Application of BT8200 liquid particle counter in liquid cooling system
Application of BT8200 liquid particle counter in liquid cooling system
Liquid particle counters are essential in liquid-cooled systems, particularly in high-power-density environments requiring precision thermal management. While liquid circulation effectively dissipates heat, particulate contaminants in the coolant may cause blockages, corrosion, reduced cooling efficiency, or even system failure. This article explores the practical applications and core value of liquid particle counters in liquid-cooled systems.
Data center liquid cooling system
Scene features:
Data center servers use liquid cooling (immersion or cold plate) instead of traditional air cooling. The cooling liquid (such as deionized water or electronic fluorine liquid) is in direct contact with the heating element, which has high heat dissipation efficiency, but requires strict liquid cleanliness.
Particulate matter problem:
Micron particles can block the microchannel cold plate or pump valve, resulting in reduced flow and local overheating.
Conductive particles may cause a short circuit.
Biological contaminants may breed, clog or corrode the pipeline.
Function of liquid particle counter:
Real-time monitoring: Online detection of particle concentration and size distribution (e.g., ≥2µm, ≥5µm, ≥15µm) in coolant to ensure compliance with specified cleanliness levels.
Preventive maintenance: When the particle concentration exceeds the limit, the alarm is triggered and the filter system is automatically cleaned to avoid the risk of shutdown.
superiority ：
Improve heat dissipation stability and reduce the risk of data center downtime due to overheating.
Liquid cooling system for power electronics
Scene features:
High-power semiconductor devices (such as IGBT) are precisely temperature-controlled through liquid cooling plates. The coolant (deionized water or ethylene glycol) flows through sub-millimeter channels, where even tiny particles can cause blockages.
Particulate matter problem:
Ion pollution: if the deionized water contains silicon and metal particles, it may reduce the insulation and cause electrochemical corrosion.
Fiber pollution: fibers from the filter element or sealing material are wrapped in the flow channel.
Function of liquid particle counter:
Process control: Cleanliness is checked before the coolant (deionized water, etc.) is filled to ensure no risk of blockage.
Long-term health management: Monitor particle concentration trends and predict filter life or system leakage risk.
Superiority ：
Ensure the heat dissipation performance of high-power devices and avoid damage due to overheating.
Situation of application
The Bebur BT8200 liquid particle counter simultaneously monitors particle size and quantity across eight channels. Utilizing the light scattering method, it effectively measures particles ranging from 2 to 750μm in diameter.
Sum up
The performance of the liquid cooling system is directly related to the cleanliness of the cooling liquid. The liquid particle counter becomes the "gatekeeper" to ensure the reliability of the liquid cooling system through real-time monitoring, early warning and closed-loop control.
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