🔊 Thermoacoustic Stirling Refrigerator

Evaluate thermoacoustic cryocoolers and Stirling refrigerators: acoustic cooling heat lift (Watts), acoustic work input, thermal penetration depth (delta_k), and COP using Swift model.

⚡ Fortran 90 Engine Double Precision (IEEE 754) ✓ ISO / ASME Validated
📊 Solver Telemetry ● ACTIVE
👁️ Consultations 20
⚡ Calculs faits 15
💾 Téléchargements 315 📦 Code Fortran 11.4 KB
📅 Mise en service Jun 2026
⏱️ Latence < 1 ms
⚡ Outils & Rapports :
💾 Télécharger Fortran 90

🔊 Acoustic Resonator Tube & Thermoacoustic Stack Heat Pumping

Real-time visual simulation: Standing acoustic wave oscillating gas parcels across parallel stack plates creating temperature gradient

📝 Configuration & Presets

🎈 Helium Refrigerator (20 bar) 🛰️ Spacecraft He-Xe Cryocooler (150K) ☀️ Solar Air Cooler (10 bar) 🧪 Lab Argon Demo (8 bar)
🧪 Working Gas & Resonator Acoustics
🌡️ Heat Exchanger Temperatures (Kelvin)
📐 Thermoacoustic Stack Dimensions
Swift Thermoacoustic Formulation:
• Thermal Penetration Depth: δκ = √(2 k / (ρ cp ω)) [mm]
• Optimal Stack Spacing: y₀ ≈ 2 - 4 δκ
• Acoustic Power Work: Ẇ₂ ∝ Astack · δκ · ω · p₁² / (ρ a²)
• Coefficient of Performance: COP = Q̇c / Ẇ₂

📊 Thermoacoustic Results

Configure inputs and click Compute to view results.

📘 Calculation Methodology & Thermoacoustic Standards

Thermoacoustic Heat Pumping Effect

Oscillating gas parcels experience cyclical compression, displacement, and thermal relaxation with the solid stack wall, pumping heat from the cold heat exchanger (CHX) toward the hot heat exchanger (HHX).

No Moving Parts & Noble Gas Operation

Eliminates pistons, valves, and synthetic fluorinated refrigerants. Uses inert helium or argon gas with near-infinite operational lifetimes for space missions and green cooling.

Key Engineering Assumptions

  • Linear Rott acoustic standing-wave approximation ($D_r \le 10\%$).
  • Short-stack approximation with parallel plate stack matrix.
  • Applicable to electronics cooling, space cryogenics, and waste heat refrigeration.