The cooling and ventilation of an underground diesel engine room was simulated by Airpak software.

This paper proposes that it is necessary to replace the diesel engine power station by adopting PEMFC generators to constitute a non-smoking, non-camouflage, clean and high-efficient mothball power source in the existing underground engineering.

Design of ventilating and cooling system for diesel power station in civil air defenses;

Analysis on influence of flow velocity-flow regime and sedimentation on operation of underground hydropower station of Three Gorges Project;

Its underground hydropower station is located in the layered rocks in soft and hard rocks check.

The main powerhouse of Three Gorges underground hydropower station is with large span and thin cover, and it is rare internationally.

Key concrete construction technology of TGP s underground power station on left bank;

Analysis on tailrace system with varying crown elevation of TGP s right bank underground power station;

7 auxiliary transformer of Jingpohu Hydropower Plant underground power station in cave entrance is act as important power supply of network controlled switching station.

Hydrodynamic characteristics of changing top-altitude tailrace tunnel for Three Gorges Project s underground power plant;

Before the excavation of diversion tunnel of the right-bank underground power plant of the Three Gorges Project,the reservoir has started its initial impoundment.