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262 articles for “pumping”
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Performance Simulation of Ground Source Heat Pump System based on Low Enthalpy Geothermal Systems
Abstract: Geothermal energy is a clean and sustainable source of energy, which can be used to reduce individual carbon footprints of buildings and make environment pollutant free. This paper gives the idea of implementation and simulation of ground source heat pump (GSHP) system operating with a low enthalpy geothermal resource, which can be utilized for space heating and cooling in industrial and domestic applications. Simulation study is carried out taking various …
Published in Emerging Trends in Chemical Engineering · Vol. 4, Issue 1, 2017 · pp. 29–39 Read article
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Design and Testing of Self-inflating Tyres for Passenger Car Using Peristaltic Pump Principle
Abstract: One of the major issues in today’s automotive sector is under-inflated tyres. In this category at least a single tyre in 27% of passenger’s cars and 33% of light trucks and SUV faces under-inflation by more than 25%, finally concludes with 4.69 billion liter of fuel wasted per year. Under-inflation and over-inflation conditions also affect the safety, fuel economy, tyre longevity, environmental and driving performance. One of the solutions to …
Published in Journal of Automobile Engineering and Applications · Vol. 6, Issue 3, 2019 · pp. 11–17 Read article
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Capacity Estimation of Pump Storage System for Microgrid with Resourceful Use of RES in Deregulated Power Sector
Abstract: The present era dominates with green energy, such as the wind, solar, geothermal, tidal, ocean, bio, etc., since these sources plentifully available, pollution free, zero noise. Power shortages in rural, as well as remote areas, encourage the development of green energy sources. To meet the demand by dissimilar configurations such as standalone or grid interconnected microgrid. Standalone green energy microgrid provides the most appropriate solution for electrification of rural and …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 7, Issue 3, 2016 · pp. 37–50 Read article
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Fatigue Assessment for Pump Tower Tubular Joints under Partial Penetration Welds
Abstract: ABSTRACT In this paper the fatigue capacity of the tubular joints of the tripod pump tower structure installed in the cargo tanks of membrane type LNG vessels is studied using fatigue assessment methodology specified in Class Code such as DNVGL-RP-0005 [1]. The stress concentration factors and the S-N curve used in this methodology are normally valid for the weld toe location where fully penetration weld is applied. The current study …
Published in Journal of Offshore Structure and Technology · Vol. 4, Issue 2, 2017 · pp. 1–27 Read article
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Improvement in Performance of Single Stage Open Well Centrifugal Pump
Abstract: Centrifugal pump which is utilized mainly for irrigation purpose and has a wide range of application in industry. It has an 85 % operating cost and so our aim is to reduce operating expense of pump. So in the present work the aim of the research is to do energy management in centrifugal pump. Objective of this research is Overall efficiency of the pump should be improved, which can be …
Published in Recent Trends in Fluid Mechanics · Vol. 2, Issue 2, 2015 · pp. 14–17 Read article
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Application of Refrigerator and Heat Pump Operated by Solar Photovoltaic Modules for Room Air Conditioning in Kolkata City
Abstract: India is a hot climatic country there is an urgent need for refrigeration mainly in May (the hottest month),March, and September (moderate hot), and also a heating requirement for cold weather (January). The present work deals with the air refrigeration in Kolkata city of a room maintained at 15oC in May(hottestmonth)(with evaporator temperature (12oC), condenser temperature (38oC)), at 20oC in March (with evaporator temperature (18oC), condenser temperature (36oC)) ,at 22oC …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 9, Issue 2, 2022 · pp. 11–23 Read article
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Optimization Strategies for Finned-Tube Gas Coolers in CO2 Heat Pump Systems: A Review
Abstract: In order to reduce CO2 emissions through increased energy use flexibility, this article examines existing energy solutions. It focuses on demand-side management tools such as electric vehicles and heat pumps, as well as storage possibilities. The aim is to shift to sustainable energy sources by striking a balance between non-renewables (coal, gas) and renewables (solar, wind). This is demonstrated by the notable decrease in the usage of oil-fired boilers and …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 14, Issue 3, 2024 · pp. 11–20 Read article
