Liquid Cooling and AI Data Center Daily | 2026-09-10
A daily English mirror of liquid cooling, AI data center efficiency, research papers, products, policy, financing, and supply-chain signals.
1. Executive brief
This English edition mirrors the same public-source dataset used by the Chinese daily report for 2026-09-10.
- Collection window: 2026-09-09 08:00 北京时间 - 2026-09-10 08:00 北京时间.
- Coverage snapshot: 0 industry items; 0 technology items; 8 paper or white-paper items; 8 video signals.
- Current hot topics: 电力并网与能源约束, PUE/WUE 与能效优化, AI 芯片供给与交付.
- The heat score is 6/10 and should be read as a source-density signal, not as an investment indicator.
All claims should be verified against the original source links listed at the end of this report.
Academic and Industry Briefs
Papers, videos, industry updates, policy, financing, and projects are compressed into scannable tags with a title, summary, and source link.
Academic
Research papers, methods, research-oriented videos, and academic signals.
Real-Time Edge-based Detection of Correlated AI Data-Center Load Episodes
Artificial-intelligence data centers running bulk-synchronous training can impose sub-second power swings. When several facilities …
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Real-Time Edge-based Detection of Correlated AI Data-Center Load Episodes
- Published
- 2026-08-24
- Authors
- Chandan Chaudhary, Abanish Tiwari, Yansong Pei, Mohammed Ben-Idris, Joydeep Mitra
- Theme
- 算电协同
Abstract
Artificial-intelligence data centers running bulk-synchronous training can impose sub-second power swings. When several facilities synchronize their training cycles, these load variations become spatially correlated and amplify the aggregate disturbance on the grid. A grid operator without access to data-center telemetry must infer this correlation from electrical measurements alone. However, the required observation time and the feasibility of detection on substation-deployable hardware remain uncharacterized. This paper develops a correlation-based detection method to classify the multi-facility operating regime from cross-facility power measurements. Analytical derivations and experimental validation show that the resulting detection confidence increases with the observation-window length at a rate governed by the load correlation time. The method is demonstrated in a real-time hardware-in-the-loop testbed, where load setpoints generated from a validated semi-Markov data-center load model are applied to an electromagnetic-transient grid simulation on a Real-Time Digital Simulator. A compact classifier built on pairwise power correlations runs on an edge device in this loop and determines whether the data-center load variations are independent or spatially correlated. The cross-facility correlation separates the independent and correlated cases across independent realizations. The held-out detection accuracy improves with the observation window, consistent with the predicted relation. A raw-waveform network fails to generalize, supporting pairwise correlation as the discriminative signal. The detector executes in real time on commodity edge hardware. A closed-loop demonstration against the running simulator tracks a regime change within one observation window.
Chinese interpretation
背景：AI 数据中心负载、功率密度和能源约束同步上升，算力负载与电网侧资源的协同调度正在成为智算中心设计的关键变量。问题：论文聚焦现有方案在效率、可靠性或工程协同上的瓶颈。方法：摘要显示作者采用实验验证、原型测试或测量对比，把运行负载、冷却/能源系统和基础设施约束放在同一分析框架中。结果：研究重点指向AI 负载波动对电网设备寿命和调频边界的影响。意义：对日报读者而言，它可用于判断智算中心建设是否受电网容量、负载波动和调度机制约束。仍需结合全文实验条件、样本范围和成本假设核验。
Reference
Chandan Chaudhary, Abanish Tiwari, Yansong Pei, 等. Real-Time Edge-based Detection of Correlated AI Data-Center Load Episodes[J/OL]. (2026-08-24)[2026-09-10]. http://arxiv.org/abs/2608.22719v1.
