Blar i NILU Brage på forfatter "Peterson, H G."
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A tracer investigation of traffic emissions from the Vålerenga tunnel at Etterstad.
Peterson, H G.; Tønnesen, Dag Arild (NILU OR; 39/90, Research report, 1990)Eighteen tracer experiments were conducted in and near the northbound tube of the Vålerenga tunnel. The tracer tests confirm previous modelling results concerning air pollution impact from the tunnel. The tracer gas ... -
An investigation of concentration fluctuations during a tracer study at Rafnes.
Peterson, H G. (NILU OR; 97/90, Research report, 1990)During tracer experiments to quantify leakages of hydrocarbons, a fast response analyzer (response time 0.4 sec) for SF6 was tested in the field. The analyzer provided adequate cover of concentration fluctuations within ... -
Spredningsundersøkelse med sporstoff ved Vålerengatunnelen.
Peterson, H G.; Tønnesen, Dag Arild (NILU OR; 62/90, Research report, 1990)Atten sporstofforsøk ble gjennomført i og ved nordgående tunnelløp i Vålerengatunnelen. Spredningsforsøkene bekrefter tidligere modellberegninger. Fra 60 til 150 m fra munningen var sporstoffkonsentrasjonen under 10% av ...