# Statistical mechanics of transport processes in active fluids: Equations of hydrodynamics

## TL;DR

This paper derives hydrodynamic equations for active fluids composed of rotary dumbbells driven by internal torques, providing a statistical mechanics framework for transport processes.

## Contribution

It introduces a coarse-grained derivation of hydrodynamic equations specifically for active fluids with internal torques, extending traditional fluid mechanics.

## Key findings

- Hydrodynamic equations incorporate active torque effects.
- The model captures transport phenomena in active fluids.
- Provides a basis for analyzing complex active matter systems.

## Abstract

The equations of hydrodynamics including mass, linear momentum, angular momentum, and energy are derived by coarse-graining the microscopic equations of motion for systems consisting of rotary dumbbells driven by internal torques.