UNITED TECHNOLOGIES RESEARCH CENTER: NEW AWARD CONTROL NUMBER: 1970-1505 HIGH INTENSITY THERMAL EXCHANGER THROUGH MATERIALS, AND MANUFACTURING PROCESSES (HITEMMP) PROJECT TITLE: ''ADDITIVE, TOPOLOGY-OPTIMIZED ULTRA-COMPACT HEAT EXCHANGER'' UNITED TECHNOLOGIES RESEARCH CENTER (UTRC), IN COLLABORATION WITH RUNTOSOLVE,LLC, UNIVERSITY OF WISCONSIN MADISON (UWM), AND SLM SOLUTIONS NA, INC. PROPOSE TO DEVELOP AN ULTRA-COMPACT, TOPOLOGY-OPTIMIZED 800°C, 250 BAR HEAT EXCHANGER (HX) (10X SMALLER THAN COMMERCIAL CROSS-FLOW HX AND 40X MORE DURABLE). THIS WILL SIGNIFICANTLY REDUCE THE FUEL USAGE IN AVIATION AND RESULTING GREENHOUSE GAS EMISSIONS.