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Browse Prior Art Database

Boiling Point Change Sensor

IP.com Disclosure Number: IPCOM000073446D
Original Publication Date: 1970-Dec-01
Included in the Prior Art Database: 2005-Feb-22
Document File: 2 page(s) / 34K

Publishing Venue

IBM

Related People

Hwang, UP: AUTHOR

Abstract

As the temperature at which electronic components must be maintained becomes more critical, the measurement and control of the boiling point of the cooling liquid in a nucleate boiling cooling system becomes more important. The boiling point of a coolant mixture changes due to vapor losses in the cooling system.

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Boiling Point Change Sensor

As the temperature at which electronic components must be maintained becomes more critical, the measurement and control of the boiling point of the cooling liquid in a nucleate boiling cooling system becomes more important. The boiling point of a coolant mixture changes due to vapor losses in the cooling system.

The sensing element 10 is used as an input to an automatic control system for controlling the boiling point of the coolant mixture 11. The sensing element 10 is made of a thin wall tube 12. An electric circuit 14 supplies the power to the tube 12, such that fully developed nucleate boiling occurs within the liquid in the tube. It will be appreciated that the nucleate boiling has a cooling effect. Any change in the boiling point of the liquid 11 changes the temperature of the hot tube 12. Accordingly, a thermocouple can be included which measures the change in temperature and provides an output which is used in an automatic control loop.

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