Physical Transformation AtlasPTA
Claim · claim:thermal-emission-drives

Temperature gradient —drives→ Thermal emission

The atlas records this claim as established: a temperature gradient drives the thermal emission under the conditions below.

establishedK8 · commercial technologyledger thermal → radiativeno record-level review date

Exploreconditions · evidence · matrix context · uses · cite

2cited sources25enumerated routes using it2routes with composition evidence2recorded pathways

Conditions

  • an emitter hotter than the surface it faces

Evidence · 2

  1. [1]
    A. Bejan. Advanced Engineering Thermodynamics (4th ed.) (2016)
    Wiley · doi:10.1002/9781119245964 · crossref ✓ 2026-09-19 · record
  2. [2]
    P. T. Landsberg, G. Tonge. Thermodynamic energy conversion efficiencies (1980)
    Journal of Applied Physics 51, R1–R20 · doi:10.1063/1.328187 · crossref ✓ 2026-09-19 · record

Matrix cells this relation feeds

D = disequilibrium row · C = coupling family column. A cell reads the state of the atlas for that pair.

Uses of this claim

recorded pathways · 2
other enumerated routes · 23

Cite this claim

Physical Transformation Atlas (2026). claim claim:thermal-emission-drives: Temperature gradient —drives→ Thermal emission. Dataset revision rbfbfcbb70e57 (hash of the canonical data). https://physical-transformation-atlas.wldud5192.workers.dev/claim/thermal-emission-drives

Ids and matrix addresses are stable across revisions; the revision hash identifies the exact canonical files the record was compiled from and is meta.data_hash in every /api export. Reuse terms: see the license field in any export.