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CFD and Experimental Tests Help Improve Fan Models for Electronics
Posted Wed September 30, 2015 @08:31AM
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Application Cooling fan air flow inside electronic devices is critical for component cooling. Yet traditional representation of the fan by the Pressure-Flow (PQ) curve and swirl ratio make for a simple fan model but over-simplifies the actual physics.

In this narrated interview, Professor Hajime Nakamura, from the National Defense Academy of Japan, discusses how the combination of CFD simulations using Cradle SC/Tetra software and experimental tests were used to explore and improve cooling fan model characterization.

( Read Full Article )

Supersonic Jet in Crossflow Analysis with Pointwise and CFD++
Posted Wed September 09, 2015 @08:50PM
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Application Amar Potturi,
Metacomp Technologies, Inc.

Lateral jets can be used in place of control vanes and articulated surfaces for supersonic missile control. The main advantages of lateral jets are faster response times and control effectiveness at high altitudes where the low air density reduces the effectiveness of conventional controls. However, the flowfield around a jet in crossflow is quite complex with shock waves, separated flow, shear layers, and vortices all interacting to affect the control forces.

( Read Full Article )

CFD as a Part of Total Air Conditioning System Energy Management
Posted Wed August 12, 2015 @10:51AM
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Application The importance of air conditioning energy conservation is often a secondary consideration, compared to our comfort, until we realize a negative impact. In Japan, energy consumption by residential and commercial buildings was found to consume one third of the total energy used by the entire country. Of this, half of commercial energy use was from air conditioning.

Japan's limited natural resources makes it imperative to conserve energy. Hence, optimizing air conditioning performance and energy usage are critical.

( Read Full Article )

CFD and Bluefin Tuna
Posted Wed July 15, 2015 @09:40PM
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Application CFD has many interesting applications. One of these is the use of Cradle SC/Tetra CFD software, by Professor Tsutomu Takagi at the Kinki University (Japan) Department of Fisheries, to evaluate drag forces on bluefin tuna.

Bluefin tuna, considered to be the "diamonds of the sea", are able to swim nearly 90 km/h (56 mph) and account for only 2% of tuna catches.

( Read Full Article )

Garry Rogers Motorsports Continues Racing Success with Pointwise
Posted Thu July 02, 2015 @05:12PM
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Application By Scott Burch
Garry Rogers Motorsport

The year 2015 marks the 4th year that the Garry Rogers Motorsport (GRM) team has enjoyed the advantages of using the Pointwise computational fluid dynamics (CFD) dedicated meshing software to produce detailed, high fidelity meshes for the design and improvement of our Volvo Polestar S60 V8 supercars.

The 2014 results speak for themselves with five race wins, ten pole positions (equaling the highest for the year) and our driver Scott McLaughlin’s qualifying average of 3.8, the highest of any driver in the series.

( Read Full Article )

CFD Makes Impact in the Textile Business
Posted Wed June 03, 2015 @12:00PM
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Application Fluid/Thermal analysts don't usually think about the textile industry when they discuss applications for CFD Software. But Murata Machinery, Ltd, a leading designer and manufacturer of textile machinery in Kyoto, Japan has been using CFD since the 1990s.

Murata uses Cradle SC/Tetra CFD software to help design machines and tooling that use air flow to spin textiles.

( Read Full Article )

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