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Using CFD to Improve Valve and Pump Performance
Posted Thu November 05, 2015 @03:46PM
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Application CFD ads often amaze us by showing flows over racing cars,advanced aircraft or other objects that we easily relate to. In contrast, CFD is also used to improve the performance of valves and pumps, seemingly more mundane applications.  However, valves and pumps are found in almost all fluid systems, so the additive impact of these performance improvements can be significant.

( Read Full Article )

University of South Florida Races with Pointwise
Posted Tue October 20, 2015 @05:49AM
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Application Alexander Kim
B.S. Mechanical Engineering Candidate
University of South Florida

The University of South Florida’s Formula SAE racing team, USF Racing, placed 6th overall out of more than 80 teams competing at the Formula SAE competition in Lincoln, Nebraska in June 2015. It was only the second year we competed in the category. Using Pointwise helped our team to have a successful season.

( Read Full Article )

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.

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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.

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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 )

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