FrykenFrost™ – surface cooling system

A mobile cooling machine mounted on pontoons gliding over a calm water surface, designed for environmental cleanup and marine applications.

 Beyond Land: The Mobile Solution for Water, Oil, and Algae

Headline: The Floating Freezer: Using Mobile Cooling Technology for Environmental Cleanup and Marine Ice Block Construction. See Product Detailsin our Products section. Read about our company’s background and goals on the About page.

Introduction: The cooling machine’s potential extends far beyond ski trails and roads. The patent describes a version mounted on pontoons, ready to tackle environmental challenges, from oil spills at sea to large-scale algae blooms and melting glaciers.

Addressing Surface Water Challenges: Traditional cleanup methods for environmental disasters in water can be messy, slow, and labor-intensive. The cooling machine offers a novel, portable solution.

  • Pontoon Design: The device can be fitted with pontoons (friction members) for use on open water or shallow water. The cooling unit is versatile for different terrains, including water surfaces.
  • Controlling Contaminants: The pontoon version can be used to control algae blooms or to freeze chemicals and oil spills on the water surface (or from oil sands on land) for easier collection and cleanup. Freezing the contaminant solidifies it, preventing evaporation of hazardous gases and simplifying the recovery process.
  • Marine Ice Block Construction: The machine can accelerate the freezing of ice roads on lakes or even manufacture large ice blocks, for example, along a beach threatened by an oil spill to create a temporary barrier.

Operational Versatility: The machine’s ability to operate in various modes makes it ideal for these demanding marine applications:

  • Remote Control: The unit can be designed to be completely remote-controlled and monitored wirelessly from a control center, essential when dealing with hazardous materials or large bodies of water.
  • Safety First: It is equipped with systems like thermal sensors and laser light to warn the surroundings, especially red laser light that illuminates a “no-entry” zone in the immediate vicinity.

Conclusion: From preserving nature (preventing drainage into water sources ) to large-scale cleanup after environmental accidents, the mobile cooling machine offers a powerful, targeted, and cost-effective method for controlling and solidifying liquid matter on land and sea with year-round potential.

Final Thought
FrykenFrost™ demonstrates how targeted surface cooling can contribute to climate resilience and environmental protection. By combining innovative engineering with practical application, it highlights the importance of solutions that complement emissions reductions and broader planetary strategies.


Technical Specification – Cryogenic Cooling Module for Ski Tracks and Winter Surfaces

(With Integrated Analysis of Chamber Length, Heat Transfer, and Operational Speed)

1. System Overview

The cooling machine is a ground-interfacing, sealed cryogenic module designed for rapid cooling and surface freezing of highly compressed snow and soil. The system operates by expanding Liquid Nitrogen ($LN_2$) into gas within a sealed chamber gliding directly against the substrate. Controlled overpressure and forced gas circulation ensure maximum heat extraction and uniform surface freezing, even in wet conditions and positive ambient temperatures.

2. Mechanical Construction

  • Frame: Aluminum or stainless steel, dimensioned for thermal gradients from –180°C to +5°C.
  • Runners/Skis: Dual longitudinal runners for primary contact, side sealing, and preventing gas lift. Material: UHMW-PE or anodized aluminum.
  • Flexible Seals: Spring-loaded front and rear hatches follow the terrain. Internal curtains and profile-adapted seals for classic ski tracks ensure minimal gas leakage without deforming track geometry.

3. Cryogenic Cooling System

  • Medium: Liquid Nitrogen ($LN_2$), boiling point –196°C. Effective cooling capacity: $\approx 300\text{ kJ/kg}$.
  • Expansion: Pressure-regulated distribution (2–5 bar) with multiple expansion nozzles directed at baffle plates to ensure full gas phase before snow contact.
  • Circulation: High-velocity axial fans create a forced flow (downwards at the front, horizontal across the surface, upwards at the rear) to eliminate the Leidenfrost effect.
  • Pressure Control: Operating overpressure of 20–200 Pa to prevent warm air ingress.

4. Thermal Performance & Consumption

Reference Case: Compressed snow, density $500\text{ kg/m}^3$, Temp $+1^\circ\text{C}$, 30% liquid water content.

4.1 Energy Requirements ($Q_{tot}$)

  • Scenario A (Deep Stabilization, 20 mm): $\approx 783\text{ MJ/km}$ ($783\text{ kJ/m}$)
  • Scenario B (Surface Hardening, 7 mm): $\approx 274\text{ MJ/km}$ ($274\text{ kJ/m}$)

4.2 Nitrogen Consumption ($m_{N2} = Q_{tot} / q_{N2}$)

  • Scenario A: $\approx 2,600\text{ kg/km}$ (Cost: approx. $1,000\text{–}1,300\text{ USD/km}$)
  • Scenario B: $\approx 915\text{ kg/km}$ (Cost: approx. $350\text{–}450\text{ USD/km}$)

5. Speed and Efficiency Analysis

The relationship between cooling power ($P$) and speed ($v$) is defined as: $v = P / Q_{per\_meter}$.

DepthLN2​ FlowCooling PowerSpeed (5 m unit)Time per km
20 mm45 kg/min~225 kW~1.0 km/h60 min
7 mm45 kg/min~225 kW~3.0 km/h20 min

Note: Increasing chamber length to 10 m doubles the speed capacity ($v \propto L_c$).

6. Thermodynamics of the Chamber Length

The cooling performance is determined by contact time ($t_{exp}$) and contact area ($A$).

  • Contact Time: $t_{exp} = L_c / v$
  • Heat Transfer: $P_{max} \approx h \cdot b \cdot L_c \cdot \Delta T$(where $h = 200\text{ W/m}^2\text{K}$ for forced convection)

A minimum chamber length of 5 meters is recommended to achieve operational speeds of 1–3 km/h while ensuring uniform hardness across the 1.5 m width.

7. Logistics and Implementation

  • Towing Vehicle: The choice of prime mover (tractor, snow groomer, or utility vehicle) should be scaled to the nitrogen load and track length.
  • Standardization: The module utilizes standard mechanical hitches and vehicle power take-offs (electrical or hydraulic) for fan operation.
  • Environment: Nitrogen is inert and eco-friendly, returning to the atmosphere (78% $N_2$) without chemical residue or salt damage.

8. Summary

The cooling machine acts as a mobile cryogenic heat exchanger. This mathematical proof confirms that the system can effectively “flash-freeze” wet surfaces into a durable ice matrix at industrial speeds. It offers a superior, sustainable alternative to chemical salting for professional sports and winter infrastructure.


Surface cooling technologies like FrykenFrost™ highlight how innovation can support winter sports and climate adaptation. To strengthen resilience, these solutions should be connected to broader discussions on sustainability and planetary protection.

External References

Further Reading:


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