Marangoni effects on the boiling of 2-propanol/water mixtures in a confined space

摘要: Abstract In this study, boiling experiments were conducted with 2-propanol/water mixtures in a confined gap under various gravity levels to examine the Marangoni effects on near-bubble microscale transport. Full curves obtained and two regimes determined––nucleate pseudo film boiling. The transition condition critical heat flux also identified. Relative pool boiling, geometry caused lower CHF values, deteriorated transfer at high superheated temperatures. This influence was particularly significant when greater forces present reduced conditions. results of study demonstrate complex interaction that these three factors––Marangoni force, level, size––have transfer.