Recent content by Eva Brain

  1. E

    Can This New Insulating Board Ignite Quickly Under High Heat Flux?

    OK, I have done following: Density 2400 kg m-3 ( p ) Thermal conductivity 0.85 W m-1 K-1 ( k ) Specific heat capacity 827 J kg-1 K-1 ( c ) Thickness of board 7mm ( t ) Initial/ambient laboratory temperature 18°C (T_0 ) Ignition temperature 410°C ( T_ig ) Found alpha, beta and...
  2. E

    Can This New Insulating Board Ignite Quickly Under High Heat Flux?

    OK, I have done following: Density 2400 kg m-3 ( p ) Thermal conductivity 0.85 W m-1 K-1 ( k ) Specific heat capacity 827 J kg-1 K-1 ( c ) Thickness of board 7mm ( t ) Initial/ambient laboratory temperature 18°C (T_0 ) Ignition temperature 410°C ( T_ig )Found alpha, beta and delta. Alpha =...
  3. E

    Properties of Thiazole: Balancing Reactions, Yields & Mass Ratios

    More and more I am convinced you are trying to detour me on my path of learning! Why do you mention water at all?
  4. E

    Properties of Thiazole: Balancing Reactions, Yields & Mass Ratios

    Thiazole doesn't react with a water. Yes, I agree it is completely irrelevant to Q1.
  5. E

    Calculating Heat Transfer Rate from a Smoky Layer to a Compartment Floor"

    Thank you I have solved it!
  6. E

    Can This New Insulating Board Ignite Quickly Under High Heat Flux?

    From a task. It was included in task. But in my textbooks it is completely different symbols.
  7. E

    Calculating Heat Transfer Rate from a Smoky Layer to a Compartment Floor"

    Ok. One thing concerns me here and that is thinking about whether or not A is here included as radiation constant?
  8. E

    Properties of Thiazole: Balancing Reactions, Yields & Mass Ratios

    OK, can you give me balanced reaction then? Of water and thiazole? I can see you know a lot about this thing.
  9. E

    Calculating Heat Transfer Rate from a Smoky Layer to a Compartment Floor"

    F_1,2 I have inserted everything into given formula and got the result.
  10. E

    Can This New Insulating Board Ignite Quickly Under High Heat Flux?

    Yes, but in textbooks symbols are all different! Can you show me what is what symbol, I will try to solve it?
  11. E

    Calculating Heat Transfer Rate from a Smoky Layer to a Compartment Floor"

    I have got 0.64. From here where to go now?
  12. E

    Properties of Thiazole: Balancing Reactions, Yields & Mass Ratios

    Of Thiamin 1? H_2 + 20_2 --> 2H_2O
  13. E

    Can This New Insulating Board Ignite Quickly Under High Heat Flux?

    What value go with what symbol?
  14. E

    Calculating Heat Transfer Rate from a Smoky Layer to a Compartment Floor"

    I don't understand Q.?
  15. E

    Calculating Heat Transfer Rate from a Smoky Layer to a Compartment Floor"

    I have calculated following X = 3.78 and Y = 5.40 Having this now I have tried to calculate F_1,2! I get following result 2/3671.16^degrees ( 1.16 + 1135.0^degrees). From here I don't know how to compute integeres and degrees? Should I convert this all to pi value, ie 1135.0^degrees is 6.03PI?
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