2018, Vol. 16, Special Issue 1
Recent Submissions
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Crop weight measurement sensor for IoT based industrial greenhouse systems
(2018)No wadays the industrial management systems are changing by means of implementing various Internet of Things (IoT) technologies, allowing a simple integration of sensor technologies with wireless ... -
Development and testing results of IoT based air temperature and humidity measurement system for industrial greenhouse
(2018)In dustrial greenhouse control systems are changing and getting new capabilities, due to the evolution of the Internet of Things (IoT) technologies, allowing wirelessly integrate various sensor technologies and ... -
Production and characterization of Al-BN composite materials using by powder metallurgy
(2018)Aluminum matrix composites containing 3, 6, 9, 12 and15% BN has been fabricated by conventional microwave sintering at 550 °C temperature. Compounds formation between Al and BN powders is observed after ... -
Diagnostics of hydraulic fluids used in aviation
(2018)Diagnostics is a maintenance industry that monitors performance, parameters, and follow – up. Diagnosing hydraulic fluids means comparing the parameters of the used hydr aulic fluid sample to the parameters ... -
Effect of sunflower and rapeseed oil on production of solid particles and performance of diesel engine
(2018)The development of biofuels for compression ignition engines is heading primarily to utilization of vegetable oils. Combusting of 100% vegetable oil in unmodified CI engine is usually not possible due to ... -
The operational parameters and emissions of portable generator after long-term operation on n-butanol
(2018)The utilization of biofuels in spark ignition and compression ignition engines is the trend of the recent time. The great expectations are inserted into n - butanol as a fuel, especially for spark ignition ... -
Sapropel processing approaches towards high added-value products
(2018)Sapropel is an organic sediment from fresh water bodies that is widely distributed in the northern regions of the w orld. The distribution and unique properties of sapropel make it an important natur ... -
Investigation into the performance characteristics of electric automobiles by means of a data logger
(2018)Fossil fuel deposits are constrained in the world. Various alternative energy sources are introduced in vehicles to limit the depletion of fossil fuel reserves and to reduce environmental pollution. One of the ... -
Plantograf V18 – new construction and properties
(2018)The article describes Plantograf V18, a planar tactile transducer, which converts the applied pressure into electric signal and enables a graphical presentation of the measured data; the new version V18 comes ... -
Technical design of complex vision-tactile navigation system for using of blind persons navigation
(2018)This article presents the system used for navigation and orientation of blind persons in an unknown terrain. This system called ‘ Tactile Navigation System ’ constitutes a compensation instrument for blind persons. ... -
A comparative case study of the efficiency of collection systems for paper and biodegradable municipal solid waste
(2018)The need to increase municipal solid waste recycling rates has led to the study and analysis of recycling schemes from the perspective of the technical issues that may be involved. This paper compares two ... -
An assessment of stratification of exhaust gases from gasoline and diesel engine
(2018)Research the aim of which was to find out stratification of main exhaust components outside the tailpipe of the vehicle was realized in Alternative Fuels Research Laboratory of Latvia University of Agriculture using ... -
Experimental research on compatibility of mineral and biobased hydraulic oils
(2018)The use of biobased hydraulic oils becomes more popular in the different industries, but especially in agriculture machinery. This is stimulated by the fact that significant amount of hydraulic oils effluence in ... -
Conceptual ‘Cradle to Gate’ analysis of GHG emissions from wood, agricultural plant and synthetic fibres
(2018)Industrialization and fossil resource use has brought unprecedented anthropogenic carbon dioxide emissions. Use of synthetic fibre materials and unsustainable plant cultivation practices contribute ... -
Effect of rubber powder from waste tyre rubbers on mechanical properties of one-component polyurethane putty
(2018)The utilization of adhesives in technical practice is varied. Adhesives serve for a creation of strength bonds on the one hand, and on the other hand e.g. for cementing. The aim of the research is a ... -
Factors influencing use of fuelwood and its environmental impacts in Tapanuli Utara regency, North Sumatra
(2018)Deforestation and forest degradation, after burning of fossil fuels, is considered as the second leading cause of anthropogenic greenhouse emissions (accounting for over 17% of global carbon dioxide emissions) ... -
Quality assessment of laser cladded HSS coatings with deep penetration into base material to obtain a smooth gradient of properties in coating-substrate interface
(2018)The present research is dedicated to the study of influence of coaxial laser cladding (CLC) process parameters onto values of alloying compo nents content in the coatings, morphology as well as the ... -
Lake blue clay - sapropel - flax shive briquettes for water absorption and desorption
(2018)Latvian lakes are rich in sapropel sediments and below the sapropel layer there is another valuable natural resource, namely blue clay. Flax shives are formed in large quantities as a waste in flax ... -
Combustion property analyses with variable liquid marine fuels in combustion research unit
(2018)The quality of ignition and co mbustion of four marine and power plant fuels were studied in a Combustion Research Unit, CRU. The fuels were low - sulphur Light Fuel Oil (LFO, baseline), Marine Gas Oil ... -
Kinematic viscosity studies for medium-speed CI engine fuel blends
(2018)Engine - driven power plants, run by diesel fuel or gas, will be needed for peaking power to keep the electricity grids stable when the production of renewable electricity, e.g. utilizing wind or solar ...
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