Abstract This paper presents a finite element simulation of equal channel angular pressing (ECAP) since it is one of the most common and successful severe plastic deformation techniques. This study reports the influence of the most significant factors influencing the ECAP technique. Through finite element simulation, the effect of the die geometry, workpiece geometry, and the pressing speed on the effective strain distributions, damage, and pressing loads, were investigated. The influence of...
Abstract Respiratory rate is an indicator of a broilers’ stress and health status, thus, it is essential to detect respiratory rate contactless and stress-freely. This study proposed an estimation method of broiler respiratory rate by deep learning and machine vision. Experiments were performed at New Hope (Shandong Province, P. R. China) and Wen’s group (Guangdong Province, P. R. China), and a total of 300 min of video data were collected. By separating video frames, a data set of 3,000...
Abstract: Experimental studies were undertaken to investigate the effect of reinforced fibre hybridization on the crushing characteristics of quasi-static laterally compressed cylindrical composite tubes. Woven glass fibre (GF) and woven bombyx mori fibre (B.mori) were used as reinforcements and industrial epoxy was used as the matrix material to fabricate the reinforced hybrid composite specimen. Three sets of specimen were fabricated, (1) glass fibre/epoxy (2) B.mori fibre/epoxy and (3) GF...
TABLE OF CONTENTS Executive summary ………………………………………………… 1.1 Introduction ………………………………………………………… 1.2 An overview of engineering ………………………………… ………. 1.3 Brief Overview of Mechanical engineering …………………………... 1.4 Who is an engineer ………………………………………………….….. 1.5 Economic situation in Nigeria …………………………�...
v> In the present exceptionally serious worldwide market, winning expects close wonderful quality. Albeit most mature associations work their cycles at exceptionally low imperfections per million open doors, clients expect totally deformity free goad ucts. Thus, the brief location of interesting quality occasions has turned into an issue of fundamental significance and a chance for assembling organizations to push quality norms ahead. This article presents the educational experience ...
AI has as of late tracked down numerous applications in aviation and remote detecting. These applications range from predisposition rectification to recovery calculations, from code speed increase to identification of illness in crops. As a wide subfield of computerized reasoning, AI is worried about calculations and methods that permit PCs to "learn". The significant focal point of AI is to extricate data from information consequently by computational and measurable techniques. Over th...
The engineering characterization of Ogbeke clay deposit has been investigated with a view of finding its usefulness in furnace refractory production and home. The chemical composition analysis was carried out using Atomic Absorption Spectroscopy (AAS). The physical properties tests such as shrinkage, porosity, water absorption, modulus of rupture, refractoriness, moisture content, plasticity, cold crushing strength, thermal shock resistance and particles size analysis were carried out using i...
Abstract: Steel machining waste known as chips is a kind of waste that can be returned to the process of raw material for steel fabrication or else be traded as co-product of other industrial activities. The reuse of this product is of great importance owing to the economic and environmental aspects. This work investigates the effect of steel machining chips as additive on the properties of clay. The physical properties of the clay and steel machining chips composite were determined. The c...
The capability of carbon nanotubes (CNTs) in efficient transporting of drug molecules into the biological cells has been the focus of attention of various scientific disciplines during the past decade. From applied mechanics points of view, translocation of a nanoparticle inside the pore of a CNT would result in vibrations. The true understanding of the interactive forces between the moving nanoparticle and the inner surface of the CNT is a vital step in factual realization of such vibrations...
Abstract Murmu et al. [23] recently presented a nonlocal model for the transverse vibration of simply supported graphene sheets in the presence of a unidirectional in-plane magnetic field. Further studies showed that the majority of Lorentz's force components were improperly provided and led to invalid governing equations. To remove such deficiencies, the most general form of Lorentz's force components is carefully extracted in the present work. The nonlocal equations of motion of the problem...
Abstract The pumps work differently in terms of performance characteristics when operated in reverse mode to generate mechanical rotational energy driven by the water energy. The performance characteristics related to head, flow rate, specific speed and efficiency have been predicted differently from available conversion methods. Also, the procedure of selecting pump as hydro-turbine varies from different conversion methods. This article presents the methodological approach of evaluating th...
Abstract A novel study on biomass-air gasification using a horizontal entrained-flow gasifier has been conducted. The use of a horizontal entrained-flow gasifier reactor was employed to assess the effect of the gasifier reactor orientation on the gasification process. The gasification experiments were conducted at 800˚C and equivalence ratio of 0.23 while maintaining gas hourly space velocity (GHSV) of 8000 h−1 . Preparation and characterisation of wood powder were performed using classic...
The qualities of Nigerian graduates have been a source of concern.The polytechnics have come under criticisms as lacking capacities to turn out competent technologists. However,this paper picks this issue from a different angle.The graduating grade so fa sample of engineering students in apolytechnic were correlated with their entry performances (Secondary Certificate and Matriculation Examinations) over three sessions. The correlation was weak (r=0.13;Ho:=0 accepted at =0.025) whil...
ABSTRACT This work builds on an earlier work done which used global coordinates where a large number of elements were needed to form a convergence of results for shop built spherical pressure vessels. In this work area coordinates were used. Any action that leads to an inability on the part of a structure to function as intended is known as failure. This research, therefore, investigates stresses developed in a shop built carbon steel spherical storage vessels using finite element approach...
ABSTRACT Monitoring of surface roughness is an essential component in planning of machining processes as it affects the surface quality and dimensional accuracy of machined components. In this study, the development and application of a machine vision system suitable for on-line measurement of surface roughness of machined components using artificial neural network (ANN) is described. The system, which was based on digital image processing of the machined surface, consisted of a CCD camera, ...