The cumulative exergy method is used to analyze and optimize a heat pump distillation process with respect to the total environmental impact including resource use and emissions. The results from the proposed method are compared with the ones from thermoeconomics. It is found that such an extended exergy...

order to study the temperature field, stress field, strain field, thinning rate and phase distribution in the hot forming process of torsion beam, the thermal mechanical coupling numerical simulation method based on LS-DYNA is adopted in this paper. Study found: Due to the different regions of part contact...

With the help of topology optimization and coupling analysis, the virtual prototyping technology was first used in designing a GFRP engine mount frame. In this design, the topology optimization technology based on a variable density method was introduced in order to reduce the structural weight while...

The mixture model based on the Euler-Euler approach along with the standard k- turbulent model was employed to predict the two-phase flow and heat transfer in the external cyclic purification hot-dip galvanizing bath. The arrangement of the return and pump pipes was assessed to determine its effect on...

To gain a deeper understanding of damage evolution in carbon fiber-reinforced plastic (CFRP) composite materials, This paper addresses an application of recently developed Hilbert–Huang transform (HHT) signal processing technique on acoustic emission (AE) signals feature extraction of damage Mechanism...

In order to study the response behavior of engine rubber bushing under high speed impact, improve the simulation accuracy of the whole vehicle, the mechanical properties of rubber bushing was studied. The method of the drop-hammer impact on the rubber bushing was analyzed. A station was built with the...

In this paper, the CALPHAD Helmholtz energy approach, based on the Debye-Grüneisen model, has been used to calculate the thermodynamic and thermophysical properties of fcc Ag (Silver). Through this approach, thermodynamic properties, e.g. heat capacity and Gibbs energy, and thermophysical properties,...

The surface trajectory of lapping disc in lapping process was simulated in this paper. The simulation was based on the analysis of lapping disc wear trajectory by using the computer simulation technology. The law of disc wear trajectory and the influence of processing parameters were studied. The computer...

In this research, a Navier-Stokes equations based Newtonian fluid model was employed to conduct mathematical modeling on the polymer fluids with low shear rate under pressure-drag flow. Then, a weight function for the equations of the continuity and motion of the fluids is obtained by using an interpolation...

Data fusion of traffic parameters such as speed and density is a crucial study in intelligent transportation system, yet complicated to formulate mathematically. The aim of this paper is to study and model the multi-source fusion traffic flow data. Based on the data detected in a mega-city, the regression...

With the rapid growth of economy and population in coastal areas, floating waste has gradually become a new environmental issue. So floating junk clean-up work is exigent to be solved. Floating garbage mainly consists of floating solid waste and leakage of oil. Aiming at floating rubbish disposal, we...

Trichloroacetic acid (TCA) was used as a protein precipitation in the pretreatment process. The content of TCA in the sample was optimized. Lateral flow immunoassay (LFIA) based on superparamagnetic nanoparticle (SPMNP) probe for TTX detection was employed as a detection method. This article is intended...

Cyclohexanone pentaerythritol ketal was synthesized from cyclohexanone and pentaerythritol by condensation using NaHSO4 as catalyst and characterized by NMR and MS spectrum. Furthermore, the structure of the tile compound was confirmed by single-crystal X-ray diffraction. It crystallizes in orthorhombic...

Nuclear vessels hydrostatic test is one of the important test means of the nuclear vessel sealing and pressure resistance, this paper introduces the factors which need to consider when making the nuclear vessel hydrostatic test scheme , (such as: the choice of intake and exhaust point, the determination...

In this paper, "the board by force" plate girder bridge as the research object, proposed plate girder bridge Fissure assessment index grading disease;introduced without disrupting traffic hinge joints reinforced plastic injection force veneer bridge construction technology; for a 5-15m hollow slab bridge...

The typical 60Co irradiation room of hanging chain conveyor has been taken as a research subject. Ignition temperatures of common radiation cargo were measured through the experiment method, minimum ignition temperature is 210 °C. To get the temperature variation and temperature field under stuck radioactive...

The fire smoke movement of urban traffic link tunnel (UTLT) under the semi-transverse ventilation was studied by Fire simulation software(FDS). With the method of theoretical analysis and numerical simulation, 3 fire scenarios have been designed to obtain the fire smoke movement. The analytical results...

Determination of traces of metals in gases is achieved by using a combination of a Pyrex Gas Washing System and ICP-MS methods. A special purge and blank installation is designed to clean the system with purified Helium (6N). Three 125-ml bubbler tubes in series with a 20 ml of nitric acid (~20%) are...

In order to obtain all the optimal solutions of multimodal functions as much as possible, a multi peak function optimization based on uniform design is proposed. The algorithm adopts uniform design to initialize the population and ensure the uniformity and diversity of the initial antibody population...

Smart grid is a complete automation system, where large pool of sensors is embedded in the existing power grids system for controlling and monitoring it by utilizing modern information technologies. The data collected from these sensors are huge and have all the characteristics to be called as Big Data....

This paper is analyzing the impact of Curtain Wall technology for high-rise building style from the views of Curtain Wall technical attributes and history restoring. And it will get the intrinsic link between development of Curtain Wall technology and high-rise building style. Art development was promoted...

In order to study the effects of shipboard environment on solid motor grain, the ambient temperature in multi-launch containers were monitored. The temperature and stress fields of solid propellant grain under different ambient temperature were obtained using three-dimensional viscoelastic finite element...

A region growing algorithm based on fuzzy connectedness is proposed in this thesis to solve the military targets' damage problems that the traditional region growing algorithm couldn't handle properly. In this algorithm, the fuzzy connectedness is regarded as the measurement of level of similarity between...

The buried sewage pipes of a large industrial plant area is deformed and blocked due to soil compression and other causes. The guided boring non-excavation technology is used to safely and efficiently complete repair for sewage pipes. Based on engineering practice, this paper discussed the working principle,...

Roof leakage has become a common problem on housing quality, which not only affects normal use of houses, and erodes the main structure of buildings, but brings about great challenge to infrastructure maintenance and seriously shortens service life of buildings. Starting with the common causes for roof...

Airborne Electronic Equipment data is unmeasurable, and computing the parameter based on component model is inaccurate and is time costing. The paper presents airborne electronic equipment parameter estimate method based on clustering by fast search and find of density peaks (CFSFDP) and ant colony optimization...