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Selection of gensets using multicriteria analysis

Barešić Dejan, Hederić Željko, Barukčić Marinko

Journal of Power Technologies

2022

Vol. 102, nr 2

56--67

The paper presents a procedure for the optimal selection of diesel generators used to supply electrical units in military camps. Using a multi-criteria analysis based on the criteria presented in the paper, a new method is introduced that's not been used before for making decisions on optimal equipment. Daily load curves were created for the selection of diesel generators. These curves, together with the performance diagrams, served as the basis for calculating diesel consumption. The results allow an accurate assessment of the relative importance of the criteria used in the multi-criteria analysis. In addition to fuel consumption, other criteria such as maintenance costs, reliability, noise level, etc. were also examined. Their relative importance was assigned on the basis of technical documentation and existing maintenance records showing the frequency of breakdowns and maintenance costs. The AHP method was used to solve problems with multiple criteria. The results were processed using Expert Choice software. The analysis showed that an appropriate choice of diesel generator power can lead to lower fuel consumption. The results based on the established criteria show that the optimal choice is a 100 kW diesel generator.

Research of the internal environment of the military camp buildings

Patonai Zoltán, Géczi Gábor

Science, Technology and Innovation

2021

Vol. 13, no. 2

35--40

One of the key tasks of this research work is to assess the carbon dioxide (CO₂) pollution in the resting areas of military camps under the current deployment conditions and to assess its impact on soldiers. In the process, the environmental impacts that affect the CO₂ concentration were researched in different rooms in different ways. In addition to the rest areas of a military camp, enumerating the major camp facilities that affect the “welfare” feeling of soldiers on foreign mission, we arrived at the kitchen complex and the work environment of the kitchen staff. One of the key parts of the camp kitchen complex is the food storage, where the raw materials needed for the supply are stored. Storage is very important in a crisis situation, when you have to be prepared to stay away from the homeland, to prevent any supply or procurement problems. A particularly important task in providing food raw materials is the so-called “Fresh” storage. The aim of the paper is to examine the changes in the CO₂ concentration of the camp storage room, which is of key importance in food supply, in the vegetable (fruit) storage places. By modeling at a measurement site set up in the laboratory of the host institution, we measure the CO₂ composition of the indoor air in the warehouse by placing various vegetables and fruits. The change of CO₂ concentration is examined separately for certain types of vegetables and fruits stored in closed storage rooms, taking into account the degree of effective storage capacity and determine the required fresh air value to ensure proper storage conditions. Finally, a mathematical model to simulate changes in storage conditions will be created, which offer help to plan of the military camp.