A NUMERICAL TECHNIQUE FOR TOTAL SITE SENSITIVITY ANALYSIS

Total Site Problem Table Algorithm ( TS-PTA) is a numerical tool used as an alternative to the graphical TSHI approach to evaluate heat integration for ________

• Single Site

• Multiple Sites

___________ is a numerical tool to evaluate the sensitivity of each plant in the total site integration to various operational changes and variations

• Problem Table Algorithm

• Grand Composite Curve

• Total Site Sensitivity Analysis

• Composite Curves

Total Site Sensitivity Analysis is useful to __________

• Estimate the amount of external utilities required

• Determine the optimum utility generation system size

• Assess the need for a backup piping system

• Assess the impact of sensitivity changes on a cogeneration system

_______ is a graphical approach used to visualize the heat transfer potential within each process

• Problem Table Algorithm

• Composite Curve

• Total Site heat integration

• Total site Problem Table Algorithm

Which one of the following include the Total Site problem table algorithm properties

• A numerical tool that evaluates heat integration for multiple sites

• An alternative to the graphical TSHI approach

• Suitable for the uniform ΔTmin problems only

• Convenient to manipulate data to obtain new values for various cases

The following methodology must be carried out to compute the Total Site Problem Table Algorithm

• Calculated the shifted temperatures

• For above the pinch region, Add ΔTmin,pp/2 from shifted temperatures and subtract ΔTmin, up

• Construct the normal PTA table

• For below the pinch region, cascade the heat available from the lowest temperature to the pinch temperature

From the proposed Total Site Sensitivity Table (TSST), which plant’s shutdown affects HP Utility consumption

• Plant A

• Plant B

• Plant C

• Plant D

What should be the maximum design capacity for the boiler generating ST

• 1162 kW

• 7770 kW

• 810 kW

• 4666 kW

Which one is true for HW sensitivity analysis

• More HW is needed when plant A and B are shutdown

• More HW is generated when plant A and B are shutdown

• More HW is needed when plant C and D are shutdown

• More HW is generated when plant C and D are shutdown

Which Plant’s shutdown affects the CW Utility consumption

• Plant A

• Plant B

• Plant C

• Plant D