Engineering NACA airfoils aeroacoustics aligned tubes atmospheric conditions bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues bic Book Industry Communication::T Technology, engineering, agriculture::TB Technology: general issues::TBX History of engineering & technology cavity penetration length cavity plume shape condensation potential control volume spray chamber converging diverging nozzle cooling rate copper coil direct contact condensation direct-contact condensation electronic devices flow noise flow separation fluid dynamics fuel penetration length fully passive airfoil gust response heat of vaporization heat transfer heat transfer coefficient heat transfer enhancement inclination angle interceptingshock wave latent