Lubricant Liquid. 26 4.5 out of 5 stars. Typically the liquid lubricant is constantly circulated to and from a cooler part of the system, although lubricants may be used to warm as well as to cool when a regulated temperature is required.
The properties of good liquid lubricants are as follows properties of oiliness. Because excessive weight is a problem for satellites, large reservoirs of liquid lubricant and the resultant pumping systems (as used in aeronautical applications) are not appropriate. A liquid film lubrication regime can be hydrodynamic or hydrostatic.