Essays about: "DRILLING"

Showing result 11 - 15 of 236 essays containing the word DRILLING.

1. 11. Grammar practice activities in a Swedish ELT textbook for year 9

   University essay from Karlstads universitet

   Author : Jimmy Rosberg; [2023]
   Keywords : grammar practice activity; present; practice produce; ELT material; SLA;

   Abstract : This study investigates the prevalence and proportion of explicit grammar practice activities in relation to a present, practice, and produce structure to find out if it is possible to derive an approach to grammar teaching that is used in the English language learning material Magic! 9. Current SLA research suggests that explicit grammar teaching facilitates L2 acquisition if grammatical activities focus on meaning over decontextualized form-focused drills. READ MORE

3. 12. Environmental sustainability of a low-temperature heating system : A case study

   University essay from KTH/Byggteknik och design

   Author : Bogdan Kurasov; Ahmed Alchasov; [2023]
   Keywords : ;

   Abstract : Nowadays, 40% of annual global CO2-emission is caused by the building sector. 27% of these emissions are coming from building operations and the main use of energy in buildings is heating. READ MORE

4. 13. Failure Inference in Drilling Bits: : Leveraging YOLO Detection for Dominant Failure Analysis

   University essay from Uppsala universitet/Institutionen för informationsteknologi

   Author : Gnana Spandana Akumalla; [2023]
   Keywords : Computer vision; Image processing; Drill bit failure detection; CNN; YOLOv5; FNN; YOLOv8; Dataset; StyleGAN-ADA; Ethics; Sustainability; Artificial Intellegence; Tricone drill bit; Object detection.;

   Abstract : Detecting failures in tricone drill bits is crucial in the mining industry due to their potential consequences, including operational losses, safety hazards, and delays in drilling operations. Timely identification of failures allows for proactive maintenance and necessary measures to ensure smooth drilling processes and minimize associated risks. READ MORE

5. 14. Influence of Surface Carbon Content on the Wear of Threaded Connections in Rock Drilling Steels

   University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

   Author : Andreas Hälsing; [2023]
   Keywords : carbon content; wear performance; carburized steel; dry contact interface; threaded connections; drill rods; samples; shot peening; production process; twin-disc wear tester; RPM; operating conditions; wear rate; surface topography; hardness; optical analysis; light optical microscopy; scanning electron microscopy; surface carbon content; microstructural changes; frictional heat; contact pressure; wear mechanisms; plastic deformation; adhesive scratching; material removal; delamination;

   Abstract : This thesis work was conducted at Luleå University of Technology in collaboration with Sandvik Rock Tools. The aim of the work was to determine the influence of carbon content on the wear performance in carburized steel in the dry contact interface of threaded connections between drill rods. READ MORE

6. 15. Hydrogeological and economic analysis of a groundwater-based water supply system in rural Nepal

   University essay from Lunds universitet/Väg- och vattenbyggnad (CI); Lunds universitet/Teknisk geologi

   Author : Hamon Hedayatnasab; [2023]
   Keywords : Technology and Engineering;

   Abstract : Access to safe drinking water and sanitation is a given standard and considered as basic human rights in urban areas and industrialized countries. However, 40 % of the world's population living in rural areas in developing countries lack access to safe drinking water. READ MORE