For Utah Opera’s return, engineers study how air can flow safely through Capitol Theatre

James Sutherland and Tony Saad have gotten to know the stages of Capitol Theatre and Abravanel Hall quite well — but they haven’t performed at those venues.The two chemical engineers, researchers at the University of Utah and experts in “computational fluid dynamics,” are helping musicians of the Utah Symphony and Utah Opera perform with less risk of spreading COVID-19 to each other or their audiences.“The basic question is: How do you reduce risk?” said Suthe