What is the primary difference between 'wet steam' and 'dry steam'?

The primary distinction between wet steam and dry steam lies in their composition. Wet steam consists of both water vapor and liquid water, which means that it has not fully transitioned to a gaseous state. This mixture can significantly impact the steam's energy transfer capabilities and efficiency in various applications, particularly in heating systems and turbines.

In contrast, dry steam is composed solely of water vapor, meaning it has completely evaporated, and there is no presence of liquid water. This state allows dry steam to carry more energy as it is more efficient in transferring heat when used in steam systems. Dry steam also results in less maintenance and corrosion concerns in equipment because it lacks the liquid component that can cause issues.

Understanding the difference is crucial for applications in engineering and heating systems, as the choice between wet and dry steam influences performance, efficiency, and overall system design.