โ Scribed by F. Durst; M. Ismailov; D. Trimis
No coin nor oath required. For personal study only.
Research and development work carried out to provide a method to measure accurately instantaneous flow rates in periodically operating injection systems is summarized. The instantaneous flow rate is reconstructed from axial velocity time series measured by a laser Doppler anemometer on the center-line of a capilary pipe flow. The theoretical background, on which the evaluation of the instantaneous flow rate is based is provided. It is shown that the axial mean velocity is sufficient to reconstruct the periodically varying flow rate and the pressure gradient. The application of the proposed method is described and an instrument is suggested that can be employed in many fields where fast, periodically varying flow rates occur and instantaneous information is needed.
๐ SIMILAR VOLUMES
## Abstract Methods for analyzing reaction rate data obtained from fluorescent decays distorted by flow effects are discussed, with particular reference to the measurement of relaxation rates in flowing mixtures containing reactive species by the laserโinduced fluorescence technique.
## Abstract A novel flowโinjection method with chemiluminescence detection was developed for the determination of streptomycin residues in milk, based on the enhancement by streptomycin of the luminolโpotassium periodateโMn^2+^ chemiluminescence system. The assay allowed analysis of streptomycin re