Essays about: "Gävle Energi"

Showing result 21 - 25 of 140 essays containing the words Gävle Energi.

  1. 21. Feasibility Study of Small Hydropower/PV/Wind Hybrid System for Off-Grid Electrification of Liben and MedaWoulabu Villages

    University essay from Högskolan i Gävle/Avdelningen för bygg- energi- och miljöteknik

    Author : Yalewayker Mandefro Bezie; [2017]
    Keywords : Hybrid system; PV; Small Hydropower; HOMMER; levelized COE;

    Abstract : According to the International Energy Agency 2016 statistics, Ethiopia is among the lowest countries in annual electricity consumption, 70 KWh/capita. Rural areas hold more than 80% of the country’s population and less than 30% of them have been electrified. READ MORE

  3. 22. Non-destructive testing of thin strip material : Implementation of the 3MA technique at a steel producing company

    University essay from Högskolan i Gävle/Avdelningen för bygg- energi- och miljöteknik

    Author : Jon Mikel Lizarralde; [2017]
    Keywords : Non-destructive testing; 3MA; steel strip; process monitoring and control; energy efficiency; sustainability; hardness; tensile strength;

    Abstract : This study is an initial attempt to investigate the possibility of substituting conventional laboratory destructive testing techniques at Sandvik's strip steel production facilities with the 3MA (Micro-magnetic Multi-parameter Microstructure and Stress Analysis) NDT (nondestructive testing) technique. The interest for the research comes from various problems with the actual destructive testing method. READ MORE

  4. 23. Profitability of cogeneration in a chemical industry

    University essay from Högskolan i Gävle/Avdelningen för bygg- energi- och miljöteknik

    Author : Iñigo Monge Zaratiegui; [2017]
    Keywords : Cogeneration; boiler efficiency; Rankine cycle; steam;

    Abstract : A high demand of both electricity and heat exists in Arizona Chemical (a chemical plant dedicated to the distillation of Crude Tall Oil) for production processes. Due to the rising cost of resources and electricity, more and more companies are trying to decrease the energy expenses to increase their competitiveness in a global market, thus increasing their profit. READ MORE

  5. 24. Heat recovery units in ventilation : Investigation of the heat recovery system for LB20 and LB21 in Building 99, University of Gävle

    University essay from Högskolan i Gävle/Avdelningen för bygg- energi- och miljöteknik

    Author : Marta Duarte; [2016]
    Keywords : Heating ventilation and air conditioning systems; heat recovery ventilation; run-around heat recovery; temperature ratio; sensible effectiveness;

    Abstract : Heating, ventilation and air-conditioning (HVAC) systems are widely distributed over the world due to their capacity to adjust some local climate parameters, like temperature, relative humidity, cleanliness and distribution of the air until the desired levels verified in a hypothetical ideal climate. A review of buildings’ energy usage in developed countries shows that in the present this energy service is responsible for a portion of about 20% of the final energy usage on them, increasing up to 50% in hot-humid countries. READ MORE

  6. 25. The flow impact on a radiator system : A case study in district heating system

    University essay from Högskolan i Gävle/Avdelningen för bygg- energi- och miljöteknik

    Author : Juan Antonio Catalan Solsona; [2016]
    Keywords : ;

    Abstract : .... READ MORE