9
Flow Through Nozzles
Contents
9.1 Introduction
9.2 Types of steam nozzles
9.3 Flow of steam through nozzle
9.4 Discharge through nozzle and critical pressure ratio
9.5 Effect of friction and nozzle efficiency
9.6 Supersaturated flow
9.7 Relation between area, velocity and pressure in nozzle flow
9.8 Characteristics of converging–diverging nozzle
9.9 Steam injector
9.10 Questions
9.1 INTRODUCTION
Steam nozzle is an essential device used to generate high kinetic energy. This energy is used for different purposes, namely in injectors to pump feed water into boilers, to maintain vacuum in condensers and also in turbines to run rotors. In steam turbines, the nozzle plays an important role by converting enthalpy of steam into kinetic ...
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