Essays about: "effect of uncertainty"

Showing result 1 - 5 of 197 essays containing the words effect of uncertainty.

  1. 1. Experimental validation of a periodic heat transfer CFD model of a vertical shell and tube heat exchanger

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Patrik Bengtsson; Dilip Kumar Vellore Saikumar; [2019]
    Keywords : ;

    Abstract : Flow obstructions are used as a passive design element in heat exchangers to enhance heattransfer. Further, a change in flow structure can also have a positive effect on the heat transfer. Avertical shell and tube heat exchanger, used to recover heat in the greywater stream, isinvestigated in this study. READ MORE

  2. 2. Counterfactual Prediction Methods for Causal Inference in Observational Studies with Continuous Treatments

    University essay from Lunds universitet/Statistiska institutionen

    Author : Joel Persson; [2019]
    Keywords : Causal Inference; Observational Study; Treatment Effects; Continuous Treatments; Dose-Response Function; Optimization; Mathematics and Statistics;

    Abstract : We develop methods for estimation, inference and optimization of causal effects from observational data with continuous treatments. We present a counterfactual prediction method based on the potential outcomes framework that estimates the expected value of a potential outcome given a treatment level and confounders. READ MORE

  3. 3. Snow insulation effects across the Arctic : evaluating a revised snow module in LPJ-GUESS

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Alexandra Pongrácz; [2019]
    Keywords : active layer depth; Arctic; LPJ-GUESS; snow; soil temperature; Earth and Environmental Sciences;

    Abstract : The effect of future changes in temperature and precipitation patterns on arctic ecosystem functioning is often assessed using state-of-the-art ecosystem models. Many models however lack detailed representation of wintertime processes, as pointed out by recent studies (Wang et al. 2016, Slater and Lawrence 2013). READ MORE

  4. 4. Requirements for chain transactions in European VAT

    University essay from Lunds universitet/Institutionen för handelsrätt

    Author : Sabrina Popp; [2019]
    Keywords : chain transaction; triangulation; European VAT; Law and Political Science;

    Abstract : Transactions where goods are successively supplied by several businesses and transported directly from the first supplier to the last customer are defined as chain transactions. There is currently no provision in the VAT Directive which generally defines and determines the VAT treatment of chain transactions. READ MORE

  5. 5. A COMPARISON OF THE OBSERVED WAKE EFFECT WITH SEVERAL WAKE MODELS USING BOTH ANALYTIC AND CFD SIMULATION METHODS - FOR THE CASE OF BLOCK ISLAND OFFSHORE WIND FARM

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Robbie Pratt; [2019]
    Keywords : Block Island Wind Farm; Offshore Wind Power; Wake Effect; Wake Modelling; WindPRO; WindSIM; Openwind; CFD modelling.;

    Abstract : This paper sets out to analyze the observed wake effect at Block Island Wind Farm. A comparison is made between several wake simulation methods and the observed data at Block Island using analytic and CFD (Computational Fluid Dynamics) modelling methods. READ MORE