液冷与智算中心日报｜2026-06-05
追踪液冷技术、AI 智算中心、数据中心能效、学术论文、产品发布、政策标准、投融资与供应链动态的每日中文报告。
1. 今日一句话总结
24小时内，资本继续加码智算中心，但电力、审批与能效约束已前置，液冷和算电协同正转为项目准入项。
从公开信号看，资本并未因为约束而降温，资本开支仍向AI数据中心与液冷环节集中，说明头部厂商和基础设施资本仍在前置锁定园区、容量和交付窗口；但与此同时，电力并网与能源约束、AI 芯片供给与交付、PUE/WUE 与能效优化仍是主线，但基础设施约束已前置，意味着行业竞争的关键变量已不再只是“拿到多少 GPU”，而是“能否把 GPU 放进一个可并网、可散热、可控成本、可持续运行的系统”。技术侧技术侧继续围绕高带宽互连与服务器能效优化，论文侧跨地域训练优化研究给出64.62%训练提速上限，共同指向同一个趋势：单点器件优化的边际价值在下降，网络、供电、储能、液冷和调度软件的系统级协同正在上升为真正的产能约束。对产业链而言，未来更稀缺的不是单一硬件，而是把算力、热管理和能源调度耦合起来的工程交付能力。
学术与产业速览
将论文、视频、产业动态和政策项压缩为可快速扫描的标签；每个标签只保留题目、摘要和来源入口。
学术
论文、研究趋势、学术视频与方法论线索。
A Scalable Digital Twin Framework for Energy Optimization in Data Centers
This study proposes a scalable Digital Twin framework for energy optimization in data centers.The framework integrates IoT-based da…
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A Scalable Digital Twin Framework for Energy Optimization in Data Centers
- 发布时间
- 2026-05-07
- 作者
- Raphael Hendrigo de Souza Gonçalves、Wendel Marcos dos Santos
- 主题
- 能效优化
摘要
This study proposes a scalable Digital Twin framework for energy optimization in data centers.The framework integrates IoT-based data acquisition, cloud computing, and machine learning techniques to enable real-time monitoring, forecasting, and intelligent energy management. A controlled small-scale data center environment was developed to monitor variables such as power consumption, temperature, and computational workload. Long Short-Term Memory (LSTM) models were employed to predict energy demand and support operational decision-making. Experimental results demonstrated improvements in energy efficiency, including reductions in power consumption and enhancements in Power Usage Effectiveness (PUE). Despite being evaluated in a constrained environment, the proposed framework demonstrates strong potential as a scalable and cost-effective solution for sustainable data center management.
中文解读
背景：AI 数据中心负载、功率密度和能源约束同步上升，PUE/WUE、能效指标和运营成本控制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，它可用于判断不同能效指标是否真实反映节能和成本收益。仍需结合全文实验条件、样本范围和成本假设核验。
参考文献
Raphael Hendrigo de Souza Gonçalves, Wendel Marcos dos Santos. A Scalable Digital Twin Framework for Energy Optimization in Data Centers[J/OL]. (2026-05-07)[2026-06-05]. http://arxiv.org/abs/2605.05581v1.
Carbon-Aware Compute--Power Scheduling for AI Data Centers with Microgrid…
AI data centers are increasingly becoming tightly coupled compute--energy systems, where workload placement, cooling demand, electr…
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Carbon-Aware Compute--Power Scheduling for AI Data Centers with Microgrid Prosumer Operations
- 发布时间
- 2026-05-05
- 作者
- Johnny R. Zhang、Gaoyuan Du、Qianyi Sun、Shiqi Wang、Jiaxuan Li、Xian Sun
- 主题
- 算电协同
摘要
AI data centers are increasingly becoming tightly coupled compute--energy systems, where workload placement, cooling demand, electricity procurement, storage operation, and carbon emissions interact over time. This paper studies carbon-aware compute--power scheduling for geographically distributed AI data centers with microgrid prosumer capabilities. We propose a mixed-integer linear programming (MILP) framework that jointly schedules rigid training jobs, routes elastic inference workloads, dispatches local generation and battery storage, and manages bidirectional grid interaction under latency, continuity, power-balance, and carbon-budget constraints. The model captures two key features of emerging AI infrastructure: heterogeneous workload flexibility and site-level energy prosumer operation. Experiments on synthetic yet practically motivated instances show that the proposed joint MILP substantially improves total operational benefit over compute-only and energy-only baselines while reducing emissions. The results further indicate that inference-routing flexibility is a major source of value, battery storage provides useful temporal flexibility, and local-generation-rich settings are particularly favorable. The framework provides a tractable optimization abstraction for sustainable and grid-interactive AI data centers.
