IF YOU HAVE NO PRIOR EXPERIENCE, YOU SHOULD TRY THE CLASSIC BOOK "PROCESS HEAT TRANSFER" BY D.Q.KERN. THIS BOOK COVERS MANY AREAS OF HEAT TRANSFER AND INCLUDES A VAST AMOUNT OF COMPLETE EXAMPLE CALCULATIONS. DOUBLE PIPE, SHELL & TUBE, AND HAIRPIN TYPE HX'S AS WELL AS SUBMERGED COILS...