Growing blueberries on exhausted milled peat fields could be a possible solution to decrease carbon dioxide emission from these areas. To operate such crop-giving plantation manually, a lot of manpower is needed. To decrease the manpower, suitable and helpful technical solutions should be introduced. The aim of this article is to investigate different technological aspects of post-harvest processing of blueberries and to study already existing technical solutions. As a result, non-stationary processing centre for small or medium-sized blueberry farms is proposed. The proposed solution allows reducing manpower, lowering production costs and increasing the area used for growing blueberries. Also, it may encourage other farms to start growing blueberries.

10.17221/42/2015-rae

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Citations (1)

Determining the dimensional characteristics of blueberries.

Agronomy Research (2017)

Kaarel Soots O. Krikmann M. Starast Jü̈ri Olt

Source

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Citations (4)

Effect of porosity on the performance of cutting ceramics.

Agronomy Research (2016)

В. В. Максаров A. D. Khalimonenko Jü̈ri Olt

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Citations (8)

Research into the parameters of a potato harvester's potato heap distributor, and the justification of those parameters

DOAJ (DOAJ: Directory of Open Access Journals) (2021)

Jü̈ri Olt В. Адамчук V. Korniushyn Віктор Іванович Мельник Hryhoriy Kaletnik

Saabunud / Received 28.05.2021 ; Aktsepteeritud / Accepted 22.06.2021 ; Avaldatud veebis / Published online 22.06.2021 ; Vastutav autor / Corresponding author: Juri Olt jyri.olt@emu.ee

Heap (data structure)

Distributor

10.15159/jas.21.19

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Citations (3)

Ethanol as Internal Combustion Engine Fuel

Elsevier eBooks (2018)

Risto Ilves A. Küüt Jü̈ri Olt

SPARK (programming language)

Two-stroke engine

Alcohol fuel

Four-stroke engine

Naturally aspirated engine

10.1016/b978-0-12-811458-2.00008-0

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Citations (14)

Developing and testing air-fuel mixture heating system for internal combustion engine

Engineering for Rural Development (2021)

Veljo Raide Risto Ilves Jü̈ri Olt

An internal combustion engine consumes a maximum of a quarter of the energy that is fed into it in the form of fuel.Most of the useful energy leaves the engine in the form of heat energy, specifically as exhaust gases.In addition, exhaust gases contain a number of harmful components, which can be significantly reduced by improving the efficiency of the combustion process.The aim of this article is, firstly, to provide an overview of the design and development of a heat exchanger, one which uses exhaust gas energy to heat the air-fuel mixture and which is installed into the fuel supply system; and secondly, to analyse the impact of the pre-heated air-fuel mixture on the test engine's output parameters.The improved fuel supply system allows for the more efficient mixing and heating of the air-fuel mixture.Heating the air-fuel mixture allows light and heavy fuels to be used in a spark ignition engine.Additional mixing and heating of the air-fuel mixture ensures a faster and more complete combustion process in the engine cylinder.The present study compares the efficacy and economical parameters of a small displacement, four-stroke, spark ignition engine, which is equipped with an advanced fuel system.Experiments were carried out using standard petrol, ethanol, and diesel fuels.Data gained from this experiment have been compared and presented.The results show that further mixing and heating of the fuel mixture makes it possible to use different fuels in a spark ignition engine, while also significantly reducing fuel consumption levels and the volume of harmful components in exhaust gases (such as CO, HC, CO2 and soot).

10.22616/erdev.2021.20.tf299

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Justification of parameters for novel rotary potato harvesting machine

Volodymyr Bulgakov В. С. Бончик Ivan Holovach Ivan Fedosiy Volodymyr Volskiy

Received: March 6th, 2021 ; Accepted: May 12th, 2021 ; Published: May 14th, 2021 ; Correspondence: jyri.olt@emu.ee

10.15159/ar.21.079

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Citations (5)