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In this paper, we study thermodynamic features of the charged rotatingaccelerating black holes in anti-de Sitter spacetime. First, we consider theseblack holes as the thermodynamic systems and analyze thermalstability/instability through the use of heat capacity in the canonicalensemble. We also investigate the effects of angular momentum, electric chargeand string tension on the thermodynamic quantities and stability of the system.Considering the known relation between pressure and the cosmological constant,we extract the critical quantities and discuss how the mentioned parametersaffect them. Then, we construct a heat engine by taking into account this blackhole as the working substance, and obtain the heat engine efficiency byconsidering a rectangle heat cycle in the $P-V$ plane. We examine the effectsof black hole parameters on the efficiency and analyze their effective roles.Finally, by comparing the engine efficiency with Carnot efficiency, weinvestigate conditions in order to have a consistent thermodynamic second law.

Thermal Stability, P-V Criticality and Heat Engine of Charged Rotating Accelerating Black Holes