Showing posts from September, 2017

18.09.2017 - Horizion 2020 - Secure, Clean and Efficient Energy Notes

Horizon 2020 Work Programme 2016 - 2017  Secure, Clean and Efficient Energy Heating and cooling of building sector Around 85% of heating and cooling is produced from natural gas, coal, oil products and non-RES electricity. Only 15% is generated from renewable energy. This shows that the heating and cooling sector has a key role to play in ensuring the success of the EU's transition towards an energy efficient and decarbonised energy system and in achieving long term energy security. Engaging consumers towards sustainable energy Consumers need to be at the centre of the energy system( customer is always a person so customer is consumer ); they need to be informed, engaged and activated. ( blogs, easy design interface that everybody can use for their homes or working places.  For instance, how to decrease energy bill in your house ) The main challenges are (i) establishing cost-effectiveness, i.e. demonstrating that solutions allow a good return on investment th

07.09.2017 - How to create or modify EnergyPlus Weather Data (EPW)

How to modify a weather (EPW) file or create new ? Elements  is a free, open-source, cross-platform software tool for creating and editing custom weather files for building energy modeling. The goal of the project is to develop a comprehensive, integrated application suitable for handling all of the common tasks associated with weather files. link: How to modify a weather (EPW) file with other data? run the weather converter on the original file (Energyplus component) convert the file to "EnergyPlus CSV" (it exist in excel) open the EnergyPlus CSV file in your favorite spreadsheet program. (excel) make the mods, saving it as CSV from the spreadsheet program. run the weather converter again, this time selecting the CSV and make sure the File type is "EnergyPlus CSV" convert it to EPW. link :

06.09.2017 - Operative Temperature / Mean Radian Temperature

Figure.Thermometer Actual   thermal comfort   is dependent on environmental factors, such as   air temperature , air velocity,   relative humidity   and the uniformity of conditions, as well as personal factors such as clothing, metabolic heat, acclimatisation, state of health, expectations, and even access to food and drink. Operative temperature (air temperature + mean radiant temperature + air velocity) Operative temperature  is indictaion of  thermal comfort  comes  from   air temperature ,   mean radiant temperature   and air speed. It is helpful to define or predict  thermal comfort  for  occupants of a building. Basically,    thermal comfort  is related with   environmental elements, which are   air temperature , air velocity,   relative humidity   and the consolidation of conditions, also individual properties such as clothing, metabolic heat, acclimatisation, state of health.  In many spaces, with low air velocity and where   air temperature   and   mean radiant tem