An apparatus and method of controlling freezing in a liquid system is disclosed. The apparatus includes a heat exchanger having a initial zone characterized by a surface area to volume ratio. The apparatus also includes means for initiating freezing of a fluid from the initial zone to facilitate volume...http://www.google.ca/patents/US7293423?utm_source=gb-gplus-sharePatent US7293423 - Method and apparatus for controlling freezing nucleation and propagation
