are related to Observational Cosmology, Large-Scale Structure of the Universe and Extragalactic Astrophysics.

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Additional Info

  • Date: Thursday 10 May 2018
  • Time: Starts 15:00
  • Speaker: Prof. Manolis Plionis
  • Co-organisers: Director & President of the BoD of the National Observatory of Athens
  1. August 2016
  2. September 2016
For the initial monitoring of the building the SUI CyI research team installed a weather station on the roof, placed sensors inside the building and performed a thermal comfort assessment survey.

1. Climate data monitoring

Exterior
A Vantage Pro2 weather station was placed on the building roof to collect data from the SUI area. Regularly updated information about the climatic conditions could be found on the station webpage: http://www.weatherlink.com/user/suitepakcy/. The weather station base was designed and installed by the CyI technical equipment development team.

Interior
Twelve (12) HOBO data-loggers were placed in the building, for collecting temperature, humidity and light data. The data are collected every 30 minutes and will be elaborated with the HOBOware software.

2. Thermal comfort assessment questionnaire

A survey on occupant comfort satisfaction with the indoor environment in summer was conducted. The questionnaire was based on templates proposed by the HSE (http://www.hse.gov.uk/temperature/index.htm). A third of the total employees were asked and complementary measurements were made using a Heat Stress WBGT (Wet Bulb Globe Temperature) Meter, both for the indoor and the outdoor climatic conditions at the time of the survey.

Images below, from left to right:
Left: The Vantage Pro2 weather station
Middle: HOBO data logger placed in the working place – 1st floor
Right: Completed questionnaire (first page) – Ground floor.

View the embedded image gallery online at:
https://www.cyi.ac.cy/index.php/sui-activities/sui-building-monitoring/the-national-observatory-of-athens-specialized-services-and-its-operational-role.html#sigProGalleria86fa08f526

1. Thermal imaging

Thermal images were taken using a T440 Flir thermal camera in order to find missing, damaged, or inadequate insulation, building envelope air leaks, moisture intrusion and other problems. Also, the main sources of radiant temperature were determined.

2. HOBO sensors data collection and analysis

The temperature, humidity, air movement and dew point data from the HOBO sensors were collected and analysed. The mean predicted vote (PMV) was calculated using the CBE Thermal Comfort Tool (http://comfort.cbe.berkeley.edu/EN). In all the spaces under monitoring the people are expected to be in thermal comfort, since all values are within the thermal comfort range of -0.7

Images below, from left to right:
Left: A thermal image from the mezzanine
Right: Graph. Thermal Comfort PMV

View the embedded image gallery online at:
https://www.cyi.ac.cy/index.php/sui-activities/sui-building-monitoring/the-national-observatory-of-athens-specialized-services-and-its-operational-role.html#sigProGalleria1b1c874984

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