Chapter 7 **Porous Ceramic Matrix Phase Change Composites for Thermal Control Purposes of Hypersonic Vehicle 153** Xiangfa Zhou

Preface

This book is a compilation of research articles describing the recent advances in some of the hypersonic technologies. The first section of the book consists of four chapters on "Aerody‐ namic Modeling and Numerical Simulations." The first chapter describes the numerical sim‐ ulations of rarefied hypersonic flows using the second-order constitutive model of the Boltzmann equation. The second chapter discusses the numerical simulation of hypersonic boundary layer receptivity due to free-stream pulse waves. The third chapter describes the numerical modeling of hypersonic aerodynamics and heat transfer for Martian descent module. The fourth chapter describes an investigative approach at the Phase-A design level for launcher aerodynamics using the CFD and analytical tools. The second section of the book is titled "Miscellaneous Topics." It has three chapters. The first chapter describes the modeling and analysis of fluid-thermal-structure coupling problems for hypersonic vehicles; the second chapter describes the hypersonic vehicles, following LQR design using timevarying weighting matrices; and the third chapter describes the study of porous ceramic phase change composite thermal control systems for hypersonic vehicles. Thus, the book covers a wide variety of topics related to some hypersonic technologies in seven chapters in a single volume. I hope that it can serve as a useful source of reference to both researchers

and students interested in learning about certain specific hypersonic technologies.

**Ramesh K. Agarwal**

USA

Washington University in St. Louis
