Determining the freezing point of propellant by Hortvet method (CAT#: STEM-PPA-0159-LJX)

Introduction

Liquid single-component propulsion technology is the core technology of satellite attitude and orbit control adjustment. It has the advantages of simple working system, small size, high reliability and good adaptability. Since the 1960s, hydrazine has been the dominant standard single-component liquid propellant in aerospace applications, but it has low specific impulse, high freezing point, high toxicity, and flammable and explosive, requiring expensive ground support and support systems. Therefore, the development of non-toxic, non-polluting, high-performance single-component green propulsion technology that can replace hydrazine has become an urgent need for the development of space power. Since the propellant system is often used in environmental conditions with large temperature differences, it is necessary to ensure that the system can maintain a uniform liquid state under harsh temperature conditions.