Generalizing Thermal Transport in High-Contrast Metamaterials through Int…
The rapid growth of generative AI has intensified the need for efficient heat dissipation in large-scale data centers. To control h…
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Generalizing Thermal Transport in High-Contrast Metamaterials through Interfacial Fresnel Reflection
- Published
- 2026-08-26
- Authors
- Seung Hyeon Ham, Yu Min Kim, In Hyeok Choi, Jeong Woo Han
- Theme
- 热管理与液冷
Abstract
The rapid growth of generative AI has intensified the need for efficient heat dissipation in large-scale data centers. To control heat flow, thermal metamaterials with layered structures have been widely used, which impart the anisotropic properties of thermal conductivities. However, the conventional effective medium approximation (EMA) often fails to provide accurate predictions in systems with a high thermal conductivity contrast between adjacent layers embedded in a background medium. Here, we generalize the EMA by introducing two corrective coefficients that extend its validity to regimes where the conventional EMA was previously inapplicable, i.e., high-contrast thermal metamaterials with the background medium. Notably, one of these coefficients that we proposed has the same mathematical form as the Fresnel reflection coefficient in optics. This allows us to interpret the "reflection-like" behavior of heat flow as it penetrates adjacent layers with high thermal contrast. Our findings suggest that heat diffusion, traditionally viewed as a purely dissipative process, can be understood intuitively through the framework of ray optics.
Chinese interpretation
背景：AI 数据中心负载、功率密度和能源约束同步上升，液冷、热管理和数据中心能效正在成为智算中心设计的关键变量。问题：论文聚焦现有方案在效率、可靠性或工程协同上的瓶颈。方法：摘要显示作者采用框架构建和频域/系统级分析，把运行负载、冷却/能源系统和基础设施约束放在同一分析框架中。结果：研究重点指向冷却效率、能源利用或运维策略的改进方向。意义：对日报读者而言，它可用于判断液冷方案、热管理路线和高密度部署节奏。仍需结合全文实验条件、样本范围和成本假设核验。
Reference
Seung Hyeon Ham, Yu Min Kim, In Hyeok Choi, 等. Generalizing Thermal Transport in High-Contrast Metamaterials through Interfacial Fresnel Reflection[J/OL]. (2026-08-26)[2026-09-10]. http://arxiv.org/abs/2608.25499v1.
Towards Terabit/$λ$/s Multidimensional Silicon Photonic Engine
Increasing artificial intelligence (AI) workloads drive co-packaged optics (CPO), which integrates optical engines with electronic …
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Towards Terabit/$λ$/s Multidimensional Silicon Photonic Engine
- Published
- 2026-08-12
- Authors
- Hao Chen, Zengqi Chen, Wu Zhou, Kaihang Lu, Mingyuan Zhang, Yuxiang Yin, Yiou Cui, Chaoran Huang
- Theme
- 芯片与算力
Abstract
Increasing artificial intelligence (AI) workloads drive co-packaged optics (CPO), which integrates optical engines with electronic components. Optical interconnects can extend transmission distances and reduce latency, allowing distributed clusters in AI factories to operate as a unified computational unit. However, escalating data throughput necessitates greater parallelization of light within ultracompact form factors while maintaining stringent energy efficiency and latency constraints. Here, we present a multidimensional silicon photonic engine that achieves a communication capacity exceeding 1.8 terabit/s/lambda/s. By monolithically integrating transceivers, spatial and polarization (de)multiplexers, and optical signal processors on a single chip, we eliminate bulky discrete (de)multiplexers and power-hungry digital signal processing (DSP). In experiments, the photonic engine can be self-configured to identify two, four, or six concurrent spatial and polarization channels per fiber while mitigating dynamic channel crosstalk. Compared with the state-of-art DSP, our approach achieves >5,000-fold reductions in both power consumption and processing latency at a MIMO processing order of six. Furthermore, we demonstrate full-duplex, modulation-format-transparent inter-chip communication over 300-meter fiber. These results represent a paradigm shift for optical engines in future high-performance computing and AI-driven data centers.
