(After)*
[“you can touch it again without getting burned”] such as the vehicles parked in the middle of summer in the Sun do not allow it…
Here an infrared photo of half of the treated roof (blue zone) VS the other half untreated (red/yellow zone)
- D5A2464D-2B4D-4633-81E3-B2A43391661E.jpeg (23.2 Kio) Consulté 546 fois
Note that this photo does not prove much, it depends on when and how the photo would have been taken (but let's admit...)
Super Therm® contains 4 types of ceramic.
The ceramic ingredients work like a "mirror of heat and light".
— 1 type of ceramic blocks the waves of solar radiation from the infrared spectrum.
— 1 type of ceramic called “hollow ceramic balls” works like a vacuum (composed of many miniature "heat-insulating" balls).
— 1 type of ceramic acts as a thermoreflector - having the ability to reflect thermal radiation by 95% (overall).
— the last type of ceramic has such a low density that heat cannot charge into the surface and therefore cannot be absorbed and transmitted/conducted
Any material absorbs part of the energy and returns the rest. Here we have a ceramic sandwich that only retains 5%. Coatings or ordinary building materials only reflect about 30% of thermal energy and absorb the rest. In addition, due to their high absorptivity, heat accumulates in them over time, causing a gradual increase in temperature.
The Super Therm® thermal reflective insulation coating reflects up to 95,9% of thermal radiation while blocking the passage of residual heat to the underlying material.
In addition, thanks to its low emissivity, its surface temperature does not increase and remains “cool” throughout the day.
Emissivity is examined in two ways:
1. Adsorptively and
2. Radiatively (in terms of intensity of heat repulsion from the surface)
The absorption emissivity (ability to absorb and retain thermal radiation) is given by a low emission rate.
Radiative emissivity (ability to dissipate thermal radiation) is indicated as a high emission rate.
Materials with a matte black surface have a high absorption emissivity, close to the upper limit of 1,0, and retain a large volume of radiation. On the other hand, bodies with shiny surfaces such as mirrors or burnished aluminum have low
emissivity around 0,08 and therefore retain practically no radiation within them. Super Therm® has an incredibly low absorption ratio of 0,05.
In detail, matte black surfaces have the highest emissivity values of 0,95.
Most building surfaces have high levels of emissivity around 0,90
A mirror polished surface has an emissivity value of 0,08
Super Therm® has an incredibly low emissivity value of 0,05, making it incapable of retaining any heat.
On the contrary, Super Therm® has a very high infrared radiative emissivity (more than 95%, or a value of 0,95), which means that it is extremely efficient in carrying away even the smallest amount of heat that it could. absorb.
The result is that even with insolation throughout the day and temperatures of 40 degrees, Super Therm® stays cool on its surface all day long. This unique property sets it apart from ordinary ceramic and reflective coatings.
Thermo-insulation
The ability to stop heat transmission
associated with thermoreflection, sour integrating a low emissivity of absorption combined with a high simultaneous radiative IR emissivity are the basis of the thermal insulation capacities of Super Therm Coating.
Indeed, the more the heat is reflected and repelled from the surface, the less the heat will be absorbed and not able to circulate towards what is below.
In addition, one of the special ceramics also prevents the flow of unreflected solar heat from penetrating to the lower surface.
If the initial HEAT LOAD is reduced, the amount of heat transferred inside the building by conduction or convection is also automatically reduced, thereby reducing the thickness of the insulating layers, which is also critical for standard glass wool or polystyrene insulation.
Standard insulation materials experience up to 100% of the initial thermal load from the heat source.
their thickness is determined by the amount of heat they can retain, and therefore delay HEAT TRANSFER into the building.
building. Super Therm® works primarily on the principle of dealing with the initial HEAT LOAD arriving at the surface, and therefore the thickness of the insulating layer is not crucial.
My doubt comes from the fact that it is not because we would judiciously stack a combination of different layers whose combined effects would multiply the effectiveness, that this would modify the laws of physics specific to each of the elements taken separately (ceramics) . Thus, I am willing to admit that the very first reflective layer may be thin (like a reflective survival blanket) but for the next layer that is supposed to break the conductivity, the calculation of the R0 seems to me to be rigorous according to the thickness, and I have some doubt about the ability of a few perlinpinpin molecular beads to do the job of 20cm of expanded polystyrene! And differentiate thermal radiation from késako infrared radiation? Finally, for the last layer, they would have a “secret boot” with a material even lighter than PU foam, I don't mind, but apart from something lighter than air, so the vacuum, I don't see …? And even the air gap of a few mm in a double window is not enough to stop transmissivity at 95%, it's a fable!
Because in the end, if the goal is just to put an aluminum film to return what could be, and a final matte black layer, that would make their gadget expensive, made of these elements not at all new (to see by implementing them properly but separately… if the optimum cannot be achieved conventionally with polystyrene of the right thickness…)
Where is the wolf?
Source:
https://www.americantemperaturecontrol. ... tions.html
