One option for energy provision from renewables is the production and grid injection of synthetic natural gas from lignin-rich biomass like wood and straw. Bio-SNG […]
Microalgae for biomethane production
Competition for arable land between food and energy producers has begun in Latvia. Biogas producers are seeking to use the hitherto unused land. There is […]
Technical and software solutions for autonomous unmanned aerial vehicle (UAV) navigation in case of unavailable GPS signal
The article presents autonomous navigation for Unmanned Aerial Vehicles (UAV) without GPS support flying in extremely low altitudes (1.5 m – 2.5 m). Solution via […]
Influence of biofuel moisture content on combustion and emission characteristics of stove
The research aim was to study the effect of moisture in solid fuel on combustion in a stove and its emissions. Analysed samples were from […]
Theory of the oscillations of a toothed disc opener during its movement across irregularities of the soil surface
The paper presents the main provisions of the new theory of oscillations of the versatile combined opener assembly of the breeding seed drill with a […]
Theory of vertical oscillations and dynamic stability of combined tractor-implement unit
Currently, throughout the world quite extensive use is made of combined tractor-implement units, which are capable of performing several process operations in the same pass. […]
Mechanical harvesting in traditional olive orchards: oli-picker case study
Olive harvesting is one of the most laborious and expensive agricultural practices. Indeed, it absorbs 50% of the product value, and this is due to […]
Development and analysis of a driving cycle to identify the effectiveness of the vacuum brake booster
In electric vehicles electric vacuum pumps are used instead of traditional vacuum generation devices – the vacuum pump or the intake manifold that are specific […]
Material waste paper recycling for the production of substrates and briquettes
This Article is focusing on recycling waste paper, which became one of the main collecting commodities for its widespread use in many economic regions. The […]
Biogas potential from animal waste of Marmara Region-Turkey
The purpose of this study was to determine the biogas production capacity from animal wastes in Marmara region of Turkey for the years 2005–2014. The […]