Blar i Journal articles (peer reviewed) på forfatter "Ratnaweera, Harsha"
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A novel automatic flow method with direct-injection photometric detector for determination of dissolved reactive phosphorus in wastewater and freshwater samples
Koronkiewicz, Stanislawa; Trifescu, Mihaela; Smoczynski, Lech; Ratnaweera, Harsha; Kalinowski, Slawomir (Journal article; Peer reviewed, 2018) -
Analysing consequences of infiltration and inflow water (I/I-water) using cost-benefit analyses
Sola, Kristin Jenssen; Bjerkholt, Jarle Tommy; Lindholm, Oddvar G.; Ratnaweera, Harsha (Peer reviewed; Journal article, 2020)The Municipality of Asker (Norway) is at risk of not meeting the water quality targets set by the European Union Water Framework Directive within the stipulated timeframe. While there are multiple factors negatively impacting ... -
Approbation of the texture analysis imaging technique in the wastewater treatment plant
Sivchenko, Nataliia; Ratnaweera, Harsha; Kvaal, Knut (Journal article; Peer reviewed, 2017) -
Challenges in Utilizing Water Resources in Lower Reaches of Kanakarayanaru of Northern Sri Lanka for Efficient and Equitable Water Allocation
Ratnaweera, Harsha; Suthakaran, Navaratnam; Ketheesan, B; Subramaniam Sivakumar, Saravanamuttu (Journal article, 2018) -
Computational thermodynamic analysis of the interaction between coagulants and monosaccharides as a tool to quantify the fouling potential reduction in the biofilm membrane bioreactor
Kulesha, Olga; Ratnaweera, Harsha (Peer reviewed; Journal article, 2019) -
DeepCSO: Forecasting of Combined Sewer Overflow at a Citywide Level using Multi-task Deep Learning
Ratnaweera, Harsha; Zhang, Duo; Lindholm, Geir (Journal article, 2018) -
Economic Model Predictive Control for optimal struvite recovery
Muralidharan Nair, Abhilash; Haugen, Finn; Ratnaweera, Harsha (Journal article; Peer reviewed, 2020)Resource recovery from municipal wastewater has been a prime focus for a decade. Although several recovery processes already exist in the market today, the high cost of material, inherent disturbance in the influent quality, ... -
Economic Model Predictive Control for optimal struvite recovery
Muralidharan Nair, Abhilash; Haugen, Finn; Ratnaweera, Harsha (Peer reviewed; Journal article, 2020)Resource recovery from municipal wastewater has been a prime focus for a decade. Although several recovery processes already exist in the market today, the high cost of material, inherent disturbance in the influent quality, ... -
Economic Model Predictive Control for optimal struvite recovery
Haugen, Finn Aakre; Ratnaweera, Harsha (Peer reviewed; Journal article, 2020) -
Enhancing Operation of a Sewage Pumping Station for Inter Catchment Wastewater Transfer by Using Deep Learning and Hydraulic Model
Ratnaweera, Harsha; Zhang, Duo; Skullestad Hølland, Erland; Lindholm, Geir (Journal article, 2018) -
Evaluation of image texture recognition techniques in application to wastewater coagulation
Sivchenko, Nataliia; Kvaal, Knut; Ratnaweera, Harsha (Journal article; Peer reviewed, 2016) -
Explicit and interpretable nonlinear soft sensor models for influent surveillance at a full-scale wastewater treatment plant
Wang, Xiaodong; Kvaal, Knut; Ratnaweera, Harsha (Peer reviewed; Journal article, 2019)In wastewater treatment plants, the most adopted sensors are those with the properties of low cost and fast response. Soft sensors are alternative solutions to the hardware sensor for online monitoring of hard-tomeasure ... -
Exploiting Capacity of Sewer System Using Unsupervised Learning Algorithms Combined with Dimensionality Reduction
Ratnaweera, Harsha; Zhang, Duo; Lindholm, Geir; Martinez Almario, Nicolas (Journal article, 2018) -
Floc sensor prototype tested in the municipal wastewater treatment plant
Sivchenko, Nataliia; Kvaal, Knut; Ratnaweera, Harsha (Journal article; Peer reviewed, 2018) -
Identifying factors influencing infiltration and inflow (I/I-water) in wastewater systems using multivariate data analysis
Sola, Kristin Jenssen; Kvaal, Knut; Bjerkholt, Jarle Tommy; Lindholm, Oddvar G.; Ratnaweera, Harsha (Peer reviewed; Journal article, 2019) -
Image Analysis of Sludge Aggregates
Smoczyński, Lech; Ratnaweera, Harsha; Kosobucka, Marta; Smoczyński, Michał (Journal article; Peer reviewed, 2013) -
Implementing an Extended Kalman Filter for estimating nutrient composition in a sequential batch MBBR pilot plant
Muralidharan Nair, Abhilash; Fanta, Abaynesh Belay; Haugen, Finn Aakre; Ratnaweera, Harsha (Journal article; Peer reviewed, 2019)Online monitoring of water quality parameters can provide better control over various operations in wastewater treatment plants. However, a lack of physical online sensors, the high price of the available online water-quality ... -
Implementing an extended kalman filter for estimating nutrient composition in a sequential batch MBBR pilot plant.
Nair, Abilash M.; Fanta, Abaynesh; Haugen, Finn Aakre; Ratnaweera, Harsha (Journal article; Peer reviewed, 2019)Online monitoring of water quality parameters can provide better control over various operations in wastewater treatment plants. However, a lack of physical online sensors, the high price of the available online water-quality ... -
Implementing an extended kalmanfilter for estimatingnutrient composition in a sequential batch MBBR pilot plant
Nair, Abhilash M.; Fanta, Abaynesh Belay; Haugen, Finn; Ratnaweera, Harsha (Journal article; Peer reviewed, 2019)Online monitoring of water quality parameters can provide better control over various operations in wastewater treatment plants. However, a lack of physical online sensors, the high price of the available online water-quality ... -
Infiltration and Inflow (I/I) to Wastewater Systems in Norway, Sweden, Denmark, and Finland
Jenssen, Kristin Sola; Bjerkholt, Jarle Tommy; Lindholm, Oddvar G.; Ratnaweera, Harsha (Journal article; Peer reviewed, 2018)