Influence of Inter-Coolers Technologies on yhe Performance of Isotherm Centrifugal Compressors
It is well known that gas compressor work can be greatly reduced by inter-stage cooling. Since decades, isotherm compressors are commonly used where very large volume of gases is needed and low power consumption is necessary, so that the efficiency of the industrial process is greatly improved. The use of large amount of compressed air, oxygen or other gases is very common in different industrial sectors like air separation, petrochemical plants, mining, steel industries as well as preparation of synthetic natural gas. The main optimization goals in compressors technology are focused either on rotating components (mainly stage aerodynamics) as well as on intercooling (or heat exchange) process. In particular, current development is aiming either on improvement of cooling efficiency or (keeping the same efficiency) on size reduction, which is directly related also to overall cost reduction. Such improvements can derive from the use of different materials, coolers type/methods, geometries, manufacturing technologies, fouling modelisation and prevention etc. In this paper, a comprehensive and quantitative analysis of the influence of different intercoolers aspects is carried out with the aim to isolate the most critical factors to achieve an optimal combination between capital and operative costs of isothermal compressors.
Porreca, Luca (2018). Influence of Inter-Coolers Technologies on yhe Performance of Isotherm Centrifugal Compressors. Turbomachinery Laboratory, Texas A&M Engineering Experiment Station. Available electronically from