Cooling water flow measurement in medical applications

Published: 20-May-2024

Ensuring precise flow measurement for optimal cooling in critical medical applications

In cooling water systems, water is used to remove heat from a process or instrument. Such systems provide cooling for critical processes found in hospitals and medical applications, pharmaceutical production, food and beverage process facilities, and data centers. Because water can conduct heat about 30 times faster than air, using water or a water mix as the cooling medium enables a highly efficient liquid cooling system, vital for the operation of electronic systems, medical appliances, and highly sensitive instruments.

Neil Hannay, Senior R&D Engineer with Titan Enterprises, says: "Selecting an appropriate flow meter for a cooling water system is just as vital as the operational process itself." Flow monitoring helps to optimize plant or system efficiency, save energy, control chemical costs, and enhance overall profitability.

Cooling Liquid Flow Meters for Medical Treatment Applications

1. Metering laser coolant flow
There are numerous applications for medical lasers: tattoo removal, cosmetic and dermatologic surgery, and eye surgery, for example. Lasers generate a significant amount of heat that needs to be quickly and effectively dissipated to ensure the stable long-term performance of the instrument. Water circulated through a chiller and heat transfer system is a popular cooling method for lasers; in active contact cooling, the heat generated by the device is actively removed by thermoelectric elements or flowing liquid cooling agents. Titan’s 800 series turbine flow meters are integrated into several leading medical laser systems to provide consistent laser cooling through accurate and repeatable water flow measurement.

2. Monitoring coolant flow during chemotherapy treatment
An innovative liquid-based cooling system by Paxman Coolers Ltd utilizes Titan’s NSF-approved mini turbine flow meters to monitor the rate of coolant flow around the patented cooling cap during chemotherapy treatment. The scalp cooling technology can alleviate the damage caused to the hair follicles by reducing the temperature of the scalp by a few degrees before, during, and after chemotherapy treatment. Titan’s mini turbine flow meter is considered ideal for the Scalp Cooling System because it offers an excellent balance of measurement accuracy, long-term resistance to coolant fluids, high reliability, and is proven easy to maintain and cost-effective.

The bottom line for cooling liquid water systems is reliable monitoring and ensuring there is adequate flow of coolant to the downstream instrument or process, thus mitigating serious problems caused by overheating. Visit Titan Enterprises’ website for further information on flow measurement or to discuss specific OEM applications. Please contact Titan Enterprises at +44 (0)1935 812790 or email

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