Air and hydrogen supply systems are key subsystems of polymer electrolyte membrane
(PEM) fuel cell systems. This paper reviews the research on the gas (air and hydrogen) …

Screw machines, mainly including single-screw type and twin-screw type, have gone
through significant development and improvement during the past decade. This paper …

The water-lubricated twin-screw air compressor is very suitable for applications in high-
pressure PEMFCs in distributed power generation, for it can provide absolutely oil-free air …

In traditional industrial applications and MEE/MSF desalination system, steam production is
usually the technical basis for heating, processing or fresh water accumulating. However …

Due to the growing need for the compressed air of higher quality, the water-lubricated twin-
screw compressor with water as the only liquid in the compressor has drawn much attention …

High temperature water steam is greatly required in the processing and manufacturing
procedures in industrial applications. Water steam compressing and high temperature heat …

Heat pump systems are widely used in heat recovery applications where high temperature
waste heat is abundantly available. High temperature heat pumps are capable of recovering …

The test rig for water-injected process-gas screw compressor is designed and established.
The dry gas seal technology was adopted for the shaft seal of screw compressor and the test …

Jet engines are nowadays one of the most popular ways of propulsion for aircraft. This type
of propulsion is widely used also in other sectors of industry. The main challenging task for …

Due to the lack of oil injection cooling, it is usually necessary for dry twin-screw compressors
to design cooling jackets to carry away the heat generated during operation. In order to …