Radiators and Fan Arrangement Questions to improve performance

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SUMMARY

This discussion focuses on optimizing radiator performance in watercooling setups by analyzing fan arrangements. Key fan models mentioned include the 120mm Yate Loon D12SM-12 and the 140mm Yate Loon D14SM-12, each with specific airflow and noise characteristics. The conversation highlights various configurations such as stacked push, stacked pull, and push-pull for both fan sizes. Additionally, it emphasizes the importance of fan performance curves and radiator design airflow and pressure drop for making informed decisions on fan arrangements.

PREREQUISITES
  • Understanding of watercooling components, including radiators and pumps.
  • Familiarity with fan specifications, including RPM, CFM, and dBA.
  • Knowledge of airflow dynamics and pressure drop in cooling systems.
  • Ability to interpret fan performance curves for optimal configuration.
NEXT STEPS
  • Research fan performance curves for the Yate Loon D12SM-12 and D14SM-12 models.
  • Explore the impact of radiator design on airflow and pressure drop.
  • Investigate the advantages of push-pull fan configurations in watercooling setups.
  • Compare cooling efficiency between 120mm and 140mm fan arrangements on similar radiators.
USEFUL FOR

This discussion is beneficial for PC enthusiasts, watercooling hobbyists, and system builders looking to enhance cooling performance through effective fan arrangements and radiator configurations.

kinghong1970
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Hi guys,
great forum you have here...

basically, a couple of years ago, I've gotten involved in the hobby of watercooling computers by adding a radiator, pump and waterblocks on the cpus and other heat sources.

well, as I've been researching builds by other folks, i notice that some folks put fans on their radiators in various methods...

i just have some questions that perhaps you guys can help with...

120mm Fans:

Stacked Push:
TFC480120mmStackedPush.jpg


Stacked Pull:
TFC480120mmStackedPull.jpg


Push Pull:
TFC480120mmPushPull.jpg


140mm Fans + 40mm Tapered Shroud

Stacked Push
TFC480140mmStackedPush.jpg


Stacked Pull
TFC480140mmStackedPull.jpg


the fans used quite commonly are:

120mm Yate Loon
Model: D12SM-12
Fan Size: 120mm x 120mm x 25mm
Speed: 1650 +/- 10% RPM
Airflow: 70.5 CFM
Noise: 33.0 dBA
Bearing: Sleeve
Voltage: 12 V
Current: .3 Amp Max
Fan Life: 30,000 hours
Connector: 3pin and 4pin pass-through connector

140mm Yate Loon
Model: D14SM-12
Fan Size: 140mm x 140mm x 25mm
Speed: 1400 +/- 10% RPM
Airflow: 62 CFM
Noise: 29.0 dBA
Bearing: Sleeve
Voltage: 12 V
Current: .7 Amp Max
Connector: 3pin and 4pin pass-through connector


1) now, in the 120mm fan arrangements, what would be the better fan arrangement of choice to improve the performance of the radiator?

2) in the 140mm fan arrangements, will there be an improvement over 120mm fan in similar arrangements, say stacked push 120mm vs stacked push 140mm?

3) with the 140mm fans, which would be perfered choice of arrangements to improve radiator performance?

4) is there an advantage of using 140mm fans to feed a 120mm fan sized radiator?

i hope that this was not inappropriate for this forum...

thanks in advance.
 
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To find these answers, you really need to be able to look at fan performance curves. Are they available for these fans? It would also be helpful to have radiator design airlow and pressure drop.
 

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