Sökning: "Steady state"

Visar resultat 1 - 5 av 706 avhandlingar innehållade orden Steady state.

  1. 1. An experimental investigation of flow in a Kaplan runner : steady-state and transient

    Författare :Kaveh Amiri; Bjarne Børresen; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Strömningslära; Fluid Mechanics;

    Sammanfattning : Water turbines are since some years widely used for grid stabilization purposes according to their exceptional load variation capability which gives them the ability to compensate grid fluctuations initiated by the customer’s consumption or intermittent electricity production systems such as wind and solar power. Different renewable power generation technologies can be combined in mini-grids to electrify isolated villages and extend existing grid networks. LÄS MER

  3. 2. The Steady-state Approach : A Model Describing the Dynamics of Spent Nuclear Fuel Dissolution in Groundwater

    Författare :Fredrik Nielsen; Mats Jonsson; David Shoesmith; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Nuclear chemistry; Kärnkemi;

    Sammanfattning : .... LÄS MER

  4. 3. Development of New Monte Carlo Methods in Reactor Physics : Criticality, Non-Linear Steady-State and Burnup Problems

    Författare :Jan Dufek; Jan Wallenius; Waclaw Gudowski; Cheikh Diop; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Monte Carlo; reactor physics; fission source; inactive cycles; convergence; burnup; steady-state; criticality; eigenvalue; Nuclear physics; Kärnfysik;

    Sammanfattning : The Monte Carlo method is, practically, the only approach capable of giving detail insight into complex neutron transport problems. In reactor physics, the method has been used mainly for determining the keff in criticality calculations. LÄS MER

  5. 4. Mildhet och saktmod : Den svenska konglomeratstaten och Jämtland efter freden i Brömsebro 1645

    Författare :Tord Theland; Per Sörlin; Jan Samuelson; Lerbom Jens; Mittuniversitetet; []
    Nyckelord :HUMANIORA; HUMANITIES; Jämtland; early modern; conglomerate state; state formation; state-building; cession; integration; interaction; Swedish kingdom; Swedish Empire; ethnicity; spatiality; Jämtland; tidigmodern tid; konglomeratstat; statsbildning; statsbyggnad; statsskifte; integration; interaktion; maktstat; det svenska väldet; det svenska riket; rumsliga föreställningar; kollektiva föreställningar;

    Sammanfattning : The focus of this book is the cession of the province of Jämtland from Denmark-Norway to Sweden after the Peace of Brömsebro in 1645. My pur­pose is to examine what bearing the steps taken to incorporate the newly con­quered territory into Sweden had on the state formation already underway. LÄS MER

  7. 5. Process Utility Performance Evaluation and Enhancements in the Traditional Sugar Cane Industry

    Författare :Eyerusalem Deresse Birru; Andrew Martin; Catharina Erlich; Hailong Li; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Sugar cane; energy saving; heat loss; steady state; transient state; CO2 emission; absorption chiller; pellet; bagasse drying; energy perfor-mance; traditional mills; modern mills; waste water; surplus power; Energy Technology; Energiteknik;

    Sammanfattning : The need to achieve sustainable development has led to devising various approaches for the efficient utilization of natural resources. Renewable energy technology and energy efficiency measures feature prominently in this regard, and in particular for industries such as sugar production:  the sugar cane industry’s eponymous feedstock is a renewable resource, and mills have potential for increased energy savings via improvements to cogeneration units, electric drive retrofitting, and other measures. LÄS MER