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View article: The study of the influence of speed regimes on smoke emissions for a diesel injection car
The study of the influence of speed regimes on smoke emissions for a diesel injection car Open
Because the air pollution is a serious environmental problem, this study aims to identify the smoke emissions level of different driving regimes for diesel-powered vehicles that run on roads in urban and extra-urban areas. For the experime…
View article: Heat requirement in an indoor recirculating aquaculture system
Heat requirement in an indoor recirculating aquaculture system Open
Due to the benefits of the recirculating aquaculture system (RAS), many fish farmers are choosing this system. Some farmers chose indoor RAS, where fish tanks are kept inside buildings or greenhouses. Heating the buildings and the makeup w…
View article: Nonlinear deformation of BCC metal Fe and BCC Interstitial alloy FeSi: dependence on temperature, pressure and silicon concentration
Nonlinear deformation of BCC metal Fe and BCC Interstitial alloy FeSi: dependence on temperature, pressure and silicon concentration Open
Based on our model and theory of nonlinear deformation for BCC binary interstitial alloy built by the statistical moment method, we perform numerical calculations for characteristic quantities of nonlinear deformation such as the density o…
View article: Study of Nonlinear Deformation of FCC‐AuCuSi under Pressure by the Statistical Moment Method
Study of Nonlinear Deformation of FCC‐AuCuSi under Pressure by the Statistical Moment Method Open
In this work, we build the model and derive the theory of nonlinear deformation for substitutional alloy AB with interstitial atom C and face‐centered cubic structure under pressure from the statistical moment method. The calculation resul…
View article: Influence of heating rate, temperature, pressure on the structure, and phase transition of amorphous Ni material: A molecular dynamics study
Influence of heating rate, temperature, pressure on the structure, and phase transition of amorphous Ni material: A molecular dynamics study Open
The present article is aimed to investigate influence of the heating rate, temperature (T), pressure (P) on the structure and phase transition of amorphous Ni material with heating rate 2 × 105, 2 × 106 and 2 × 107 K/s at T = 300 K; T = 30…
View article: Static and thermal behaviour of ship structure sandwich panels
Static and thermal behaviour of ship structure sandwich panels Open
The mechanical properties of certain flexible core materials of ship structure sandwich panels, having skins made of metallic or composite laminates maybe significantly influenced by the temperature variations that may occur during the ope…
View article: Experimental study of NO<sub>x</sub> and CO<sub>2</sub> emissions at load regimes for a passenger car powered by direct injection diesel engine
Experimental study of NO<sub>x</sub> and CO<sub>2</sub> emissions at load regimes for a passenger car powered by direct injection diesel engine Open
The paper presents a study of NO x and CO 2 emissions for a standard diesel direct injection engine, which equips the Renault-Dacia Solenza 1.9D-SDI cars. The different pollutions levels are analysed between idling regimes and medium and h…
View article: The melting temperature of BCC perfect ternary alloy FeCrC under pressure
The melting temperature of BCC perfect ternary alloy FeCrC under pressure Open
The analytic expressions of the mean nearest neighbour distance, the free energy, the absolute stabilizing temperature of alloy state and the melting temperature for substitution alloy AB with interstitial atom C and body-cantered cubic st…
View article: Thermodynamic properties of interstitial alloy FeC with BCC structure under pressure
Thermodynamic properties of interstitial alloy FeC with BCC structure under pressure Open
The analytic expressions for the thermodynamic quantities such as the mean nearest neighbor distance, the free energy, the isothermal compressibility, the thermal expansion coefficient, the heat capacities at constant volume and at constan…
View article: Reducing NO<sub>x</sub> emissions from tractor engines by using the diesel fuel and rapeseed oil blend
Reducing NO<sub>x</sub> emissions from tractor engines by using the diesel fuel and rapeseed oil blend Open
The paper presents the influence of the use of rapeseed oil and diesel mixture on diesel engine performance and pollutant emissions. The main focus of the study is to identify the possibility of using rapeseed oil mixed with diesel at trac…
View article: Influence of the Thermal Field on Static Behaviour of Sandwich Structures
Influence of the Thermal Field on Static Behaviour of Sandwich Structures Open
In this paper, numerical and experimental studies on the influence of the thermal field on behavior of the structure of sandwich plates in three points bending is analysed. Various materials are used so for skins. For the core only extrude…
View article: Materiale compozite pe baza de deseuri de beton celular autoclavizat si rasina poliesterica nesaturata
Materiale compozite pe baza de deseuri de beton celular autoclavizat si rasina poliesterica nesaturata Open
This paper presents an experimental study on the potential use of new type of composite as insulation material. The composite material (AACW-UPR) was synthesised through mixture between the Autoclaved Aerated Concrete Waste (AACW) as fille…
View article: Thermodynamic properties of FCC interstitial alloy AuSi with defects
Thermodynamic properties of FCC interstitial alloy AuSi with defects Open
The analytic expressions for free energy, concentration of the equilibrium vacancies and thermodynamic quantities such as the isothermal compressibility, thermal expansion coefficient and heat capacities at constant volume and at constant …
View article: Mathematical modelling and optimization of the thermomechanical treatment process applied to AlZn4.5Mg1Cu alloy
Mathematical modelling and optimization of the thermomechanical treatment process applied to AlZn4.5Mg1Cu alloy Open
The paper presents the results of the experimental researches as a result of applying the thermo-mechanical treatment for the AlZn4.5Mg1Cu alloy used in the aeronautical industry, in order to optimize the processing parameters. The researc…
View article: Thermodynamic properties of BCC interstitial alloy FeH under pressure
Thermodynamic properties of BCC interstitial alloy FeH under pressure Open
The analytic expressions of the mean nearest neighbor distance, the free energy and the thermodynamic quantities for interstitial alloy AB with body-centered cubic (BCC) structure under pressure are derived by the statistical moment method…
View article: Vehicles Emissions Under Different Driving Conditions in Urban Areas
Vehicles Emissions Under Different Driving Conditions in Urban Areas Open
The road traffic is one of the main sources of atmospheric pollution in urban areas. This study aims to identify the emissions level for different driving regimes of diesel-powered vehicles that run into urban areas. The study has been per…
View article: An analysis of the viability of implementing steam screw machines at the facilities of energy generation enterprises to reduce the energy costs for their own need
An analysis of the viability of implementing steam screw machines at the facilities of energy generation enterprises to reduce the energy costs for their own need Open
Reducing the energy consumption for the own needs of energy sources is an urgent task that can be solved by organizing our own energy sources by using the potential energy of water vapor in steam screw machines. The article discusses some …
View article: A comparative study of smoke emissions between idling regimes and high load regimes for a standard diesel direct injection car
A comparative study of smoke emissions between idling regimes and high load regimes for a standard diesel direct injection car Open
The paper presents a study of smoke emissions for car Dacia Solenza 1.9D-SDI (63HP) which was produced by Renault in Romania. A similar engine can also be found on the Kangoo Express and Kangoo Passenger cars respectively. Smoke emissions …
View article: The Influence of Moisture on Thermal Conductivity for Building Materials
The Influence of Moisture on Thermal Conductivity for Building Materials Open
The purpose of the study is to determine the influence of moisture on thermal conductivity for a range of building materials. A series of building materials and insulation materials have a porous, fibrous or granular structure, in which bl…
View article: Impact of air conditioning system operation on increasing gases emissions from automobile
Impact of air conditioning system operation on increasing gases emissions from automobile Open
The paper presents a study concerning the influence of air conditioning system operation on the increase of gases emissions from cars. The study focuses on urban operating regimes of the automobile, regimes when the engines have low loads …