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Showing result 1 - 5 of 7 essays matching the above criteria.

1. 1. A socio-technical review of Natural Gas: Resources, environmental and political aspects

   University essay from Högskolan i Gävle/Avdelningen för byggnadsteknik, energisystem och miljövetenskap

   Author : Ravi Teja Gorugantu; Sridhar Babu Sanjeevi Rao; [2023]
   Keywords : ;

   Abstract : This report gives a general overview of the natural gas resources in the world, along with its importance as a source of producing energy, and technical uses. It also draws attention to the political issues raised by natural gas exploitation and the steps being taken to address them. READ MORE

3. 2. Cutting emissions with remanufacturing

   University essay from Lunds universitet/Miljövetenskaplig utbildning

   Author : Maja Anehagen; [2021]
   Keywords : Life cycle assessment; LCA; Remanufacturing; Resource efficiency; Circular economy; Electric and electronic equipment; Hardware manufacturing sector; Earth and Environmental Sciences;

   Abstract : An increase in the use of natural resources is directly associated with an increased environmental impact. It is therefore of importance to lead the manufacturing industry towards a route of material efficiency. Remanufacturing is an industrial process that brings a used product and its components back to like-new or better condition. READ MORE

4. 3. Black-box optimization of simulated light extraction efficiency from quantum dots in pyramidal gallium nitride structures

   University essay from Linköpings universitet/Matematiska institutionen

   Author : Karl-Johan Olofsson; [2019]
   Keywords : Black-box optimization; Radial basis functions; Gallium nitride; light extraction efficiency; FDTD; surrogate functions; semiconductors; global optimization;

   Abstract : Microsized hexagonal gallium nitride pyramids show promise as next generation Light Emitting Diodes (LEDs) due to certain quantum properties within the pyramids. One metric for evaluating the efficiency of a LED device is by studying its Light Extraction Efficiency (LEE). READ MORE

5. 4. LED's Buy Greener: Shedding Light on Sustainable Procurement

   University essay from Lunds universitet/Internationella miljöinstitutet

   Author : Hippolyte De Bellefroid; Julie Emmrich; Wolfgang Haider; Dalia Hashweh; Caroline Heinz; Anita Lazurko; Antoine Lucic; Robin Mace-Snaith; Sahar Sajjad Malik; Shushant Vasisth; Yifei Zhao; [2017]
   Keywords : Technology and Engineering; Social Sciences; Earth and Environmental Sciences; Business and Economics;

   Abstract : In last decade, the lighting industry significantly changed with the development of light emitting diodes (LEDs) and their corresponding penetration of the market. The new technology increases energy efficiency and longevity compared to other types of lamps. READ MORE

6. 5. Heat recovery from untreated wastewater : A case study of heat recovery from sewerline to district heating network

   University essay from KTH/Energiteknik

   Author : Ola Vestberg; [2017]
   Keywords : ;

   Abstract :  High amounts of heat energy are today deposited into the urban wastewater system. The current society-wide development for energy efficiency has so far barely touched upon the area of wastewater heat conservation, which is why the share of total energy consumption from water use is increasing. READ MORE