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An Overview Mechatronics Systems Design of Modelica-Based Model Predictive Control Strategies for CO₂ Heat Pump Systems
Abstract: The growing adoption of renewable energy technologies poses challenges to energy supply stability, necessitating increased flexibility in energy demand. This paper introduces a Modelica-based Model Predictive Control (MPC) strategy aimed at keeping the supply water temperature within the range of 55°C to 75°C while minimizing energy consumption and electricity expenses throughout a year. A comprehensive, high-fidelity model representing a school building in Oslo, Norway, was developed using Modelica and exported …
Published in Journal of Mechatronics and Automation · Vol. 13, Issue 1, 2026 · pp. 15–27 Read article
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A Review on Charge Pump Circuits for PLL Applications
Abstract: This paper presents a review on various architectures of charge pumps (CP) for high speed Phase-locked loop (PLL) applications. The different nonlinear marvels that influence the execution of PLL in view of the CPs circuit are examined. The various high performance CP circuits with reference voltage source, reference current source are analyzed that reduces the problems associated with the traditional charge pump circuit that consists leakage current, clock feed-through, charge …
Published in Journal of VLSI Design Tools and Technology · Vol. 5, Issue 3, 2015 · pp. 1–11 Read article
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Experimentation and two-dimensional fluid flow simulation through external gear pump
Abstract: The investigation aims to perform the experimentation on the existing set up of the gear pump test rig and its simulation. In the first part of study, the different parameters are set and observed. Using these values calculations are performed to get the other experimental results. In the second part, two-dimensional fluid flow simulation was done flowing through the external gear pump and compares its flow rate and thus efficiency …
Published in Recent Trends in Fluid Mechanics · Vol. 7, Issue 3, 2020 · pp. 15–23 Read article
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Redesigning the Pump Assembly Layout to Enhance the Productivity
Abstract: This paper discusses the productivity improvement in pump layout. The whole paper deal with the causes for higher cycle time in the production of pump and developing the efficient and effective layout. To accomplish the goal, analyse the cycle time of all work stations by the help of stop watch, with the help of the assembly worker and stop watch the data is collected. The cycle time graph are drawn …
Published in Trends in Machine design · Vol. 5, Issue 3, 2018 · pp. 20–26 Read article
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Comparative Analysis of Forward and Backward Auxiliary Selective ASE Pumping for L-Band EDFA
Abstract: ABSTRACT An exhaustive quantitative and comparative study of eight DWDM EDFA amplifier configurations has been conducted using Selective Wavelength Auxiliary Pumping (SWAP) by Forward Amplified Spontaneous Emission (FASE) and Backward ASE (BASE) pumping schemes for L-band signal gain enhancement and noise figure (NF) improvement. 31 dB gain and 5.19 dB NF at 1570 nm can be achieved using suggested optimum pumping configuration in L-band EDFA. The proposed design model can …
Published in Trends in Opto-electro & Optical Communication · Vol. 2, Issue 3, 2012 · pp. 17–30 Read article
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Exploring the Application of 5-axis CNC Machining for the Fabrication of an Impeller for Single Suction Centrifugal Pump
Abstract: This study delves into the practical application of 5-axis machining for the fabrication of an impeller for a single suction centrifugal pump. It explores the integration of CNC machining and CAD as a crucial aspect, highlighting the synergy between design and manufacturing. The efficiency and performance of the pump are greatly influenced by the impeller, an important part of pump design. Impellers made using traditional manufacturing techniques frequently have intricate …
Published in International Journal of Manufacturing and Production Engineering · Vol. 1, Issue 2, 2023 · pp. 9–19 Read article
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Design and Working of Solar Sprayer Pump for Agriculture
