Search
91 articles for “Valves”
-
AUTOMOTIVE VALVE-TRAIN COMPONENTS DURABILITY ANALYSIS USING FINITE ELEMENT METHOD APPROACH: A REVIEW
Abstract: An internal combustion (IC) engine valves is poppet valves used to control the flow of air /fuel mixture in the engine and escape of exhaust combustible gases from the engine using intake and exhaust valves respectively. Inside an engine the combustion process majorly depends on timing of Air/Fuel mixture induction and release of gases. Both Intake and Exhaust valve also form a seal between the working space inside the cylinder …
Published in Trends in Machine design · Vol. 5, Issue 1, 2018 · pp. 54–66 Read article
-
Real-time Gas Lift Valve to Enhance Well Performance
Abstract: Optimum production from a gas lift well mainly depends on proper injection gas quantity; injection pressure and depth of injection and gas lift valve performance. The quality of down hole gas lift valves plays a crucial role in achieving maximum efficiency of a gas lift system and uninterrupted oil and gas production. Gas lift valves can aid in the unloading and produce of a well. With the valves properly spaced …
Published in Journal of Petroleum Engineering & Technology · Vol. 6, Issue 2, 2016 · pp. 1–10 Read article
-
Thermal Analysis and Computer Aided Exhaust Valve Design Automation Using CREO and Microsoft Excel Spreadsheet
Abstract: 3D modeling has widely been used because of their ease in visualization, understanding andgeneration of manufacturing drawing sheets compared to 2D drafting. 3D Modeling is the timeconsumingprocess and many draftsmen does not have the skill to draw a 3D object inside a CADpackages. Internal combustion engine consists of two type of valves inlet valve and exhaust valve. Thepair of inlet and exhaust valve is called as poppet valves. Exhaust valve …
Published in Trends in Machine design · Vol. 8, Issue 1, 2021 · pp. 26–41 Read article
-
Structural and Thermal Analysis of Ball Control Valve: A Review
Abstract: AbstractA ball valve is a type of flow control device, which is widely used to regulate a fluid flowing through a section of pipe. Currently, analyses and optimization are of special important in the design and usage of ball valves. For the analysis, finite element method (FEM) is often used to predict the safety of valve disc, and computational fluid dynamics (CFD) is commonly used to study the flow characteristics …
Published in Recent Trends in Fluid Mechanics · Vol. 5, Issue 2, 2018 · pp. 30–35 Read article
-
Design, Analysis and Experimental Study of Worm and Worm Gear Pair for Plug Valve Application
Abstract: The present work deals with the design procedure, load carrying capacity, mathematical modelling,analysis of worm and worm gear for plug valve application. The plug valves are used in various fluidservices applications. It performs well in slurry applications. It is also used in air, gaseous servicesand oil piping systems and a like applications. In plug valve the main and important function of theworm gear drive is to reliably transmit torque and …
Published in Trends in Machine design · Vol. 8, Issue 1, 2021 · pp. 11–20 Read article
-
Thermal Comfort Analysis Thermostat Valve
Abstract: Recent analysis that has given performance on the basis of thermal analysis of thermostat valve. Play an important role in automobile Cooling system. And its performance can change according to its different temperature conditions. Thermostat valve has been extensively study with the primary direction it's Bring Down engine temperature and upgrade performance of engine. Thermostat valve play an important role in automobile cooling system for durable the engine temperature in …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation Read article
-
Maximizing Flow and Ensuring Leak Tightness Through Design and Development of a Unidirectional Check Valve
Abstract: The check valve market, valued at USD 6.5 billion in 2024, is expected to grow at a 4.1% CAGR. Challenges in valve seat materials, particularly SS304 and PTFE (Teflon), contribute to a 0.5% leak rate, which leads to helium gas loss, reduced efficiency, and higher operational costs. While various sealing techniques, including hard-on-soft methods, have been explored, few have been applied to poppet check valves. This study focuses on improving …
Published in International Journal of Industrial and Product Design Engineering · Vol. 2, Issue 2, 2024 · pp. 10–18 Read article
-
Optimization of Stellite Defect in Manufacturing of Engine Valves: A Review
Abstract: Intake and exhaust valves are the important components of an engine valves which are used to control flow and replacement of fuel gases inside the cylinder. This work mainly deals with defect known as stellite defect in different sizes of engine valves; and methodology adopted to prevent valve from stellite defect. Valve base material is low alloy steel (AISI 4140) and upper surface of engine valve is generally hard faced …
Published in Journal of Automobile Engineering and Applications · Vol. 3, Issue 1, 2016 · pp. 1–4 Read article
-
Wear Analysis of Al-SiC Composite Valve Guide by Using ANSYS: A Review
Abstract: This application of using that can promise for the future growth. To finding a wear rate of the material and comparing to the cast iron basically using in continuous life. First of all aluminum silicon carbide using in aerospace engineering, Then some few year this composite material also can be used in automobile engineering. Aluminum silicon carbide mostly used there excellent properties like high wear resistance, low density, good strength …
Published in Journal of Automobile Engineering and Applications · Vol. 2, Issue 3, 2015 · pp. 23–29 Read article
-
Characteristic study of Block and Bleed Valve in Petrochemicals Industries for the Steam Supply
Abstract: This paper gives the idea of the use of the on/off valves in Petrochemical Industries for the steam supply. The on/off valves are used to block the inlet and the outlet side in the process when the pressure at the outlet is less than the inlet. The pressure switch is used to set identify the pressure drop and when the pressure is less than the set pressure the switch gets …
Published in Journal of Petroleum Engineering & Technology · Vol. 4, Issue 3, 2014 · pp. 27–30 Read article
-
Modification of gating System of Ball Valve Component using Soft-cast Simulation
