X CONTENTS. 



CHAPTER IX. 



VISCOSITY. 

 ART. PAGE 



174, 175. Specification of the state of stress at any point of a viscous fluid . 215 



Equations of motion. 

 176, 177. Formulas of transformation 216 



Relations between the stresses across different planes. 



178. Stresses in terms of rates of strain . . ... . . 218 



Coefficient of viscosity. 



179. Dissipation-function . . . 220 



180, 181. Equations of motion . . .221 



Boundary-conditions. 



182185. Examples : Flux through a straight tube 223 



Effect of viscosity on motion of sound. 

 Uniform motion of a sphere. 



NOTES. 



A. Establishment of the fundamental equations on the molecular hypothesis 231 



B. Multiply-connected regions. Definitions self-consistent. Barriers . . 237 

 G. Formula for component momenta of a solid immersed in a liquid . . 239 



D. Vortex-motion 241 



E. On the resistance of fluids . . 244 



LIST OF MEMOIRS AND TREATISES . . 249 



EXERCISES 252 



