Abstract

Characteristics of Ammonia Spray Injected by Pressure-Swirl Atomizers

Highlights

  • Replacing a significant percent of fossil fuel energy with renewable energy is important in the fight against global warming

  • The objective of the present study is to investigate the spray characteristics of liquid ammonia injected by pressure-swirl atomizers

  • When ammonia is supplied by vapor pressure in the cylinder without cooling, decompression evaporation of ammonia liquid may occur in both the supply line and the spray nozzle due to pressure drops

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Summary

Introduction

Replacing a significant percent of fossil fuel energy with renewable energy is important in the fight against global warming. Most renewable energy such as wind, solar and geothermal is typically intermittent and regional. Storage and transportation of the energy in battery or chemical forms are necessary for the utilization in urban areas with a high energy consumption. Both hydrogen (H2) and ammonia (NH3) are considered as potential carbon-free energy carriers for renewable sources. Hydrogen has unsolved challenges in safety and economic storage and transportation. Mature technology for industrial scale production, storage and transportation of ammonia has been developed in its long history serving as the raw material of agricultural fertilizer

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