Analyzing the effects of aisle capping in the server room!
In server rooms and data centers, there are many servers and IT equipment, and heat management is essential for their stable operation. As a countermeasure, the exhaust fans on the back of the server racks are positioned to face each other, creating a pathway (hereinafter referred to as the hot aisle) that primarily directs exhaust from the racks upward. Conversely, the intake sides at the front of the server racks are also positioned to face each other, creating a pathway (hereinafter referred to as the cold aisle) that primarily introduces cool air from the floor into the server racks. This arrangement allows for efficient exhaust. However, at the top of the server racks, there is a risk of drawing in high-temperature exhaust from the equipment (short-circuiting), so we considered countermeasures and conducted a comparison based on the presence or absence of a partition (hereinafter referred to as aisle capping) at the top of the cold aisle. For more details, please download the catalog.
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【Analysis Model and Conditions】 - The size of the analysis model is 23m × 16m × 3.8m, with a grid count of 425,375. - The interior features a raised floor, with 8 air conditioning units installed. - Server racks are arranged to form hot aisles and cold aisles. - The heat generation condition is solely from the servers, with a total heat output of 440,000W. - The air conditioning method involves blowing cold air from the bottom of the air conditioning units under the floor and sucking air in from the top of the units. - The total airflow is 160,000m3/h, with a discharge temperature of 17°C and a set room temperature of 24°C. 【Analysis Results】 - It was observed that the air conditioning air from under the floor is supplied to the racks from the cold aisle side and exhausted to the hot aisle side. - Without cold aisle containment, there are high-temperature areas above the server racks. - With cold aisle containment, there is no short-circuiting above the servers. - Cold aisle containment can prevent short-circuiting. - Cold aisle containment allows for the maintenance of temperature within the cold aisle. → Cold aisle containment is effective in suppressing temperature rise above the server racks. ● For more details, please contact us or download the catalog.
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In environmental simulation, we develop and sell proprietary 3D fluid analysis programs and provide contract analysis services using these software tools. For over a decade, we have been engaged in thermal fluid analysis in fields such as architecture, civil engineering, machinery, and electronics, handling numerous analyses and accumulating a wealth of know-how and knowledge. Our diverse analysis and visualization functions, honed through practical experience, have received high praise as CFD software from many companies and research institutions. ● Import functionality for BIM-compatible CAD data such as Revit and DXF ● Map information (GIS) data import functionality ● SuperCartesian functionality that freely represents diagonal boundaries and complex curved surfaces ● High-speed, high-precision radiation calculations and high-precision turbulence analysis using DNS ● Moving boundary problem analysis functionality that accommodates the movement of multiple objects in space ● User-friendly interface and easy-to-understand animation features In addition to software support, we also accept contract analyses. Focusing on air conditioning ventilation and wind environment analysis, we provide high cost-performance solutions for a wide range of problems, from simple, small-scale issues to complex, large-scale analyses. We look forward to your visit, along with our abundant analysis case studies.
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