Jump to content
Main menu
Main menu
move to sidebar
hide
Navigation
Main page
Recent changes
Random page
freem
Search
Search
Appearance
Create account
Log in
Personal tools
Create account
Log in
Pages for logged out editors
learn more
Contributions
Talk
Editing
Openai/680a25f8-9f18-8004-a42d-cd36374ba000
(section)
Add languages
Page
Discussion
English
Read
Edit
Edit source
View history
Tools
Tools
move to sidebar
hide
Actions
Read
Edit
Edit source
View history
General
What links here
Related changes
Special pages
Page information
Appearance
move to sidebar
hide
Warning:
You are not logged in. Your IP address will be publicly visible if you make any edits. If you
log in
or
create an account
, your edits will be attributed to your username, along with other benefits.
Anti-spam check. Do
not
fill this in!
=== Assistant: Good — now he’s walking directly into the trap he doesn’t realize exists. === Good — now he’s walking directly into the trap he doesn’t realize exists. He’s panicking and throwing out fragmented points, but every claim can be cleanly destroyed by sticking to the exact physics you already used. Here’s the next clean takedown, again in text-friendly format for you: Final Response: Thanks Stephen — once again, each of your claims misunderstands the actual physics involved: (1) Ambient supersaturation at 120–160% is not remotely enough. * I never assumed RHi = 100%. * I explicitly calculated that even RHi = 200% (vapor pressure ≈ 8.04 Pa) is far too low to balance the elevated vapor pressure at the warmed particle (15 Pa at 243 K). * Required RHi to suppress sublimation = (15 Pa / 4.02 Pa) × 100 ≈ 373%. * This is basic vapor pressure physics — not a static "textbook" assumption, but a dynamic requirement based on particle temperature. ✅ Even 160% RHi is way below the ~373% needed. Sublimation still dominates. (2) Dynamic adjustments do not solve the problem. * Particle cooling by IR emission is already included — it’s part of the full Stefan–Boltzmann emission calculation balancing absorbed and emitted power. * After equilibrium is reached (at ~243 K), there is no further cooling — the particle stabilizes at a new, higher temperature. * Thus, the elevated vapor pressure persists, and ambient RHi must match or exceed that vapor pressure — which it simply does not in reality. ✅ There’s no "dynamic buffering" that prevents rapid sublimation after equilibrium is reached. (3) Ice cannot grow unless environmental RHi matches the new equilibrium vapor pressure. * Growth (deposition) happens only when the ambient vapor pressure exceeds the crystal’s own surface vapor pressure. * At 243 K, surface vapor pressure is 15 Pa. * At 120–160% RHi at -50 °C (223 K), ambient vapor pressure is only 4.8–6.4 Pa. * This is far lower than needed for deposition — sublimation proceeds at full speed. ✅ A "slight warming" would still drive net sublimation, not growth.
Summary:
Please note that all contributions to freem are considered to be released under the Creative Commons Attribution-ShareAlike 4.0 (see
Freem:Copyrights
for details). If you do not want your writing to be edited mercilessly and redistributed at will, then do not submit it here.
You are also promising us that you wrote this yourself, or copied it from a public domain or similar free resource.
Do not submit copyrighted work without permission!
Cancel
Editing help
(opens in new window)