中文解读
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。
参考文献
Johnny R. Zhang, Gaoyuan Du, Qianyi Sun, 等. Carbon-Aware Compute--Power Scheduling for AI Data Centers with Microgrid Prosumer Operations[J/OL]. (2026-05-05)[2026-06-05]. http://arxiv.org/abs/2605.03751v2.
Limiting the Impact of AI Data Centers on Fatigue Life of Thermal Turbine…
A framework is established that assesses the impact of variations in artificial intelligence (AI) data center (DC) loads on the fat…
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Limiting the Impact of AI Data Centers on Fatigue Life of Thermal Turbine Generators in the Grid: A Frequency-Domain Approach
- 发布时间
- 2026-05-02
- 作者
- Fiaz Hossain、Nilanjan Ray Chaudhuri、Alok Sinha、Sai Gopal Vennelaganti、Mohammed E. Nassar
- 主题
- 算电协同
摘要
A framework is established that assesses the impact of variations in artificial intelligence (AI) data center (DC) loads on the fatigue damage of steam/gas turbines of the synchronous generators (SGs) from torsional oscillations. Next, a simple three-step process that is supported by frequency-domain analysis is laid out to quantify the limits on fluctuations in AI DC loads. In the first step, the maximum allowable variation in electrical power output at each SG terminal is independently determined from the first principles. This step needs only a lumped multi-mass model of the mechanical side of the SG. In the second step, we propose a new approach that relies on load flow to determine the so-called algebraic `interaction factor' that maps the change in AI DC load at a given bus to the corresponding change in each of the SG power outputs. In the third step, we propose a screening method to rank the candidate buses to site AI DCs and solve an optimization problem to determine the optimal allowable fluctuations in the AI DCs. We demonstrate the applicability of the proposed approach through frequency-domain and time-domain analyses in the modified IEEE 4-machine and IEEE-68 bus systems using a dynamic phasor framework. Finally, we demonstrate the scalability of the proposed approach on the synthetic 2000-bus Texas system.
中文解读
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。
参考文献
Fiaz Hossain, Nilanjan Ray Chaudhuri, Alok Sinha, 等. Limiting the Impact of AI Data Centers on Fatigue Life of Thermal Turbine Generators in the Grid: A Frequency-Domain Approach[J/OL]. (2026-05-02)[2026-06-05]. http://arxiv.org/abs/2605.01173v1.
The Hidden Cost of Thinking: Energy Use and Environmental Impact of LMs B…
Modern language model development extends far beyond pretraining, yet environmental reporting remains narrowly focused on the cost …
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The Hidden Cost of Thinking: Energy Use and Environmental Impact of LMs Beyond Pretraining
- 发布时间
- 2026-05-02
- 作者
- Jacob Morrison、Noah A. Smith、Emma Strubell
- 主题
- 热管理与液冷
摘要
Modern language model development extends far beyond pretraining, yet environmental reporting remains narrowly focused on the cost of training a single final model. In this work, we provide the first detailed breakdown of the environmental impact of a full model development pipeline, from pretraining through supervised fine-tuning, preference optimization, and reinforcement learning, for Olmo 3, a family of 7 billion and 32 billion parameter models in both instruction-following and reasoning variants. We find that reasoning models are 17x more expensive to post-train than their instruction-tuned counterparts in terms of datacenter energy, driven by reinforcement learning rollout generation. Development costs (including experimentation, failed runs, and ablations) account for 82.2% of total compute, a roughly 65% increase over the ~50% reported for pretraining-focused pipelines in prior work. In total, we estimate our model development process consumed ~12.3 GWh of datacenter energy, emitted 4,251 tCO2eq, and consumed 15,887 kL of water, with water consumption driven entirely by power generation infrastructure rather than data center cooling. These costs, which are almost entirely unreported by model developers, are growing rapidly as post-training pipelines become more complex, and must be accounted for in environmental reporting standards and by the research community working to reduce AI's environmental impact.
