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Engine performance and emissions of fuel produced from palm kernel oil
(Taylor & Francis, 2019-10-03)
In this research work, the experimental investigation on effect of preheating on the performance and emissions of a direct injection diesel engine has been reported. Four different fuels were tested using the same diesel ...
Thermal discrete element method for transient heat conduction in granular packing under compressive forces
(Elsevier, 2019-09-26)
A thermal discrete element method is introduced in granular packs. This method is applicable to 3D packing in either static or dynamic states coupled with the ordinary discrete element method code. This method resolves the ...
Investigation of a Direct Liquid Cooling System in a Permanent Magnet Synchronous Machine
(IEEE, 2019-10-08)
A high demand for electrification of the transport sector has resulted in a need to provide compact and reliable electric power trains where the electric machine is a key element. The cooling system has a strong impact on ...
Environmental Assessment of Alkali-Activated Mortars Using Different Activators
(CISA Publisher, 2019-10)
This study sheds light on the environmental performance of three alkali-activated mortars (AAMs) using sodium hydroxide, sodium silicate powder and 2-part aqueous alkali solutions respectively, as activators. A comparative ...
Power quality estimation of water electrolyzers based on current and voltage measurements
(Elsevier, 2019-12-23)
The ripple of the supplied direct current has a significant effect on the energy efficiency of the water electrolyzer cell. Hydrogen production is defined by the current mean value, but current harmonics generate additional ...
Fatigue strength capacity of load-carrying fillet welds on ultra-high-strength steel plates subjected to out-of-plane bending
(Elsevier, 2019-06-12)
Weld root fatigue strength capacity is an important design criterion in load-carrying (LC) fillet welded joints subjected to cyclic loads. This paper elaborates on the weld root fatigue strength capacity of fillet welded ...
Real-Time Vibration-Based Propeller Fault Diagnosis for Multicopters
(IEEE, 2019-10-14)
Reliable health monitoring of mechanical components in aerial robotic systems is crucial to their safe operation. The highly constrained nature of aerial systems requires that such systems operate with a minimum of sensing ...
Regional material flow tools to promote circular economy
(Elsevier, 2019-06-29)
Although the concept of circular economy is gaining increasing attention, there is a lack of tools or any agreed methodology for evaluating circularity. To date, circularity has been assessed mainly at product level, but ...
Image Analysis of Bubbling Mode Condensation Oscillations in Horizontal Sparger
(American Nuclear Society, 2019-08-23)
Pattern recognition based image analysis algorithm was developed for analyzation of bubbling mode
condensation oscillations in horizontal spargers. Safety relief valve test rig SEF-POOL was filled with a
heated up (85 ...
Assessment of a cost-optimal power system fully based on renewable energy for Iran by 2050 – Achieving zero greenhouse gas emissions and overcoming the water crisis
(Elsevier, 2019-06-24)
Transition of Iran's power system from 2015 to 2050 through three scenarios was modelled. Two scenarios present a transition pathway towards a fully renewable run power system with different involved sectors (power only, ...