HDGL Closed-Loop Engine · Reheat + Re-Cool · Continuous Thermodynamic Cycle

Hot funnel (P_high)
Cold funnel (P_low / vacuum)
Toroid exchange zone
Hot toroid pipe
Cold toroid pipe
Hot return + reheat
Cold return + re-cool

Thermodynamic Cycle

① Hot exit → Reheat +Q_in ↑ P
② P_high → Hot funnel rim Pressurised entry
③ Funnel: swirl → axial 15° → 74°
④ Toroid: violent collision |Δv| = 135
⑤ Cold exit → Re-cool −Q_out ↓ P
⑥ P_low → Cold funnel rim Vacuum entry

Cycle Performance (T_hot/T_cold = 3)

Pressure ratio P_high/P_low 46.8×
Carnot efficiency limit 67%
Tesla rectification Passive ✓
External pump needed None — dP drives flow
Cycle type Stirling-analogue

Live Cycle State

Tracked particle zone
Cycle stage
Radius
Z position
Flow direction
No external pump. The P_high/P_low differential (46.8× at T_ratio=3) drives continuous circulation. Hot gas enters the funnel pressurised — it pushes inward. Cold gas enters at vacuum — it is pulled inward by the pressure difference. The Tesla-valve geometry ensures each stream enters preferentially in the correct direction and resists backflow.

The toroid is the heat exchange zone — hot and cold meet violently (|Δv|=135), exchange heat, then exit to their respective regenerator coils before re-entering.