Chinese interpretation
背景：AI 数据中心负载、功率密度和能源约束同步上升，芯片、服务器和高密度算力部署正在成为智算中心设计的关键变量。问题：论文聚焦现有方案在效率、可靠性或工程协同上的瓶颈。方法：摘要显示作者采用框架构建和频域/系统级分析，把运行负载、冷却/能源系统和基础设施约束放在同一分析框架中。结果：研究重点指向能效评价口径、运营指标和优化目标的系统化梳理。意义：对日报读者而言，它可用于判断芯片路线和服务器密度变化如何传导到机房设计。仍需结合全文实验条件、样本范围和成本假设核验。
Reference
Hao Chen, Zengqi Chen, Wu Zhou, 等. Towards Terabit/$λ$/s Multidimensional Silicon Photonic Engine[J/OL]. (2026-08-12)[2026-09-10]. http://arxiv.org/abs/2608.11639v1.
Minimizing Grid Interconnection Capacity Requirements for AI Data Centers…
Securing grid interconnection capacity has become a bottleneck for AI data center projects and can take longer than constructing th…
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Minimizing Grid Interconnection Capacity Requirements for AI Data Centers: A Developer-Side Planning Framework with Onsite Resources and Workload Flexibility
- Published
- 2026-08-30
- Authors
- Hassan Zahid Butt, Rida Fatima, Xingpeng Li
- Theme
- 算电协同
Abstract
Securing grid interconnection capacity has become a bottleneck for AI data center projects and can take longer than constructing the facilities themselves. This mismatch can delay deployment for years, making early interconnection planning essential. This paper develops ICP-AI, an interconnection capacity planning framework from a data center developer's perspective. The framework minimizes grid import capacity under a prescribed onsite investment budget while jointly sizing photovoltaic (PV) and battery energy storage system (BESS) resources and scheduling deadline constrained workload flexibility. A secondary refinement fixes the minimum grid capacity and selects the minimum-investment PV-BESS portfolio among solutions that achieve that capacity. The framework is evaluated using monthly composite stress profiles across varying temporal assumptions, load shapes, flexible load fractions, and deferral windows. Results show that interconnection capacity reduction depends strongly on the planning environment: at a $100M budget, it is about 6% for the high load factor baseline, exceeds 10% under monthly average solar availability, and reaches 13.3% for a more diurnal load. At a $10M budget, 5% flexible load with a 1 h workload deferral window reduces BESS capacity from 15.30 to 4.87 MWh while increasing capacity reduction from 4.43% to 4.84%. To test sensitivity to temporal compression, the model is also solved over the full 8,760 h chronology, which preserves the main capacity and flexibility trends. Overall, ICP-AI quantifies the interconnection capacity and infrastructure substitution value of workload flexibility, providing an investment-interconnection frontier to support capital allocation and early project planning in constrained grid environments.
Chinese interpretation
背景：AI 数据中心负载、功率密度和能源约束同步上升，算力负载与电网侧资源的协同调度正在成为智算中心设计的关键变量。问题：论文聚焦现有方案在效率、可靠性或工程协同上的瓶颈。方法：摘要显示作者采用建模优化、调度分析或算法评估，把运行负载、冷却/能源系统和基础设施约束放在同一分析框架中。结果：研究重点指向AI 负载波动对电网设备寿命和调频边界的影响。意义：对日报读者而言，它可用于判断智算中心建设是否受电网容量、负载波动和调度机制约束。仍需结合全文实验条件、样本范围和成本假设核验。
Reference
Hassan Zahid Butt, Rida Fatima, Xingpeng Li. Minimizing Grid Interconnection Capacity Requirements for AI Data Centers: A Developer-Side Planning Framework with Onsite Resources and Workload Flexibility[J/OL]. (2026-08-30)[2026-09-10]. http://arxiv.org/abs/2608.29359v1.
