Parasitic load tuning to ~15%; Sensitivity & Discussion updates

[softwareengineerprogrammer]

Description

1. Tune parasitic load to ~15%:
   1. 
2. Remove flow rate and cluster spacing sensitivity - single-value changes without reservoir engineering retuning are misleading and not sufficiently informative
3. Incorporate SME discussion feedback re: ORC efficiency:
   1. 

Testing & Verification

1. Unit tests added: N/A
2. Unit tests updated: Existing unit tests updated and results manually checked
3. Manual testing: Manually reviewed results and updated documentation