Journal ArticleDOI
Predictive Model Development and Validation for Raised Floor Plenum Data Center
Reads0
Chats0
TLDR
This paper develops a data-informed, experimentally validated and computationally inexpensive system level predictive tool that can forecast data center behavior for a broad range of operating conditions and expects that this model can form an important building block in a future intelligent, increasingly automated data center environment management systems.Abstract:
With the explosion in digital traffic, the number of data centers as well as demands on each data center, continue to increase. Concomitantly, the cost (and environmental impact) of energy expended in the thermal management of these data centers is of concern to operators in particular, and society in general. In the absence of physics-based control algorithms, computer room air conditioning (CRAC) units are typically operated through conservatively predetermined set points, resulting in suboptimal energy consumption. For a more optimal control algorithm, predictive capabilities are needed. In this paper, we develop a data-informed, experimentally validated and computationally inexpensive system level predictive tool that can forecast data center behavior for a broad range of operating conditions. We have tested this model on experiments as well as on (experimentally) validated transient computational fluid dynamics (CFD) simulations for two different data center design configurations. The validated model can accurately forecast temperatures and air flows in a data center (including the rack air temperatures) for 10–15 min into the future. Once integrated with control aspects, we expect that this model can form an important building block in a future intelligent, increasingly automated data center environment management systems.read more
Citations
More filters
New perspectives on internet electricity use in 2030
TL;DR: It is concluded that future consumer ICT infrastructure cannot slow its overall electricity use until 2030 and it will use more than today.
Journal ArticleDOI
Predictive modeling of thermal parameters inside the raised floor plenum data center using Artificial Neural Networks
TL;DR: This study aims to examine the ANN-based model with Multi-Layer Perceptron (MLP) to predict thermal variables such as rack air temperature inside data centers and recommends the use of ANN models for fast and accurate prediction of thermal parameters to achieve real-time control of the data center system.
Journal ArticleDOI
Vortex-enhanced thermal environment for air-cooled data center: An experimental and numerical study
Xin Xiong,Poh Seng Lee +1 more
TL;DR: In this article, the authors presented a new enclosure mechanism for air-cooled data center using a vortex flow as an alternative to the conventional hot aisle containment to reduce the hot recirculation and, at the same time, retain the server air flowrate.
Journal ArticleDOI
Experimental Analysis of Airflow Uniformity and Energy Consumption in Data Centers
TL;DR: In this article , the authors investigated temperature and airflow uniformity along with energy consumption analysis on the laboratory container size small data center and found that 50% porous tile provided the best airflow and temperature uniformity for the case of partial containment with full and 25% reduced heat load along with full, 30% reduced CRAH speed respectively.
Journal ArticleDOI
A numerical investigation of fan wall cooling system for modular air-cooled data center
TL;DR: In this paper, Fan Wall Cooling (FWC) is used in air-cooled data centers due to the advantage of no raised floor plenum, and five new configurations are proposed to optimize the FWC performance along with ordinary FWC.
References
More filters
Book
System Identification: Theory for the User
TL;DR: Das Buch behandelt die Systemidentifizierung in dem theoretischen Bereich, der direkte Auswirkungen auf Verstaendnis and praktische Anwendung der verschiedenen Verfahren zur IdentifIZierung hat.
Journal ArticleDOI
Ridge regression: biased estimation for nonorthogonal problems
TL;DR: In this paper, an estimation procedure based on adding small positive quantities to the diagonal of X′X was proposed, which is a method for showing in two dimensions the effects of nonorthogonality.
Journal ArticleDOI
Energy-Efficient Thermal-Aware Task Scheduling for Homogeneous High-Performance Computing Data Centers: A Cyber-Physical Approach
TL;DR: Results from small-scale data center simulations show that solving the formulation leads to an inlet temperature distribution that, compared to other approaches, is 2 degC to 5 degC lower and achieves about 20 to 30 percent cooling energy savings at common data center utilization rates.
Proceedings ArticleDOI
Weatherman: Automated, Online and Predictive Thermal Mapping and Management for Data Centers
TL;DR: Experimental results from a representative data center show that automatic thermal mapping can predict accurately the heat distribution resulting from a given workload distribution and cooling configuration, thereby removing the need for static or manual configuration of thermal load management systems.