中文解读
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。
参考文献
Jacob Morrison, Noah A. Smith, Emma Strubell. The Hidden Cost of Thinking: Energy Use and Environmental Impact of LMs Beyond Pretraining[J/OL]. (2026-05-02)[2026-06-05]. http://arxiv.org/abs/2605.01158v1.
Grid Capacity Expansion under Data Centers and Electrified Manufacturing …
In this paper, we consider the expansion of power grids under emerging large loads from data centers and electrified manufacturing.…
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Grid Capacity Expansion under Data Centers and Electrified Manufacturing Large Loads
- 发布时间
- 2026-05-28
- 作者
- Jiyong Lee、Melody Agustin、Joanne Langsdorf、Erhan Kutanolgu、Michael Baldea、Ilias Mitrai
- 主题
- 算电协同
摘要
In this paper, we consider the expansion of power grids under emerging large loads from data centers and electrified manufacturing. We develop a multi-period grid capacity expansion model to determine optimal investment profiles for power generation, storage, and transmission capacity while accounting for hourly power dispatch, such that electricity demand is satisfied and the total planning and operation cost is minimized. We also propose a new modeling approach regarding the spatial distribution of demand from large loads. The model is used to analyze the expansion of a synthetic grid that follows key characteristics of the ERCOT system over a seven-year planning horizon, under loads from data centers and electrified oil refining, which account for 17.5% and 4.7% of total annual electricity demand by the end of the planning horizon. The optimal investment policy leads to an 83.6% increase in generation capacity and exploits the short construction times of solar and storage as well as the operational flexibility of thermal generators. Finally, sensitivity analysis reveals that the construction time of grid assets substantially impacts investment timing, generation technology mix, and transmission capacity expansion. The proposed modeling framework is general and can be extended to other grid systems, enabling the exploration of diverse demand scenarios, policy assumptions, and regional characteristics.
中文解读
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。
参考文献
Jiyong Lee, Melody Agustin, Joanne Langsdorf, 等. Grid Capacity Expansion under Data Centers and Electrified Manufacturing Large Loads[J/OL]. (2026-05-28)[2026-06-05]. http://arxiv.org/abs/2605.29053v1.
GridPilot: Real-Time Grid-Responsive Control for AI Supercomputers
At global scale, data-center electricity demand is growing faster than the grids that supply it, while system operators increasingl…
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GridPilot: Real-Time Grid-Responsive Control for AI Supercomputers
- 发布时间
- 2026-05-26
- 作者
- Denisa-Andreea Constantinescu、David Atienza
- 主题
- 算电协同
摘要
At global scale, data-center electricity demand is growing faster than the grids that supply it, while system operators increasingly require large flexible loads that can adjust power within seconds to absorb variable wind and solar generation. For multi-megawatt AI/HPC facilities, the key unresolved question is practical and measurable: how quickly can the software stack translate a grid request into a real change in GPU power at the facility meter, where commitments are settled? We answer this on real hardware with GridPilot, a three-tier predictive controller operating across milliseconds, seconds, and hours, augmented by a deterministic safety-island bypass for fast response. On a three-GPU NVIDIA V100 testbed, GridPilot achieves a measured end-to-end trigger-to-target response of 97.2 ms, which is 6.9x faster than the 700 ms requirement of Nordic Fast Frequency Reserve. We further incorporate an instantaneous Power Usage Effectiveness (PUE) correction so dispatched commitments remain robust at meter level rather than only at IT load level. In replay experiments across six representative European grids (from Sweden to Poland), the PUE-aware controller closes 2.5-5.8 percentage points of cooling-overhead drag. GridPilot is released as open source and serves as a proof of concept that MW-scale AI/HPC demand can be engineered as controllable, grid-responsive flexibility by design.
中文解读
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。
参考文献
Denisa-Andreea Constantinescu, David Atienza. GridPilot: Real-Time Grid-Responsive Control for AI Supercomputers[J/OL]. (2026-05-26)[2026-06-05]. http://arxiv.org/abs/2605.26384v1.
