1. Priciples of the Hot Air Balloon
The density gradient of air inside the balloon and air outside allows resultant buoyancy, as long as the density of air trapped in balloon is lower than that of surrounding air , . ... Parts of a Hot Air Balloon The envelope is the actual part of the 'balloon'. ... The hot air inside the balloon will be referred to as hot air (subscript h). The buoyant force acting on the balloon is equal to the weight of displaced cold air of the balloon. ... In an ideal hot air balloon: ć Pć_c=P_h=P V_c=V_h=V Where P=pressure of surroundings/air inside the balloon (Pa)...
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- Grade Level: High School