Abstract: There are two main important considerations in castings are quality of the casting and yielding of the casting due to which scrape of material will reduce. Production of good quality casting mainly depends upon the gating system. In casting process gating and risering system has direct effect on its quality. Generally, many industries follow the trial and error method for casting process which is not economical for foundries for long …
Published in Trends in Mechanical Engineering & Technology · Vol. 7, Issue 3, 2017 · pp. 79–85 Read article
-
Analysis of Surface Roughness and Material Removal Rate in Engine Valve Turning Operation of Material SUH3
Abstract: The purpose of this paper is to present an experimental work attempting to optimize the influencingprocess parameters involved in dry machining of the exhaust engine valve of material martensiticstainless steel grade SUH3. Looking at available literature it is observed that a lot of work can be donein the field dry machining related to surface integrity but no work can be reported on investigationimplementation of dry machining in engine valve manufacturing …
Published in Journal of Automobile Engineering and Applications · Vol. 8, Issue 1, 2021 · pp. 17–22 Read article
-
Design, Fabrication and Testing of Safety Valve Vent Silencer with Cyclone Separator for Industrial Applications
Abstract: The aim of this research work is to safeguard the infill materials, which is used inside the safety valve vent silencer. This research will help the infill materials from the wet steam and increases the life of the infill materials. The main parts of the research project are the cyclone chamber, center pipe. This cyclone separator drains the condensate through the lower part of the silencer and the steam releases …
Published in Journal of Industrial Safety Engineering · Vol. 8, Issue 1, 2021 · pp. 22–27 Read article
-
Design, Fabrication and Testing of Safety Valve Vent Silencer with Cyclone Separator for Industrial Applications
Abstract: The aim of this research work is to safeguard the infill materials, which is used inside the safety valve vent silencer. This research will help the infill materials from the wet steam and increases the life of the infill materials. The main parts of the research project are the cyclone chamber, center pipe. This cyclone separator drains the condensate through the lower part of the silencer and the steam releases …
Published in Journal of Industrial Safety Engineering Read article
-
Chlorine Leakage from Control Valve in Charging Station Pipeline: A Case Study
Abstract: This paper describes accidental release of chlorine gas from control valve through a chlorine charging system in a green color pigment manufacturing chemical industry. The chlorine gas dispersed over the entire reactor floor and nearby area at night time shift work. This paper presents root cause analysis of the incident. Corrective and preventive measures are also discussed. Finally, conclusions reached with recommendations are drawn for industrial facilities for handling and …
Published in Journal of Industrial Safety Engineering · Vol. 1, Issue 2, 2014 · pp. 1–6 Read article
-
Reliability Analysis using Fault Tree Criterion: A Case Study of Inlet Guide Valve of Centrifugal Air Compressor
Abstract: Inlet guide valves (IGVs) are one of the most important components in centrifugal air compressors. Evaluating and analyzing the workings and potential failures of IGV ensures efficient working of centrifugal air compressor by eliminating the potential failure modes. Also, analyzing the risk of the component helps in ensuring reliability and safety, which can in turn ensure higher availability and utilization of the system as a whole. Reliability of IGV will …
Published in Journal of Industrial Safety Engineering · Vol. 1, Issue 2, 2014 · pp. 7–12 Read article
-
Modeling of Valveless Piezoelectric Micropump for Insulin Delivery System
Abstract: In order to cope up with the rising needs of micro-electro-mechanical systems (MEMS) in the fields of biological and medical applications, important progress of the micropump as one of the essential fluid handling devices to deliver precise amounts of fluids is considered. The micropump consists of two fluid diffuser/nozzle elements on each side of a chamber volume with an oscillating diaphragm. The vibrating diaphragm produces an oscillating chamber volume, which …
Published in Journal of Mechatronics and Automation · Vol. 2, Issue 1, 2015 · pp. 50–59 Read article
-
Percentage Changes According to Pathological Finding of Senile Calcification in Fibrous Skeleton of the Heart
Abstract: Fibrous skeleton of the heart consists of aortic valve annulus (AVA), pulmonary valve annulus (PVA), tricuspid valve annulus (TVA), bicuspid valve annulus (BVA) and fibrous trigone of right and left heart (RFT and LFT), and some senile changes like calcinosis begin to develop as growing old. The senile calcification in the fibrous skeleton of the heart leads to several complications such as valve disorders and block of conduction. We studied …
Published in Research and Reviews: A Journal of Medicine · Vol. 9, Issue 3, 2019 · pp. 29–34 Read article
-
Modeling and Optimization of Continuous Gas Lift Performance in Libya Oil Field
Abstract: With a massive number of oil and gas field becoming mature, the upstream engineering is facing new challenge. How to develop , or at least steady production while keeping obtainable reserves at their existing level, As matter of fact unstable production in gas lift wells. The Key issues most operators encounter with oil fields are the effects of high water production that may lead to wells died and decrease in …
Published in Journal of Petroleum Engineering & Technology · Vol. 8, Issue 3, 2018 · pp. 40–48 Read article
-
AI in Pharmacy Automation: A Review of Innovations in Robotics, Their Ethical Implications, and Impact on Workflow and Workforce
Abstract: The pharmacy profession has witnessed a paradigm shift with the integration of robotics and artificial intelligence (AI) in automation. Traditional practices that relied heavily on manual dispensing, paper documentation, and technician labor are now being augmented or replaced by robotic dispensing systems, sterile compounding machines, and predictive AI algorithms. These innovations enhance safety, improve efficiency, and reduce errors, while also raising complex ethical questions related to workforce displacement, liability, and …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 17, Issue 1, 2026 · pp. 01–07 Read article