Energy-Aware Computing in the Year 2026
High-Performance Computing (HPC) has recently entered the Exascale era, and considerable efforts are being made to fully harness th…
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Energy-Aware Computing in the Year 2026
- 发布时间
- 2026-05-23
- 作者
- Roblex Nana Tchakoute、Claude Tadonki
- 主题
- AI 运维优化
摘要
High-Performance Computing (HPC) has recently entered the Exascale era, and considerable efforts are being made to fully harness this potential power for large-scale applications, such as cutting-edge generative AI (training and exploitation). The corresponding energy consumption is very high, and forecasts are alarming, making this metric a critical systemic bottleneck. Addressing this issue presents a genuine challenge for the entire cloud-edge-HPC continuum at all scales, from low-power IoT microcontrollers to multi-megawatt data centers. Beyond financial costs, green computing is driven by considerations related to climate change and environmental concerns such as carbon footprint ($CO_2e$), as well as constraints on energy production and supply, leading to a real need to regulate {\em information and communication technology} (ICT) activities. This article presents a comprehensive overview of energy-efficient computing, taking into account the most recent and significant contributions. Based on this exploration of the state of the art, we design and describe a holistic taxonomy of the aforementioned publications, structured around various perspectives, including {\em hardware and software aspects, measurement instrumentation, software optimizations, dynamic task scheduling, voltage scaling, workload consolidation, federated learning}, and {\em cooling}. Particular emphasis is placed on large-scale AI, which receives significant attention due to its considerable resource requirements. We conclude with an analysis of a forward-looking roadmap that considers the main perspectives of sustainable computing.
中文解读
背景：AI 数据中心负载、功率密度和能源约束同步上升，AI 运维、负载预测和设施调优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AI 工具是否能降低运维复杂度并提升可用性。仍需结合全文实验条件、样本范围和成本假设核验。
参考文献
Roblex Nana Tchakoute, Claude Tadonki. Energy-Aware Computing in the Year 2026[J/OL]. (2026-05-23)[2026-06-05]. http://arxiv.org/abs/2605.24569v1.
ScaleAcross Explorer: Exploring Communication Optimization for Scale-Acro…
The rapid scaling of large language model training requires distributing GPU resources across multiple data center buildings and re…
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ScaleAcross Explorer: Exploring Communication Optimization for Scale-Across AI Model Training
- 发布时间
- 2026-05-23
- 作者
- Minghao Li、Alicia Golden、Samuel Hsia、Michael Kuchnik、Adi Gangidi、Xu Zhang、Ashmitha Jeevaraj Shetty、Zachary DeVito
- 主题
- 芯片与算力
摘要
The rapid scaling of large language model training requires distributing GPU resources across multiple data center buildings and regions. We refer to such paradigm as "scale-across" training. As infrastructure expands, the system design space becomes increasingly intricate, encompassing new model architectures, hardware heterogeneity, and evolving communication patterns. Drawing from Meta's production experience, we highlight the complexities of deploying training jobs across a few data centers housing hundreds of thousands of GPUs. To accelerate exploration of the large design space and to enable efficient training for frontier model development, we conduct in-depth characterization of three key design dimensions: parallelism placement, parallelism scheduling, and network layer technologies. We then propose ScaleAcross Explorer, an optimizer that considers the interplay of design dimensions and holistically optimizes scale-across training. Testbed experiments and simulations demonstrate up to 64.62% training speedups over production configuration and up to 37.59% training speedups over the state-of-the-art baseline across a wide range of design points.
中文解读
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：研究重点指向跨地域数据中心负载与电力资源之间的调度关系。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。
参考文献
Minghao Li, Alicia Golden, Samuel Hsia, 等. ScaleAcross Explorer: Exploring Communication Optimization for Scale-Across AI Model Training[J/OL]. (2026-05-23)[2026-06-05]. http://arxiv.org/abs/2605.24326v1.
