Chapter 5

Cryogenics

Abstract

In this chapter, a general introduction to thermal phenomena at cryogenic temperature is presented. Typical applications are discussed and then pressurization and thermal stratification in liquid hydrogen tanks are analyzed numerically. The tanks are exposed to heat-in-leaks from the environment.

Keywords

Kapitza number; Kapitza resistance; Liquid hydrogen tank; Pressurization; Superconductivity; Thermal stratification

5.1. Introduction

This chapter presents applied heat transfer principles in the range of extremely low temperatures. The specific features of heat transfer at cryogenic temperatures, such as variable properties, near-critical convection, and the Kapitza resistance, are described. The chapter will include ...

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