Johnny W. Hulsey Posted January 16, 2020 Share Posted January 16, 2020 I’m looking for a composite or natural material that’s very light, and can be heated to a high temperature with propane gas, then gas turned off and put unit into a small contained area to act as a heater. Weight is an important factor. Link to comment Share on other sites More sharing options...
studiot Posted January 16, 2020 Share Posted January 16, 2020 23 minutes ago, Johnny W. Hulsey said: I’m looking for a composite or natural material that’s very light, and can be heated to a high temperature with propane gas, then gas turned off and put unit into a small contained area to act as a heater. Weight is an important factor. Welcome Johnny. What you need is a high heat capacity material that won't boil or burn so a metal flask ofwater is out. A brick or concrete block springs to mind as does a piece of cast iron. You also say that weight is a consideration, but don't say whether you want more or less weight. Link to comment Share on other sites More sharing options...
Johnny W. Hulsey Posted January 16, 2020 Author Share Posted January 16, 2020 Sorry about that, I need the lightest weight I can get. Link to comment Share on other sites More sharing options...
Strange Posted January 16, 2020 Share Posted January 16, 2020 I think light weight is rather incompatible with high heat capacity. You might be better looking at something like those chemical hand warmers. One type uses the latent heat of crystallisation and is reusable by heating. https://en.m.wikipedia.org/wiki/Hand_warmer Maybe if you tell us the application, someone will have some better ideas. Link to comment Share on other sites More sharing options...
swansont Posted January 16, 2020 Share Posted January 16, 2020 Water has one of the highest specific heat capacities of any non-gas. Ammonia and Lithium are slightly larger. https://en.wikipedia.org/wiki/Table_of_specific_heat_capacities Hydrogen's is very large, but if you go that way you're going to need a bigger boat. Link to comment Share on other sites More sharing options...
Daenguybn Posted April 12, 2020 Share Posted April 12, 2020 Why not keep heating Link to comment Share on other sites More sharing options...
Sensei Posted April 12, 2020 Share Posted April 12, 2020 (edited) 1 hour ago, Daenguybn said: Why not keep heating It requires external source of the energy. Some deep cosmos spaceships use decay energy from radioisotopes e.g. Plutonium (energy from the Sun is too low) https://en.m.wikipedia.org/wiki/Radioisotope_heater_unit Edited April 12, 2020 by Sensei Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now