Beyond the Grid: Cost, Carbon, and Capital Requirements of On-Site Power …
Interconnection queues, not electricity prices, now govern where data centers can be built, and the standard levelized-cost compari…
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Beyond the Grid: Cost, Carbon, and Capital Requirements of On-Site Power Technologies for AI Data Centers
- Published
- 2026-08-08
- Authors
- Eliseo Curcio
- Theme
- 算电协同
Abstract
Interconnection queues, not electricity prices, now govern where data centers can be built, and the standard levelized-cost comparison answers a question no developer faces: it assumes a load profile, freezes the grid price while modeling the demand that moves it, and quotes busbar costs a facility cannot buy. This paper evaluates nine on-site supply technologies against a delivered grid whose price is endogenous to projected data-center demand, on a complete-site basis that retains standby charges, with measured GPU training load, delivered fuel prices, production-pathway carbon, and statutory 45V and 48E incentive mechanics. Nothing beats the wire: gas combined cycle produces at 47 USD/MWh but costs about 114 USD per megawatt-hour of complete site energy against a 92 USD grid; four-hour storage is physically capped near 18 percent of annual energy and, charged at the margin, dirtier than the grid; hydrogen from grid-priced power fails on cost and carbon together. An investment inversion converts these findings into capital terms: conversion-hardware learning buys nothing, because free hardware still exceeds the grid for every low-carbon arm, while global electrolyser deployment on sited sub-20 USD/MWh power brings PEM hydrogen power to about 2.2 times the grid at 300 billion USD and 1.9 times at 1 trillion USD (2.7 and 2.3 for the hydrogen engine), with a carbon reduction of roughly 85 percent (6.8-fold) against grid-power production. Grid parity is not purchasable at any budget. On-site supply is an access and depth product; most current investment targets the wrong term.
Chinese interpretation
背景：AI 数据中心负载、功率密度和能源约束同步上升，算力负载与电网侧资源的协同调度正在成为智算中心设计的关键变量。问题：论文聚焦现有方案在效率、可靠性或工程协同上的瓶颈。方法：摘要显示作者采用仿真建模和情景分析，把运行负载、冷却/能源系统和基础设施约束放在同一分析框架中。结果：研究重点指向AI 负载波动对电网设备寿命和调频边界的影响。意义：对日报读者而言，它可用于判断智算中心建设是否受电网容量、负载波动和调度机制约束。仍需结合全文实验条件、样本范围和成本假设核验。
Reference
Eliseo Curcio. Beyond the Grid: Cost, Carbon, and Capital Requirements of On-Site Power Technologies for AI Data Centers[J/OL]. (2026-08-08)[2026-09-10]. http://arxiv.org/abs/2608.08170v1.
Hosting Capacity Assessment of Data Centers with Voltage Ride-Through Cap…
Large data centers are emerging as concentrated, power-electronic grid loads whose abrupt disconnection or transfer to on-site back…
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Hosting Capacity Assessment of Data Centers with Voltage Ride-Through Capability in Power Systems
- Published
- 2026-09-03
- Authors
- Pengyu Ren, Wei Sun, Fei Teng
- Theme
- 算电协同
Abstract
Large data centers are emerging as concentrated, power-electronic grid loads whose abrupt disconnection or transfer to on-site backup supply during voltage disturbances can remove large demand from the power system, and may create a system-level stability problem. Their interconnection feasibility therefore depends not only on steady-state thermal and voltage limits, but also on whether internal power-conditioning systems can maintain IT service while limiting customer-initiated load reduction. This paper presents a voltage ride-through (VRT)-aware data center and grid co-planning framework that couples transmission-level fault simulation with an internal data center ride-through model. Python-based dynamic simulations generate point-of-interconnection (POI) voltage trajectories under selected network faults, and the resulting waveforms drive an internal model incorporating IT and cooling-load dynamics, DC-link, Uninterruptible Power Supply (UPS) response, and converter apparent power limits. The IEEE 118-bus case study shows that internal VRT capability can become a binding interconnection constraint: steady-state planning alone can overestimate feasible data center capacity, whereas increased UPS converter headroom progressively restores hosting capacity. Under the reduced-order response models studied, the grid-forming mode provides greater ride-through margin than the current-limited grid-following mode under the same network fault conditions. The results further show that VRT constraints can materially change both the total hosting capacity of data centers and its spatial allocation across candidate interconnection buses.
