🌬️ Indirect Evaporative Cooler Sizer (M-Cycle)
Size Maisotsenko Cycle (M-Cycle) dew-point indirect evaporative coolers: sub-wet-bulb cooling, dew-point effectiveness, COP > 25, and zero-humidity added sensible cooling.
⚡ Fortran 90 Engine
Double Precision (IEEE 754)
✓ ISO / ASME Validated
📊 Solver Telemetry
● ACTIVE
👁️ Consultations
20
⚡ Calculs faits
17
💾 Téléchargements
148
📦 Code Fortran
4.1 KB
📅 Mise en service
Jun 2026
⏱️ Latence
< 1 ms
🌬️ Maisotsenko Cycle Multi-Channel Dew-Point Evaporation
Real-time visual simulation: Product dry channel (sensible cooling) and counterflow wet evaporative channels📝 Configuration & Presets
🏜️ Desert Arid (40°C / 18% RH)
🖥️ Datacenter Free-Cooling
🏢 Commercial Building DOAS
🏭 Industrial Spot Cooling
Maisotsenko Dew-Point (M-Cycle) Formulation:
• Product Air Outlet: Tout = Tdb,in − εdp · (Tdb,in − Tdp) [°C]
• Wet-Bulb Effectiveness: εwb = (Tdb,in − Tout) / (Tdb,in − Twb) > 100%
• Sensible Cooling (Zero Humidity Added): Q̇ = ṁproduct · cp · (Tdb,in − Tout) [kW]
• Energy Efficiency Ratio: COP > 25 (90% electricity reduction vs compressor AC).
• Product Air Outlet: Tout = Tdb,in − εdp · (Tdb,in − Tdp) [°C]
• Wet-Bulb Effectiveness: εwb = (Tdb,in − Tout) / (Tdb,in − Twb) > 100%
• Sensible Cooling (Zero Humidity Added): Q̇ = ṁproduct · cp · (Tdb,in − Tout) [kW]
• Energy Efficiency Ratio: COP > 25 (90% electricity reduction vs compressor AC).
📊 Dew-Point Cooling Results
Configure inputs and click Compute to view results.
📘 Calculation Methodology & M-Cycle Standards
Maisotsenko Dew-Point Sub-Wet-Bulb Principle
By pre-cooling the working air before it enters the wet channels, the thermodynamic limit shifts from the ambient wet-bulb ($T_{wb}$) all the way to the ambient dew-point temperature ($T_{dp}$), yielding wet-bulb efficiencies exceeding $100\%$.
Sensible Cooling Without Humidity Addition
The product supply air stream never contacts the wet surface directly, delivering crisp, dehumidified-feel sensible cooling without increasing the indoor relative humidity.
Key Engineering Assumptions
- Counter-flow / cross-flow M-Cycle perforated dry-to-wet channel plate stack.
- Sub-wet-bulb psychrometric path with dew-point effectiveness $\epsilon_{dp} \approx 75 - 88\%$.
- Widely used in desert climate HVAC, datacenter free-cooling, and hybrid DOAS rooftop units.