When a component fails prematurely, it is most important that an engineering evaluation be made of the loss. If one is alert enough to learn from past problems then "Experience gained is directly proportional to equipment ...

Special purpose machinery applications of flexible disc couplings with multiple convoluted diaphragms or disc packs at each end of the spacer are discussed. Couplings in this category were retrofitted on two compressor ...

Two main problems must be solved in the planning and execution of compressor sets to be installed within refrigeration loops. The use of several compressors with different sidestream admissions calls for the installation ...

Steps taken by a du Pont team to prevent surge in a 23,000 hp process air compressor are reviewed. The process has several reactors which must interlock down quickly for safety reasons. These interlocks can occur on one, ...

A review of several different types of hydrodynamic journal bearings that are commonly found in turbomachinery is presented. Emphasis is placed on the key geometric design parameters of each type. The discussion covers ...

Coupling balance is important to vibration free operation of turbomachinery. Understanding how and what in a coupling affects vibration is the purpose of this paper. Discussed are the basics of balancing, why a coupling ...

The growth of cogeneration technology started in the 1960s, but has recently accelerated with several users interested in cogeneration applications. An overview of cogeneration technology is presented, with current experience ...

Couplings play an important role in the solution of many turbomachinery torsional problems. Due to inherently high inertias, many systems have torsional natural frequencies in the units' operating range, and operational ...