Department of Energetics
Permanent URI for this collectionhttps://rims.khazar.org/handle/123456789/216
Browse
Browsing Department of Energetics by Subject "02 engineering and technology"
Now showing 1 - 2 of 2
- Results Per Page
- Sort Options
- Some of the metrics are blocked by yourconsent settings
Publication Low-Cost Mine Detector Design Using Magnetic Anomaly Method(2022-06-17) ;Mehmet Fatih IŞIK ;Çağrı SUİÇMEZCemal YILMAZBuried mines pose great dangers to humans and animals around the world, which means thousands of people die each year from buried mines. Detecting and destroying these mines without harming people is an important issue. Today, these landmines are detected using different methods such as Ground Effect Radar, Electromagnetic induction, Infrared and Nuclear Quadrupole Resonance and active sensors are generally used in most of these methods. Although active sensor-based landmine detectors are often used for performance reasons, they can cause unintentional landmine explosions because they operate with transmitted and reflected signals. On the other hand, there is no such obstacle that can perform better in passive sensor-based landmine detectors depending on the design criteria. Therefore, in this study, a prototype design including passive sensor with magnetic anomaly method has been developed and shown. For the performance analysis of this detector, real landmines are used and the designed system is tested with different distance values in different soil types. The results show that the prototype produced successfully detects different types of landmines, is assertive in its lightness and only 1750 grams with its battery, providing sensitivity as well as advantages such as ease of use and low cost. It also shows the feature of being the first handheld landmine detector based on magnetic anomaly. - Some of the metrics are blocked by yourconsent settings
Publication Thermophysical properties of Diesel fuel over a wide range of temperatures and pressures(2018-01-04) ;Astan Shahverdiyev ;Ulkar Ashurova ;Javid Safarov ;Javid Safarov ;Egon Hassel ;Bahruz AhmadovElshan AbdullayevAbstract (p,ρ,T) data of two different Diesel fuel samples (Hallen DK B0) over a wide range of temperatures and pressures p up to 200 Pa [Hallen DK B0 from 2015 year (B0 2015) over a wide range of temperatures at T = (263.15 to 468.48) K and from 2016 year (B0 2016) at T = (263.15 to 468.40) K] are reported. The experimental measurements of Diesel fuel properties at high pressures and wide range of temperatures is of increasing interest in engine fuel injection. The measurements were carried out with an Anton Paar DMA HPM vibration tube densimeter. An equation of state (EOS) for fitting of the (p,ρ,T) data of Diesel fuels has been developed as a function of pressure and temperature. After a thorough analysis of literature values and validity of the constructed equation of state, various thermophysical properties such as isothermal compressibility, isobaric thermal expansibility, differences in isobaric and isochoric heat capacities, thermal pressure coefficient, internal pressure at temperatures [T = (263.15 to 468.48) K] and pressures p up to 200 Pa were calculated. The vapor pressure measurements of Diesel fuels were measured using the two high-accuracy static experimental set ups. Additionally, heat capacity, viscosity and speed of sound of diesel fuels at ambient pressure p = 0.1 MPa and various temperature intervals were measured using an accuracy installations. Other thermophysical properties, like specific heat capacities at constant pressure cp(p,T) and volume cv(p,T), speed of sound u(p,T) and isentropic expansibility κs(p,T) at temperatures T = (263.15 to 468.48) K and pressures p up to 200 MPa have been evaluated.