Page 291 - Gas Adsorption Equilibria
P. 291

5. Oscillometry                                                  277

           6.       LIST OF SYMBOLS

              A collection of symbols used in Chapter 5 including SI-units is given.

                             1          ratio of bulk volume of pellets of mass
                                        to the  volume of  the  same  mass    at
                                        same  temperature and  pressure in a  dense
                                        bulk state

                            Nm          retarding moment of torsional wire

           d                 m          height of ring slit on pendulum

           E                            elasticity module of wire material


           g                            gravity of earth
           J                            moment of inertia of loaded  pendulum in
                                        sorptive gas

                                        moment of inertia of mass adsorbed   on
                                        sorbent

                                        moment of inertia of sorptive gas  between
                                        sorbent  pellets within the ring  slit  of the
                                        pendulum

                                        moment of  inertia of  gaseous  boundary
                                        layer surrounding the pendulum

                                        moment of inertia  of the  empty  rotational
                                        pendulum

                                        moment of inertia of sorbent material


                                        moment of inertia  of pendulum  filled  with
                                        sorbent mass    in vacuum


                            m           Length of a torsional wire
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