Gaseous fluid generation system

A method for generating a gaseous fluid, comprising the steps of:

• a) directing a liquid fluid into a reservoir-less columnar vessel having a liquid fluid inlet and a gaseous fluid outlet and oriented such that the gaseous fluid outlet is elevated with respect to the liquid fluid inlet and also having at least one metal-covered resistive heating element contained within the columnar vessel;
• and
• b) transferring energy provided through the resistive heating element to the liquid fluid to effect a phase transition, thereby producing a gaseous fluid from the liquid fluid prior to exiting the columnar vessel, and wherein the pressure of the liquid fluid entering the columnar vessel is varied such that a constant volumetric flow of the liquid fluid into the vessel is maintained.

A columnar heating device, comprising:

• a) a reservoir-less columnar vessel having a liquid fluid inlet and a gaseous fluid outlet;
• and
• b) at least one metal-covered resistive heating element contained within the columnar vessel, wherein the resistive heating element has a power density selected to heat a liquid fluid and a gaseous fluid, and wherein the pressure of the liquid fluid entering the columnar vessel is varied such that a constant volumetric flow of the liquid fluid into the vessel is maintained.