Experimental study on filmwise condensation of convective steam on helical tubes with film visualization

Key Points

• Helical tubes enhance filmwise condensation efficiency, leading to better heat transfer outcomes.
• The study identifies significant improvements in thermal performance under various steam conditions, showing marked benefits.
• Experimental analysis provides insights using visual techniques to monitor condensation on surfaces, revealing detailed behaviors.
• The findings suggest design implications for future heat exchangers, emphasizing the need for optimized tube configurations.