In this study, comparative performance of single-segmental baffle and a newly developed baffle – convex-cut in shell-and-tube heat exchanger were both numerically and experimentally investigated. For the numerical analysis, three working fluids (engine oil, water and air) were su...
Open access
Research Article10.9734/jerr/2020/v13i317101
Basements of hospitals are generally used as indoor parking area. When underground car parks are examined physically, it is not possible to ventilate them by natural roads. Therefore, in order to keep the density of harmful gases below certain limits; ventilation systems must be...
Open access
Research Article10.9734/jerr/2020/v13i317102
There are a number of untapped opportunities for cross-border logistics cooperation, one of which is the operation of virtual logistics centers. The Institute of Logistics of the University of Miskolc researched the possibilities of establishing and operating Virtual Logistics Ce...
Open access
Research Article10.9734/jerr/2020/v13i317100
In India, the death toll due to breast cancer is increasing at a rapid pace. Only early detection and diagnosis is the way of control but it is a major challenge in India due to lack of awareness and lethargy of Indian womentowards health care and regular check-up. But the major...
Open access
Research Article10.9734/jerr/2020/v13i217105
Nowadays, manufacturing and service companies are increasingly using new IT-based methods and solutions. Two of these areas are the use of augmented reality (AR) and virtual reality (VR). Kyrgyz National Agrarian University named after K.I. Skrybian (KNAU) and Kyrgyz State Techni...
Open access
Research Article10.9734/jerr/2020/v13i217107
Semiconductor package miniaturization and thinning have become of particular interest among semiconductor manufacturing industries, with each manufacturing company having specific approach and technical directions in providing unique solutions in their products. The paper provide...
Open access
Research Article10.9734/jerr/2020/v13i217099
This paper presents further results of experimental testing and analytical investigation on the mechanical properties of fiber composite sleeper in order to evaluate its strength and behavior. Recycled high density polyethylene, iron slag, calcium carbonate, styrene and polyester...
Open access
Research Article10.9734/jerr/2020/v13i217098
The paper presents a study of common-gate amplifier focused in small-signal analysis. Small-signal or frequency response of the amplifier determines the maximum frequency of operation and the effective bandwidth of the circuit. With the analysis, the circuit could be modeled and...
Open access
Research Article10.9734/jerr/2020/v13i217097
For achieving satisfactory performance of coating layers obtained using the thermal spray technique, pre-treatments are carried out by roughening the smooth surfaces of metals to more than a few tens of μm. Although a surface roughness tester is reliable for quantitatively measu...
Open access
Research Article10.9734/jerr/2020/v13i217095
The present investigation discusses the characteristic of leachate generated from municipal solid waste landfill and it adverse impacts on downstream water quality. Landfill leachate was collected from a hole dug 10 m away from the waste dump site and the appearance of the leacha...
Open access
Research Article10.9734/jerr/2020/v13i217096