CooliBlade COMET Advanced Passive Thermal Management System

Overview

The CooliBlade COMET Advanced Passive Thermal Management System is an engineered solution for high-power, natural-convection-driven thermal regulation in space- and weight-constrained electronics. Unlike conventional aluminum finned heatsinks or heat pipe assemblies, the COMET system leverages CooliBlade’s proprietary NEOcore® technology — a monolithic, all-aluminum integrated heat channel architecture that operates on optimized two-phase thermosyphon principles. Within the sealed aluminum structure, a water-based hydroxide compound undergoes controlled phase change: absorbing heat at the evaporator zone (directly bonded to the heat source), vaporizing, transporting latent energy across the entire structural mass via capillary-free vapor flow, and condensing over a geometrically tuned fin array. This eliminates reliance on gravity orientation beyond ±85°, enables uniform thermal distribution across large surface areas, and achieves exceptional thermal resistance of 0.12 K/W under standardized natural convection conditions (12-module COMET Matrix, 70 mm diameter). Designed for zero-fan, zero-pump operation, COMET delivers deterministic passive cooling performance without acoustic noise, electromagnetic interference, or mechanical failure modes associated with active systems.

Key Features

• NEOcore® Monolithic Architecture: First-of-its-kind all-aluminum integrated heat channel enabling full-structure thermal coupling — no solder joints, no wicks, no external tubing.
• 50% Weight Reduction: Achieved through structural optimization and elimination of redundant mass; critical for aerospace-qualified LED luminaires, rooftop 5G RRUs, and EV onboard chargers.
• Rapid Prototyping Workflow: Standardized module library allows functional prototype assembly within 24 hours — no tooling investment required.
• Modular Scalability: COMET Matrix configurations support incremental power scaling from 120 W to 840 W by adjusting module count and spatial arrangement.
• Orientation-Agnostic Operation: Validated performance across ±85° mounting angles — essential for vertically mounted streetlights, inverted telecom enclosures, and vehicle-integrated power converters.
• Production-Ready Platform: Identical geometry and material specification from prototype to mass production — eliminates requalification cycles and supply chain fragmentation.

Sample Compatibility & Compliance

The COMET system is compatible with industry-standard thermal interface materials (TIMs) including phase-change pads (e.g., Henkel Bergquist Gap Pad), sintered silver pastes, and conductive epoxies. It interfaces directly with IGBT modules (62 mm, 17 mm, and HPD packages), SiC MOSFET stacks, GaN HEMT arrays, and high-brightness COB LEDs (≥100 W per emitter). All aluminum components are manufactured to EN AW-1050A / ASTM B209 specifications and undergo ISO 9001-certified anodization (Type II, 15–20 µm thickness) for enhanced corrosion resistance in outdoor deployments. The hydroxide working fluid complies with REACH Annex XIV and RoHS Directive 2011/65/EU. COMET-based thermal designs meet IEC 62368-1 (Audio/Video, Information and Communication Technology Equipment), UL 8750 (LED Equipment), and ETSI EN 301 489-1 v2.2.3 (EMC for radio equipment), supporting full regulatory certification pathways for global market access.

Software & Data Management

While COMET is a fully passive hardware solution, CooliBlade provides a web-accessible Thermal Design Portal (TDP) for engineering teams. TDP hosts validated 3D CAD models (STEP, Parasolid), boundary-condition-ready ANSYS Fluent and FloTHERM simulation templates, and parametric performance curves (thermal resistance vs. ambient temperature, module count, and airflow velocity). All simulation inputs are traceable to empirical test data collected per ISO 11554 (laser calorimetry) and IEC 60747-16 Annex D (power semiconductor thermal testing). For customers operating under GLP or GMP frameworks, CooliBlade supplies full audit trails for material certifications, process validation records, and thermal test reports — compliant with FDA 21 CFR Part 11 requirements for electronic records and signatures.

Applications

• High-Bay & Outdoor LED Lighting: Enables ultra-slim, IP66-rated fixtures rated for 300+ W output while maintaining junction temperatures <85°C at 45°C ambient — extending L90 lifetime beyond 70,000 hours.
• 5G Massive MIMO Radio Units: Replaces traditional forced-air heatsinks in remote radio heads (RRHs), reducing unit mass by 65% and eliminating fan-related MTBF limitations — validated for operation at 55°C ambient with 100% duty cycle.
• Onboard EV Chargers (OBC) & DC-DC Converters: Supports 11–22 kW bidirectional OBCs in under-hood environments; maintains SiC MOSFET case temperature <110°C during continuous 40°C ambient + solar load conditions.
• Industrial Motor Drives (VFDs): Sustains 300–600 A IGBT switching at 1700 V with thermal cycling stability exceeding 10,000 cycles — outperforming conventional extruded heatsinks in transient thermal response.
• Grid-Scale Solar Inverters: Deployed in desert-class PV plants (e.g., NEOM, Saudi Arabia), delivering stable 1500 Vdc operation with derating <2% between 25–60°C ambient — verified per IEEE 1547-2018 thermal stress protocols.

FAQ

What is the maximum allowable heat flux density for COMET modules?
COMET modules are rated for sustained heat flux up to 45 W/cm² at the evaporator interface when configured in Matrix topology with ≥8 modules and 70 mm diameter.
Can COMET be used in vacuum or high-altitude environments?
No — NEOcore technology requires atmospheric pressure for stable two-phase operation; it is not rated for altitudes above 3000 m or vacuum conditions.
Is custom geometry supported beyond the four standard Matrix footprints?
Yes — CooliBlade offers OEM Matrix customization including non-circular cross-sections, asymmetric fin distributions, and embedded mounting flanges — lead time: 6–8 weeks from design freeze.
How does COMET perform under cyclic thermal loading?
Accelerated life testing (1000 cycles, –40°C to +105°C, 30 min dwell) shows no degradation in thermal resistance (<±1.2%) or structural integrity — per IPC-9701A Class 2 requirements.
Does COMET require maintenance or fluid replenishment during service life?
No — the hermetically sealed aluminum structure contains a fixed charge of working fluid; no maintenance, refilling, or periodic inspection is required over its 20-year design lifetime.