GEAPS FDC July 28-31, 2002 1 Grain Drying Systems By Dr. Dirk E. Maier, Ph.D., P.E. Professor and Extension Agricultural Engineer Post-Harvest Education & Research Center Purdue University And Dr. Fred W. Bakker-Arkema, Ph.D. Professor Emeritus Biosystems Engineering Department Michigan State University Written for presentation at the 2002 Facility Design Conference of the Grain Elevator & Processing Society held July 28-31, 2002 in St. Charles, Illinois, U.S.A.