Browsing University of Hertfordshire by Author "Richter, R."

Now showing items 1-3 of 3

    • 3D-Kinematics of White Dwarfs from the SPY-Project 

      Richter, R.; Heber, U.; Napiwotzki, R. (Astronomical Society of the Pacific, 2007)
      We present a progress report on the kinematical analysis of the entire SPY (ESO SN Ia Progenitor surveY; see Napiwotzki et al. 2001) sample of about one thousand white dwarfs and hot subdwarfs. In a previous study (Pauli ...

    • Elastomer-glass micropump employing active throttles 

      Johnston, I. D.; Davis, J.B.; Richter, R.; Herbert, G. I.; Tracey, M.C. (2004)
      We report a reciprocating microfluidic pump, the Micro Throttle Pump (MTP), constructed in a relatively uncomplicated manner from glass and microstructured poly(dimethylsiloxane) (PDMS). Unconventionally, the MTP employs ...

    • Intercomparison study of six HTDMAs : results and recommendations 

      Duplissy, J.; Gysel, M.; Sjogren, S.; Meyer, N.; Good, N.; Kammermann, L.; Michaud, V.; Weigel, R.; dos Santos, S. Martins; Gruening, C.; Villani, P.; Laj, P.; Sellegri, K.; Metzger, A.; McFiggans, G. B.; Wehrle, G.; Richter, R.; Dommen, J.; Ristovski, Z.; Baltensperger, U.; Weingartner, E. (2009)
      We report on an intercomparison of six different hygroscopicity tandem differential mobility analysers (HTDMAs). These HTDMAs are used worldwide in laboratory experiments and field campaigns to measure the water uptake of ...