Dr Judy Ball BSc E.Anglia, PhD Birm Department of Mechanical EngineeringHonorary Staff Contact details Telephone+44 (0) 121 414 3825Fax+44 (0) 121 414 3515Emailj.v.ball@bham.ac.uk AddressSchool of Mechanical EngineeringUniversity of Birmingham Edgbaston Birmingham B15 2TT UK