Thermal Management Solutions for Underwater Data Centers and Submerged Electronic Cooling Systems: Advanced Thermodynamic Design, Direct-to-Chip ... Control, and High-Pressure Reliability - Softcover

Inhaltsangabe

The rapid growth of artificial intelligence, high-performance computing, cloud services, and digital infrastructure is pushing conventional data-center cooling systems toward increasingly difficult engineering limits. Modern processors and accelerators generate extraordinary heat densities, while the energy required to reject that heat can represent a significant portion of total facility consumption.

For decades, the standard solution has been to place increasingly sophisticated refrigeration, chilled-water, air-handling, and heat-rejection systems around increasingly powerful computing equipment. Yet this approach creates a fundamental engineering question:

What if the environment surrounding the data center could become the heat sink?

Underwater and submerged data centers offer a radically different thermal architecture. Instead of rejecting heat into increasingly warm outdoor air through cooling towers, dry coolers, or mechanical refrigeration systems, submerged infrastructure can potentially transfer heat directly into a large, stable body of water.

The concept is deceptively simple. The engineering is not.

A submerged electronic system must operate within an environment characterized by hydrostatic pressure, seawater corrosion, biological growth, restricted physical access, demanding reliability requirements, and complex interactions between electronics, coolant, heat exchangers, structural containment, and the surrounding water.

At the same time, modern computing loads are becoming more thermally concentrated. AI accelerators and HPC processors can produce enormous heat fluxes within relatively small physical areas. Traditional air cooling becomes progressively more challenging at these densities, increasing interest in direct-to-chip liquid cooling, immersion cooling, and other advanced thermal-management technologies.

This book examines these technologies from an engineering perspective.

The objective is not simply to demonstrate that seawater can absorb heat. Rather, it is to establish a complete thermal-management framework extending from the semiconductor junction to the final heat sink:

Chip → cold plate or dielectric coolant → coolant loop → heat exchanger → seawater → surrounding environment.

Every link in this chain must be properly designed.

The book therefore examines thermodynamics, heat transfer, fluid mechanics, materials compatibility, hydrostatic pressure, pumping energy, heat exchanger performance, biofouling, corrosion, monitoring, controls, reliability, and lifecycle considerations.

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