Browsing Publikasjoner fra CRIStin by Title
Now showing items 1127-1146 of 4374
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Effect of Interference Size on Contact Pressure Distribution of Railway Wheel Axle Press Fitting
(Peer reviewed; Journal article, 2023)Mechanical couplings in engineering usually use interference fits to connect the shaft and hub. A railway wheel axle is a press fit that is connected by interference and can be subjected to bending stress. In loaded press ... -
Effect of Iron Oxide Nanoparticles on the Properties of Water-Based Drilling Fluids
(Peer reviewed; Journal article, 2020-12)In recent years, several studies have indicated the impact of nanoparticles (NPs) on various properties (such as viscosity and fluid loss) of conventional drilling fluids. Our previous study with commercial iron oxide NPs ... -
The effect of laser surface melting on the retained austenite and wear properties of AISI D2 tool steel
(Peer reviewed; Journal article, 2021)In this study the effect of laser surface melting (LSM) on the amount of retained austenite, hardness and wear resistance of AISI D2 steel was investigated utilizing hardness test, X-ray diffraction (XRD), pin on disk wear ... -
The Effect of Lost Circulation Material on Herschel-Bulkley Parameters
(Peer reviewed; Journal article, 2023)To hinder loss of drilling fluids into downhole formations while drilling geothermal, CO2 injection or petroleum wells, Lost Circulation Material (LCM) is added to the drilling fluids. These materials consist of many ... -
Effect of low temperature and municipal wastewater organic loading on anaerobic granule reactor performance
(Peer reviewed; Journal article, 2022)Biogas production and municipal wastewater COD removal at low temperatures by granulated anaerobic biomass were investigated. Two anaerobic granule reactors were operated continuously for 1025 days by stepwise increase of ... -
Effect of Lubrication on Friction in Bending under Tension Test-Experimental and Numerical Approach
(Peer reviewed; Journal article, 2020)This paper is aimed to determine the value of coefficient of friction (COF) at the rounded edge of the die in the sheet metal forming operations using the bending under tension (BUT) test. The experimental part of the ... -
The effect of mission duration on LISA science objectives
(Peer reviewed; Journal article, 2022)The science objectives of the LISA mission have been defined under the implicit assumption of a 4-years continuous data stream. Based on the performance of LISA Pathfinder, it is now expected that LISA will have a duty ... -
Effect of nanoparticles on properties of geopolymers designed for well cementing applications
(Peer reviewed; Journal article, 2020)Recently the focus of the oil and gas industry is to find the alternative material for well barrier applications. Geopolymers are among the suggested materials, which could be used in the future to solve the well integrity ... -
Effect of Organic Retarders on Fluid-State and Strength Development of Rock-Based Geopolymer
(Chapter, 2023)Granite waste is rich in aluminum and silicate has the potential of turning to geopolymer material after mixing with an alkali solution. One of the challenges in developing a geopolymer is to select a suitable retarder to ... -
The effect of physical-activity intervention on children’s health-related quality of life
(Peer reviewed; Journal article, 2020)Aims: We investigated the effect of a school-based physical-activity intervention on children’s health-related quality of life (HRQoL) and the potential influence of moderate to vigorous physical activity (MVPA). Methods: ... -
The effect of physical-activity intervention on children’s health-related quality of life
(Peer reviewed; Journal article, 2020)Aims: We investigated the effect of a school-based physical-activity intervention on children’s health-related quality of life (HRQoL) and the potential influence of moderate to vigorous physical activity (MVPA). Methods: ... -
Effect of Pressing Parameters on the Quality of Joint Formation of Heat Exchanger Fins with the Base Plate
(Peer reviewed; Journal article, 2019)In this paper, the results of experimental and numerical studies on joining the thin fins to the thick base plate of a heat exchanger are presented. The elements of the heat exchanger were joined by using developed method ... -
The effect of progressive and individualised sport-specific training on the prevalence of injury in football and handball student athletes: a randomised controlled trial
(Peer reviewed; Journal article, 2023)Objective: To evaluate the effectiveness of communication and coordination combined with designing a progressive and individualised sport-specific training program for reducing injury prevalence in youth female and male ... -
The Effect of Public–Private Partnerships on Innovation in Infrastructure Delivery
(Peer reviewed; Journal article, 2023)Public–private partnerships (PPPs) have been promoted as achieving value for money in government projects through innovation. Private investment, contract bundling, and transferring risk to the private sector are regarded ... -
The effect of PVA microfiber reinforcement on the mechanical and rheological behavior of class G oil well cement pastes
(Peer reviewed; Journal article, 2023)During the life cycle of an oil well, the annular cement sheath will be exposed to load combinations that can result in failure. To enhance the structural integrity and ductility of the cement paste, and to improve the ... -
Effect of salinity on silica nanoparticle adsorption kinetics and mechanisms for fluid/rock interaction with calcite
(Peer reviewed; Journal article, 2019-02)This study addresses the kinetics of silica nanoparticle adsorption on calcite from a solution at three salinities: deionized water (DIW), synthetic seawater (SSW), and low salinity water (LSW). The nanoparticle adsorption ... -
Effect of Salts on Interfacial Tension and CO2 Mass Transfer in Carbonated Water Injection
(Journal article; Peer reviewed, 2019-02)Carbonated water injection (CWI) is a promising enhanced oil recovery (EOR) and CO2 sequestration method, which overcomes the problems associated with CO2 EOR. CO2 mass transfer and interfacial tension (IFT) are important ... -
Effect of Silica nanoparticles on fluid/rock interactions during low salinity water flooding of chalk reservoirs
(Journal article; Peer reviewed, 2018-07)Abstract: The main objective of this work is to address the adsorption of Silica nanoparticles (NPs) dispersed in different brines on chalk surfaces and their effect on fluid/rock interaction. Isothermal static and dynamic ... -
Effect of SiO2 and SiO2/TiO2 hybrid nanoparticles on cementitious materials
(Peer reviewed; Journal article, 2021)In this paper, we report the effect of SiO2 nanoparticle solution on the properties of the neat industry and environmental cements. Moreover, the hybrid SiO2/TiO2 nanoparticles solution impact on the Portland G-class cement. ... -
The effect of temperature on CO2 injectivity in sandstone reservoirs
(Peer reviewed; Journal article, 2022)Carbon Capture, Utilization and Storage (CCUS) is a pragmatic technology that could reduce anthropogenic CO2 and halt climate change. CO2 injectivity is affected by several physicochemical interactions around the injection ...