Storage of thermal energy by crystallization of Sodium Acetate. Temperature before crystallization: 21 ° CAfter: more than 50 ° C. To find out more: - Use sodium acetate as a thermal buffer - Storing solar thermal energy with palm oil or other phase-change materials - Phase change solar balloon
Table of hygroscopic balance timber (heating or construction)
/> Burning quality and very dry wood is a necessary condition for good combustion and good performance of your wood heater.
- How much dry firewood?
- What% of residual moisture following the storage temperature?
- What% of residual moisture [...]
The decree of the RT2012 was published at the end of October 2010. The RT2012 will replace RT2005 as follows: a) all building permits filed more than one year after the date of publication of the decree - either from 28 October 2011 - for new office or teaching buildings , [...]
2012 Thermal Regulation (RT2012). Full text published in the Official Journal October 27 2010. .pdf of 42 pages. Learn more: The RT2012 on forums Download the official text of the RT2005 Download the file (a subscription to the Newsletter may be required): RT2012, full text of the Official Journal
SMD LED bulbs, recently arrived on the market (at least at "democratic" prices), show that LED lighting technology is (finally) maturing in terms of lighting quality. Indeed; this SMD GU10 60 Leds bulb from 3W can actually compete with a GU10 halogen bulb: the lighting is [...]