Page 13 - Design and Operation of Heat Exchangers and their Networks
P. 13

Nomenclature  xvii


              tb   tube bundle
              tp   two phase
              tur  turbulent
              T    uniform wall temperature
              ub   upper bound
              v    vapor
              w    wall
              wo   outer wall
              ws   shell wall
              x    local value


              Function

              int (x)   round x down to the nearest integer
              round (x)  round x to the nearest integer
              roundup (x) round x up to the nearest integer

              Abbreviation

              diag   diagonal matrix
              FFT    fast Fourier transform
              FPI    number of fins per inch
              FPM    number of fins per meter
              HEN    heat exchanger network
              HENS   heat exchanger network synthesis
              LP     linear programming
              MILP   mixed-integer linear programming
              MINLP  mixed-integer nonlinear programming
              RefProp NIST Reference Fluid Thermodynamic and Transport Properties Database
              SC     set of cold streams
              SH     set of hot streams
              TAC    total annual cost
              yr     year
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