Process Heating Assessment and Survey Tool
The Process Heating Assessment and Survey Tool, commonly known as PHAST, was developed to conduct an energy assessment or audit of the heating equipment used by many industries. The tool has been used in several industrial plants in a number of countries to identify energy use distribution, estimate energy losses, as well as analyze potential energy savings by using commonly recommended energy saving measures.
The Excel version of PHAST is specifically designed to be used where it is necessary to consider multi component charge-load and account for a number of different areas of energy losses.
The Use of PHAST requires collection of certain critical data for the heating equipment. The required data are collected when the heating equipment is operating at typical or average production conditions. A report is generated to show various areas of energy use and the amount of energy used for each of these areas. The data are reviewed to identify possible areas of large energy use. PHAST can be used to analyze energy savings by applying commonly used energy saving measures. Potential energy savings with application of energy saving measures are displayed using a separate column of "modified conditions".