EVALUASI KINERJA COOLING WATER HEAT EXCHANGER ( CWHE ) TIPE PLATE HEAT EXCHANGER ( PHE ) UNIT 1 PLTU 3 JAWA TIMUR TANJUNG AWAR – AWAR TUBAN ( PERFORMANCE EVALUATION OF COOLING WATER HEAT EXCHANGER (CWHE) PLATE TYPE HEAT EXCHANGERS (PHE) UNIT 1 PLTU 3 JAWA TIMUR TANJUNG AWAR – AWAR TUBAN ) - Kurniavip, Rizki (2015)