All Services Engineering & Architecture Calculation of machine $8/hr · Starting at $25 Calculations of heat exchanger, pressure vessels, gear systems, engines and gauges. Basic designs using Ansys. About $8/hr · Ongoing Download Resume Calculations of heat exchanger, pressure vessels, gear systems, engines and gauges. Basic designs using Ansys. Skills & Expertise Systems Engineering 0 Reviews This Freelancer has not received any feedback.