Quote=SiliconWizard link=topic=172401.msg2236977#msg2236977 date=1551579173]
Looking at this company for instance:
https://www.theglobalgraphenegroup.com/thermal-paste
looks like the form of graphene as a paste is typically used as thermal paste. I can see how it has high thermal conductivity, but I'm not sure how it would act as an heating element at this point (but I must admit I haven't looked at Solus' claims extensively as the 95% off was already hilarious.)
Strange how the definition of one single atom layer of carbons suddenly is misused to turn it into a paste. While it for past 50 years been labeled as graphite paste. Perhaps sales goes up?! The Noble price in 2010 for graphene:
https://www.nobelprize.org/prizes/physics/2010/press-release/
Please join my kickstarter for μWave™ heater that will save you 80% of your wasteful Solus heater electricity usage. It will use 38 watts of microwave energy to directly heat the people in the room without wasting energy heating the surrounding air and walls. Sign up for the premium package and we will include aluminium foil wallpaper for your walls to stop the microwaves escaping. ;p
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Well, he seems like a real person: https://www.linkedin.com/in/maximinterbrick
Well, he seems like a real person: https://www.linkedin.com/in/maximinterbrick
No doubt of that. But don't you wonder what his real name might be, after the authorities catch up with him?
You want to save on heating? Let's use a little science. Supposing your room is spherical, the heater is in the center, the thermal properties are homogeneous (doors and windows have the same properties of walls) and you are a reptile, this could be an equivalent thermal circuit.
You want to save on heating? Let's use a little science. Supposing your room is spherical, the heater is in the center, the thermal properties are homogeneous (doors and windows have the same properties of walls) and you are a reptile, this could be an equivalent thermal circuit.Actually there are rules of thumb to calculate the amount of power required for to heat a room:
living room / office: 80W / m^3
bathroom: 90W / m^3
other rooms: 65W / m^3
BTW I'm not sold on the 'glass is a thermal insulator' argument. The surface area is huge (think why glazing is usually double and the trend is to go for triple). The argument is just as useless as (for example) comparing the conductivity of steel versus copper without taking the actual size of the conductor into account.
Why the number 8 appears so much in these sorts of products..?
You want to save on heating? Let's use a little science. Supposing your room is spherical, the heater is in the center, the thermal properties are homogeneous (doors and windows have the same properties of walls) and you are a reptile, this could be an equivalent thermal circuit.Actually there are rules of thumb to calculate the amount of power required for to heat a room:
living room / office: 80W / m^3
bathroom: 90W / m^3
other rooms: 65W / m^3
BTW I'm not sold on the 'glass is a thermal insulator' argument. The surface area is huge (think why glazing is usually double and the trend is to go for triple). The argument is just as useless as (for example) comparing the conductivity of steel versus copper without taking the actual size of the conductor into account.You're overthinking the problems with this thing.
Is there really no comeback against scammers and/or fantasists on Kickstarter?
Is there really no comeback against scammers and/or fantasists on Kickstarter?
Their UK site has a more elaborate calculator. There, thermal insulation of the room is important. I chose cavity brick walls, single glazed windows, roof, floor and ceiling, all uninsulated. For a 12m² room with 4 external walls, and 4m² glazed area, they recommended four 700W panels, i.e. 2800W.
I said earlier that the heater's thermal resistance was important. But it isn't. I mean, it is for the designer of the heater who needs to maintain its internal temperature under the specs. But not for the user. The user only cares about the temperature of the room. So as long as your heater dissipates all the incoming energy as heat in the room, the efficiency of the system is only a function of the thermal insulation of the room.
So, Solus' claims are totally unfounded in many levels.
Good grief:
.