<div class="section abstract"><div class="htmlview paragraph">Cam gear is a critical component of the timing system in an internal combustion engine, ensuring synchronized opening engine valves, pistons, and rotating parts, but their unavailability may result long-term downtime or expensive replacement. Reverse engineering (RE) systems also play important role promoting sustainable practices projects automotive technologies. The study focuses on presenting proposed method for...

<div class="section abstract"><div class="htmlview paragraph">CNTs play an important role in modern engineering projects, especially engine pistons design for the next-generation of motorcycles. This work presents a comprehensive analyses proposed project using finite element method under actual operating conditions purpose performance evaluation motorcycle piston design, investigating suitability four distinct materials. Precise material properties adhering to linear elastic...

<div class="section abstract"><div class="htmlview paragraph">Recently, global interest in hydrogen as a powerful, promising and clean source of energy has increased. Green production (GHP) is considered one the most important modern projects worldwide, it way to achieve clean, healthy sustainable environment. GHP plays major role improve public health. There are several methods for producing or harvesting green hydrogen, famous which are: 1) The electrolysis water using proton...

<div class="section abstract"><div class="htmlview paragraph">Mechanical drawing plays an important role in managing, designing and implementing engineering projects, especially the field of automotive industry. The need for accuracy element design manufacturing is greater now than ever before industries. In order to increase accuracy, part function must be clearly communicated between engineer technicians, industry feeder industries projects. Geometric Dimensions Tolerances...

Advanced precise and accurate nanomeasurement techniques play an important role to improve the function quality of surface characterization. There are two basic approaches, hard measuring soft computing techniques. The advanced include coordinate machines, roundness testing facilities, roughness, interferometric methods, confocal optical microscopy, scanning probe computed tomography at level nanometer scale. On other hand, a new technical committee in ISO is established address...

This paper aims at studying the effect of dynamic errors on surface measurements using three different types touch trigger probes attached to a bridge-type-CMM. Unforeseeable root ductile probing system have been characterized theoretically and experimentally as well. The results were employed in validating developed analytical twodimensional-model (2DM) stylus tip be demonstrate capability such approaches emphasizing error concept, evaluate accuracy CMM measurements. A set experiments was...

Recently there has been a great concern in applying active airflow control to Small wind turbine blade airfoils improve the aerodynamic characteristics. One of these novel methods is application pulsed air jets. The current study involved experimental investigation effect pulse flow on performance parameters NACA 0012 airfoil at Reynolds number (Re) range from 0.5 × 10 5 1.4 . was studied frequencies 3, 6, and 9 Hz while keeping suction pressure −1200 Pa. results were compared standard clean...

Biomaterials measurement and standardization are necessary for suitable use in medical industries. Nanobiomaterials used living creature body, taking account of their biocompatibility, nontoxic non carcinogenic. These requirements eliminate many engineering materials that available. Thus, the nanobiomaterial should possess adequate physical mechanical properties surface characteristics to serve as augmentation or replacement body tissues. This paper discusses classification different...

Quality of coordinate measuring machine (CMM) in dimension and form metrology is designed performed at the NIS. The experimental investigation CMM performance developed by using reference Flick standard. measurement errors corresponding geometric evaluation algorithm (LSQ, ME, MC, MI) probe scanning speed (1, 2, 3, 4, 5 mm/s) are obtained through repeated arrangement, comparison, judgment. results show that roundness error deviation can be evaluated effectively exactly for Some influencing...

Dimensional metrology plays an important role in the modern manufacturing technology. Accurate machining technology remains main focus of global industry, where needs to permanent study for purpose improving. Coordinate is inspection tool dimension and geometrical surface form machined work-piece provide functionality quality process. Several factors affect accuracy manufactured parts when using circular pocket cycles on CNC centers. Such depends a great extent material, cutting conditions;...

Carbon nanotubes (CNTs) have become strongly promising nano-particles for developing novel smart polymer matrix nanocomposites to satisfy the ever increasing design requirements of recent avenues space industry and other special structural applications. The objective this paper is investigate influence doped dispersed CNTs in on its intrinsic properties. Three different types polymers; polyvinylchloride (PVC), polymethylemethacrylate (PMMA), polystyrene (PS) were subjected experimental...

Abstract Talyrond-TR is a modern sensitive instrument in nanometrology. The performance of machine very important to find an optimal result roundness measurement. In this paper, the experimental evaluation method 73 designed by using reference standard hemisphere. influence Talyrond measurement presented. Signal responses ten metrological strategic parameters have been analyzed and discussed. Deviation strategies corresponding four algorithms (LS), MZ, MC; MI) two software fitting filters...

There is a continuous need for innovative biomaterials with advanced properties to meet the biomechanical requirements of orthopedic implants and interventional devices. Recent research findings show that using material composites leads significantly improved properties, which are beneficial medical applications. Therefore, this work aims at studying polymer‐polymer high‐density polyethylene (HDPE) ultrahigh molecular weight (UHMWPE), were mixed without reinforcement multiwall carbon...

Cimadur river basin is one of the most important catchment areas in Lebak District, Banten Province. For past few years, has experienced floods during rainy season. The big issue flooding been recorded recently December 2019 which caused damage and negative impacts to local people surrounding community. This study aims analyze possibility flood peak discharges area river. are calculated for 2, 5, 10, 25, 50, 100 years return period based on daily rainfall data from year 2011 2020. land use...

Coordinate Measuring Machine (CMM) is nowadays widely used for a large range of accurate and precise dimensional measurements. The strategy µ-scale measurement expected to carry out with ever-increasing performance in term root error separation stylus system CMM machine accuracy. experimental analysis method this paper aims study the effect dynamic errors at different undulations per revolution (UPR) response artifact using selected two types touch-triggering stylus. Direction...

Nanotechnology has become extremely important in enhancing the potential of many applications. Carbon-nanotubes (CNTs) have recently most promising functional materials nanocomposites. They been extensively focused on over past few years due to its unique structural features, amazing properties and for technological The purpose this paper is conduct a parametric study investigate effect relevant different parameters that affect CNTs yield rate, structure quality during their production lab,...

Dimensional and surface quality for plate production control is facing difficult engineering challenges. One of these challenges that plates in large-scale mass contain geometric uneven surfaces. There a traditional measurement method used to assess the tile dimensions based on standard specifications: ISO-10545-2: 1995, EOS-3168-2: 2007, TIS 2398-2: 2008. A proposed ceramic oblong has been developed compared method. The strategy new CMM straightness instead centre point Expanded...

Carbon nanotubes (CNTs) have become strongly promising nanoparticles for developing novel smart polymer matrix nanocomposites to satisfy the ever increasing design requirements of recent avenues space industry and other special structural applications. The objective this paper is investigate influence doped dispersed CNTs in on its intrinsic properties. Three different types polymers; polyvinylchloride (PVC), polymethylemethacrylate (PMMA) polystyrene (PS) were subjected experimental...