Chinese interpretation
背景：AI 数据中心负载、功率密度和能源约束同步上升，算力负载与电网侧资源的协同调度正在成为智算中心设计的关键变量。问题：论文聚焦现有方案在效率、可靠性或工程协同上的瓶颈。方法：摘要显示作者采用框架构建和频域/系统级分析，把运行负载、冷却/能源系统和基础设施约束放在同一分析框架中。结果：研究重点指向AI 负载波动对电网设备寿命和调频边界的影响。意义：对日报读者而言，它可用于判断智算中心建设是否受电网容量、负载波动和调度机制约束。仍需结合全文实验条件、样本范围和成本假设核验。
Reference
Pengyu Ren, Wei Sun, Fei Teng. Hosting Capacity Assessment of Data Centers with Voltage Ride-Through Capability in Power Systems[J/OL]. (2026-09-03)[2026-09-10]. http://arxiv.org/abs/2609.03030v1.
Exploiting the Benefits of V2B Application on Peak Shaving of Data Center…
The accelerated growth in data center projects has introduced a demand-driven bottleneck throughout power grids and contributed to …
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Exploiting the Benefits of V2B Application on Peak Shaving of Data Center Loads
- Published
- 2026-09-01
- Authors
- Arya Joshi, Hamed Haggi, Chinmay Morankar
- Theme
- 算电协同
Abstract
The accelerated growth in data center projects has introduced a demand-driven bottleneck throughout power grids and contributed to a substantial increase in carbon emissions. These concerns are fueling discussions on methods to use existing energy assets to drive operational efficiency. To this end, this paper explores the benefits of Vehicle-to-Building (V2B) applications to support peak shaving of data center cooling loads. Initially, a literature review was conducted considering V2B constraints and optimization methods including SoC limitations, EV participation, tariffs, and building loads. This analysis was then used to develop a conceptual case study of a 10 MW data center in Loudoun County, VA by simulating a temperature-dependent load profile and adjusting the V2B participation of 40 commercial and passenger EVs. Simulation results indicate that, depending on seasonal variations in cooling load demands, strategic deployment of V2B assets between 12-5pm can offset gross cooling loads by 13-36%.
Chinese interpretation
背景：AI 数据中心负载、功率密度和能源约束同步上升，算力负载与电网侧资源的协同调度正在成为智算中心设计的关键变量。问题：论文聚焦现有方案在效率、可靠性或工程协同上的瓶颈。方法：摘要显示作者采用综述归纳和指标比较，把运行负载、冷却/能源系统和基础设施约束放在同一分析框架中。结果：研究重点指向AI 负载波动对电网设备寿命和调频边界的影响。意义：对日报读者而言，它可用于判断智算中心建设是否受电网容量、负载波动和调度机制约束。仍需结合全文实验条件、样本范围和成本假设核验。
Reference
Arya Joshi, Hamed Haggi, Chinmay Morankar. Exploiting the Benefits of V2B Application on Peak Shaving of Data Center Loads[J/OL]. (2026-09-01)[2026-09-10]. http://arxiv.org/abs/2609.00204v1.
Environmental and Economic Implications of Artificial Intelligence Data C…
In this study, we use electricity demand growth, cooling requirements, and backup system operation to evaluate the environmental an…
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Environmental and Economic Implications of Artificial Intelligence Data Centers in the United States
- Published
- 2026-08-11
- Authors
- Johanna Bolaños-Zuñiga, Alberto J. Lamadrid
- Theme
- 算电协同
Abstract
In this study, we use electricity demand growth, cooling requirements, and backup system operation to evaluate the environmental and economic implications of artificial intelligence data centers in the United States. Our results indicate that impacts are not determined solely by facility design, but by the broader electricity, water, and land-use systems in which these facilities operate. Emissions are primarily driven by electricity consumption and therefore depend on marginal generation mixes, transmission constraints, and the spatial and temporal distribution of demand. Analysis further shows that local effects include pressures on water resources, increased noise exposure, and land-use changes, with outcomes varying across regions and infrastructure conditions. The assessment of technological and operational measures shows that improvements in energy efficiency, cooling configurations, and operational strategies can reduce these impacts, although their effectiveness depends on system-level conditions. Evaluation of regulatory and market structures suggests that existing frameworks may not fully account for location- and time-specific externalities. These findings support the need for integrated policy approaches that align data center deployment and operation with electricity system characteristics, water availability, and land-use planning to improve overall environmental and economic performance.
