Intensive properties like pressure and temperature
Many of the China Heat Exchanger Suppliers do not cover this full range of input and output options. Manual calculation of extensive properties requires reasonably complex and lengthy mathematical procedures and is usually not possible to follow in day-to-day engineering job.
Intensive properties like pressure and temperature can be measured directly with instruments but most of the other extensive properties are required to be calculated.
It is easy to procure or even download a free version of the steam and water properties software through the Internet. Continuous modification of the program is another aspect requires attention of the buyer as and when IAWPS issues a change notice and unfortunately many sellers do not take prompt care in this regard.
By the way, my wife and I began making some decisions on this move, and a lot of "stuff" got thrown away. We figure if we move every couple of years and keep throwing stuff away, by the time we move into a retirement home, we should be down to a small paper bag of possessions.
