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Showing result 1 - 5 of 25 essays matching the above criteria.

  1. 1. Acoustic Characterization of Catalyst

    University essay from KTH/Skolan för teknikvetenskap (SCI)

    Author : Surachit Dokson; [2023]
    Keywords : ;

    Abstract : The WHO has set a sound level threshold of 55 dB, beyond which noise is considered harmful to humans when exposed for an extended period of time. It is, however, estimated by the European Environmental Agency that over 110 million people in the EU are regularly exposed to levels of traffic noise above 55 dB. READ MORE

  3. 2. Bluegreengrey (BGG) solution for future climate and flood-resilient urban drainage network by enhancing the natural hydrological cycle

    University essay from Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Author : Adnan Asif Rifat; [2023]
    Keywords : Bluegreengrey; Sustainable stormwater; Basement flooding; Urban flooding; Pipe Network; BGG; Climate change; Hydrology; Mike .; Technology and Engineering;

    Abstract : A loop of urbanization, increasing impervious surface in urban areas, increasing temperature, rainfall, surface runoff and flooding, and lack of new spaces have been adding challenges to urban drainage systems for decades. The climate change impacts are exposing the existing vulnerable conventional urban drainage systems to more challenges in the future. READ MORE

  4. 3. Pipe Surface Roughness at Microscale and Discussion of Possible Relation to Flow Properties

    University essay from Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Author : Yiting Qiao; Mahsa Kajbaf Nezhad; [2021]
    Keywords : pipe flow; roughness; microscale; SEM; Technology and Engineering;

    Abstract : Despite decades of intense research, the behavior of water molecule still warrants new research.Water flow through various pipe systems has become a pivotal corner stone of functioning human infrastructure. READ MORE

  5. 4. CFD Simulation of a Fin-Tube Evaporator under icing

    University essay from Linköpings universitet/Mekanisk värmeteori och strömningslära

    Author : Abhay Mahesh Hervatte; [2021]
    Keywords : CFD; Refrigeration; HVAC; Evaporator; Thermodynamics; Icing;

    Abstract : The study involves development of a methodology to simulate a fin-tube evaporator under icing conditions using CFD in Ansys® Academic Fluent 2021R1. It aims to build on previous studies performed on heat pumps. It was performed by Abhay M. Hervatte in collaboration with Bosch Thermoteknik AB, Tranås, SE during the spring term of the year 2021. READ MORE

  6. 5. Assessing the role of the drinking water distribution system on the bacterial community in public buildings

    University essay from Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Author : Zixuan Zhang; [2021]
    Keywords : drinking water; drinking water distribution system; bacterial community; biofilm; HNA High nucleic acid ; flow cytometry; Technology and Engineering;

    Abstract : Safe drinking water is important and the water quality is related to the microbial community. In this study, two public buildings that receive drinking water at different locations in a distribution system were selected as sampling points. READ MORE