Chinese interpretation
背景：AI 数据中心负载、功率密度和能源约束同步上升，算力负载与电网侧资源的协同调度正在成为智算中心设计的关键变量。问题：论文聚焦现有方案在效率、可靠性或工程协同上的瓶颈。方法：摘要显示作者采用框架构建和频域/系统级分析，把运行负载、冷却/能源系统和基础设施约束放在同一分析框架中。结果：研究重点指向能效评价口径、运营指标和优化目标的系统化梳理。意义：对日报读者而言，它可用于判断智算中心建设是否受电网容量、负载波动和调度机制约束。仍需结合全文实验条件、样本范围和成本假设核验。
Reference
Johanna Bolaños-Zuñiga, Alberto J. Lamadrid. Environmental and Economic Implications of Artificial Intelligence Data Centers in the United States[J/OL]. (2026-08-11)[2026-09-10]. http://arxiv.org/abs/2608.09882v1.
The AI Infrastructure Utility | Wade Vinson, NVIDIA | DCAC Live 2025 Keyn…
Data Center Anti-Conference · Query: AI data center energy conference keynote。Useful as technical or research context.
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Webinar: Data Centre Liquid Cooling Technology
Park Place Technologies · Query: data center liquid cooling conference presentation。Useful as technical or research context.
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ACM SIGEnergy WeCan'22: Opening Address
Noman Bashir · Query: ACM SIGEnergy data center energy talk。Useful as technical or research context.
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AI & Nuclear Energy: Keynote | Sama Bilbao y León (IAEA)
World Nuclear Association · Query: AI data center energy conference keynote。Useful as technical or research context.
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电力并网与能源约束
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PUE/WUE 与能效优化
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AI 芯片供给与交付
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Industry
Industry news, products, policy, financing, projects, and market-oriented videos.
Supermicro Liquid Cooling D2C Technology and Solutions Part 2
JPMediaProductions · Query: OCP data center cooling workshop。Useful for product, market, or deployment context.
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Webinar ▶️ A Gamechanger: HPC Without the Datacentre
Asperitas · Query: high performance computing data center cooling workshop。Useful for product, market, or deployment context.
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2 myths about closed loop cooling in data centers
Milwaukee Journal Sentinel · Query: OCP data center cooling workshop。Useful for product, market, or deployment context.
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2024 ASHRAE Webinar: Adiabatic Solutions for Data Centers
Condair USA/CA · Query: ASHRAE data center cooling webinar。Useful for product, market, or deployment context.
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产业热度指数 6/10
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NVIDIA Blackwell/GB200/GB300
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AI 芯片供给与交付
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智算中心 CapEx/扩建
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4. Video signals
Supermicro Liquid Cooling D2C Technology and Solutions Part 2
行业论坛 · JPMediaProductions · Query: OCP data center cooling workshop
Open on YouTubeThe AI Infrastructure Utility | Wade Vinson, NVIDIA | DCAC Live 2025 Keynote
学术会议报告 · Data Center Anti-Conference · Query: AI data center energy conference keynote
Open on YouTubeWebinar ▶️ A Gamechanger: HPC Without the Datacentre
技术研讨会 · Asperitas · Query: high performance computing data center cooling workshop
Open on YouTubeWebinar: Data Centre Liquid Cooling Technology
学术会议报告 · Park Place Technologies · Query: data center liquid cooling conference presentation
Open on YouTube2 myths about closed loop cooling in data centers
行业论坛 · Milwaukee Journal Sentinel · Query: OCP data center cooling workshop
Open on YouTube2024 ASHRAE Webinar: Adiabatic Solutions for Data Centers
标准组织讲座 · Condair USA/CA · Query: ASHRAE data center cooling webinar
Open on YouTubeACM SIGEnergy WeCan'22: Opening Address
学术讲座 · Noman Bashir · Query: ACM SIGEnergy data center energy talk
Open on YouTubeAI & Nuclear Energy: Keynote | Sama Bilbao y León (IAEA)
学术会议报告 · World Nuclear Association · Query: AI data center energy conference keynote
Open on YouTubeSources
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