Abstract: The energy crisis fuel, resources depletion and, pollution these three are the major challenges in front of today’s world. The green energy generation from the existence resources is the new thought and which become possible by using non-conventional energy sources and one the option out of solar, wind and bio mass is Solar energy which can be easily converted in electricity using a new concept. Solar sprayer is a perfect …
Published in Journal of Industrial Safety Engineering · Vol. 7, Issue 2, 2020 · pp. 1–4 Read article
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Study on Efflux Pump Inhibition Activity of Marine Actinomycetes against Oflaxcin Resistsnt M. tuberculosis
Abstract: Studies were conducted to isolate marine actinomycetes active against oflaxcin resistant M. tuberculosis. Out of 25 actinomycetes isolates designated as ECRMP 4 showed potent antimycobacterial activity against all three tested Mycobacterial strains. Representative bioactive isolate was characterized using phenotypic property and identified as Micropolyspora sp. The zone of inhibition was 20 ± 0.1 mm (62% RIZD) against M. tuberculosis and 18 ± 0.6 mm (100% RIZD) against OFLR M. tuberculosis. …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 4, Issue 2, 2014 · pp. 25–30 Read article
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Designing of Low Power Charge Pump Circuit with Minimum Current Mismatch for High Speed PLL Applications
Abstract: Charge pump (CP) is one of the necessary block of phase locked circuit (PLL). This paper presents the new design of CP circuit, i.e., cascode current source biased transmission gate based CP circuit. Cascode current mirror, transmission gate switches and unity gain follower amplifier are combined to design the CP circuit in 65 nm technology. The reference current is used to bias the switches of CP circuit so that current …
Published in Journal of Electronic Design Technology · Vol. 6, Issue 3, 2015 · pp. 1–8 Read article
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Investigation of Solar Cooling Systems based on Small-Scale Sorption Heat Pumps
Abstract: This paper presents the development and investigation of solar cooling systems based on small-scale sorption heat pumps and chillers, respectively. Ammonia or water absorption chiller with a cooling capacity of 12 kW, a 17.5 kW water/lithium bromide absorber, the chilled WFC18 and two water or silica-gel adsorption chillers with cooling capacities of 7.5 and 15 kW, all single effect, are specified as core components of solar cooling systems. Up to …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 1, Issue 1, 2014 · pp. 18–21 Read article
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In vivo Modulatory Effect of Clerodendrum Splendens (Glory Blossom) in Aluminum Induced Alzheimer Diseases and Lonchocarpus Sericeus in Rotenone Induced Parkinson’s Disease on Na+/K+ Atpase (Sodium Pump) in the Cerebral Tissues of Male Albino Wister Rats
Abstract: Elegant research has shown that plants are useful for both curative and preventive purpose on the humans populous. Prevalent among diseases associated with humans are neurological diseases which affect a large sector of the population especially the elderly. The most common neurological diseases are Parkinson and Alzheimer disease which affect a large sector of the brain and also cause an imbalance in brain electrolyte. Among such electrolytic mechanisms of the …
Published in International Journal of Biochemistry and Biomolecule Research · Vol. 1, Issue 2, 2023 · pp. 31–36 Read article
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Design and Implementation of an Automatic Fire Extinguishing System Using Arduino UNO
Abstract: Fire safety is an essential concern in both residential and industrial spaces. Conventional firefighting techniques frequently call for human assistance, which is not always adequate or timely. This study discusses the design and development of an automatic fire suppression system that uses an Arduino UNO microcontroller, a 5 V single-line relay, an infrared (IR) sensor, a buzzer, and a 5 V DC pump. The system identifies a fire by detecting …
Published in Journal of Microelectronics and Solid State Devices · Vol. 12, Issue 1, 2025 · pp. 6–12 Read article
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Liquefied Oxygen Fracturing: A Simulative Approach
Abstract: The entire project is a work on the simulation of fracture design on a new potential fracturing fluid liquefied oxygen. The purpose of this study was to conduct a comparative study between hydraulic fracturing and cryogenic fracturing (liquefied oxygen) for the same reservoir having same properties to generate potential information on intrusion of fracturing fluid, pumping criteria, final stage pump pressure, required pumping time for both the fluids water as …
Published in Journal of Petroleum Engineering & Technology · Vol. 11, Issue 1, 2021 · pp. 43–51 Read article