Competitive Online Peak-Demand Minimization using Energy Storage
Cambridge Energy and Environment Group · 检索词：ACM SIGEnergy data center energy talk。适合作为技术背景或研究趋势补充。
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Data Center Leaders on Building AI’s Infrastructure
Bloomberg Live · 检索词：AI data center energy conference keynote。适合作为技术背景或研究趋势补充。
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Keynote: Dr Paolo Bertoldi, Improving Energy, Carbon and Water Efficiency…
ICT4S Conference 2025 · 检索词：AI data center energy conference keynote。适合作为技术背景或研究趋势补充。
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Microsoft Build 2026 | Opening Keynote
Microsoft · 检索词：AI data center energy conference keynote。适合作为技术背景或研究趋势补充。
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The environmental impact of AI | Isha Gollapudi | TEDxNormal
TEDx Talks · 检索词：AI data center energy conference keynote。适合作为技术背景或研究趋势补充。
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电力并网与能源约束
本期命中 7 条，热度分 21。可作为论文检索、技术路线和后续研究跟踪关键词。
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AI 芯片供给与交付
本期命中 2 条，热度分 6。可作为论文检索、技术路线和后续研究跟踪关键词。
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PUE/WUE 与能效优化
本期命中 2 条，热度分 6。可作为论文检索、技术路线和后续研究跟踪关键词。
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产业
产业新闻、技术产品、政策标准、投融资、项目和产业视频。
ASHRAE Ireland Technical Webinar - Efficiency in Data Center's Cooling Sy…
ASHRAE Ireland · 检索词：ASHRAE data center cooling webinar。用于补充产业、产品或工程部署观察。
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Design Strategies for Modern ORs and Patient Care Facilities
Buckley Associates · 检索词：ASHRAE data center cooling webinar。用于补充产业、产品或工程部署观察。
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OCP Cooling A Solution for Todays Data Centers Dr Tim Shedd Resul Altinki…
Klimasun · 检索词：OCP data center cooling workshop。用于补充产业、产品或工程部署观察。
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产业热度指数 6/10
产业热度指数为 6/10：本期自动化检索记录到 8 条候选条目，指数按候选条目数量、来源可信度和栏目覆盖度保守计算。
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NVIDIA Blackwell/GB200/GB300
昨日热度高，今日暂无新增高可信条目
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AI 芯片供给与交付
今日延续上榜
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智算中心 CapEx/扩建
昨日热度高，今日暂无新增高可信条目
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4. 最新视频观察
ASHRAE Ireland Technical Webinar - Efficiency in Data Center's Cooling System - How To?
标准组织讲座 · ASHRAE Ireland · 检索词：ASHRAE data center cooling webinar
在 YouTube 打开Competitive Online Peak-Demand Minimization using Energy Storage
学术讲座 · Cambridge Energy and Environment Group · 检索词：ACM SIGEnergy data center energy talk
在 YouTube 打开Data Center Leaders on Building AI’s Infrastructure
学术会议报告 · Bloomberg Live · 检索词：AI data center energy conference keynote
在 YouTube 打开Design Strategies for Modern ORs and Patient Care Facilities
标准组织讲座 · Buckley Associates · 检索词：ASHRAE data center cooling webinar
在 YouTube 打开Keynote: Dr Paolo Bertoldi, Improving Energy, Carbon and Water Efficiency in Data Centres and AI
学术会议报告 · ICT4S Conference 2025 · 检索词：AI data center energy conference keynote
在 YouTube 打开Microsoft Build 2026 | Opening Keynote
学术会议报告 · Microsoft · 检索词：AI data center energy conference keynote
在 YouTube 打开OCP Cooling A Solution for Todays Data Centers Dr Tim Shedd Resul Altinkilic
行业论坛 · Klimasun · 检索词：OCP data center cooling workshop
在 YouTube 打开The environmental impact of AI | Isha Gollapudi | TEDxNormal
学术会议报告 · TEDx Talks · 检索词：AI data center energy conference keynote
在 YouTube 打开来源链接区
本次检索说明
- 当前自动化环境未配置 Tavily、Bing News 或 SerpAPI 检索密钥；脚本将使用公开 RSS/Atom、公共 arXiv 接口与固定监测源，不会编造产业新闻。
- Semantic Scholar：未配置 SEMANTIC_SCHOLAR_API_KEY，本期未调用。
- Semantic Scholar：未返回符合条件论文，已回退到 arXiv 公共接口。
- 公开 RSS/Atom：Data Center Dynamics：检索失败，原因：fetch failed
- 公开 RSS/Atom：The Register：检索失败，原因：fetch failed
- 公开 RSS/Atom：ServeTheHome：检索失败，原因：fetch failed
- 公开 RSS/Atom：Data Center Knowledge：检索失败，原因：fetch failed
- 公开 RSS/Atom：HPCwire：检索失败，原因：fetch failed
- 公开 RSS/Atom：NVIDIA Blog：检索失败，原因：fetch failed
- YouTube：检索失败，原因：fetch failed
- arXiv：检索失败，原因：fetch failed
- 论文推荐：当日未形成新候选，按上一日排序池顺延补位。
- 视频推荐：当日未形成新候选，按上一日排序池顺延补位。