ANSYS Advantage BUILDING ON A GLOBAL REPUTATION. Volume V, Issue 2
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Mother of Invention
When my first son, Danial, was born, it was my job to take the expressed milk out of the fridge and heat it up while he cried to be fed. My wife said, “You are an engineer. Can’t you do something useful?” To see what would happen, I assigned my engineering consulting business, Intelligent Fluid Solutions (IFS) Ltd., to come up with an easy way to warm liquids fed to babies. The concept of the yoomi selfwarming baby feeding bottle was thus born. I now work full time with the company yoomi, which has sold thousands of bottle warmers.
the yoomi is a combined package of baby bottle and warmer. At the touch of a button, it gently warms liquid food to the exact temperature of breast milk, quickly and safely. the design challenge was to take fresh milk from 5 C to 34 C within one minute of activation across a full range of baby drinking speeds.
While engineering a way to heat the bottle, IFS engineers looked at a number of chemical and electrical heaters and decided to use sodium acetate trihydrate. this component is used in heating pads and hand warmers because it gives off heat when it changes phase; in addition, it can be easily recharged by boiling. the challenge was that the initial prototype heated the nutritional fluids to only 17 C, half the needed temperature.