Search Results - "Patel, V.K"

Himalayan Natural Fiber-Reinforced Epoxy Composites: Effect of Grewia optiva/Bauhinia Vahlii Fibers on Physico-mechanical and Dry Sliding Wear Behavior by Kumar, Sandeep, Patel, V.K., Mer, K.K.S., Gangil, Brijesh, Singh, Tej, Fekete, Gusztáv

“…The physical, mechanical, and sliding wear properties of Grewia optiva and hybrid G. optiva/Bauhinia vahlii fiber-reinforced epoxy composites were…”
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Effect of zinc interlayer on ultrasonic spot welded aluminum-to-copper joints by Balasundaram, R., Patel, V.K., Bhole, S.D., Chen, D.L.

“…Dissimilar aluminum (Al) and copper (Cu) metals were joined together using ultrasonic spot welding (USW), a solid state welding technology. The welds were made…”
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Thermodynamic optimization of cross flow plate-fin heat exchanger using a particle swarm optimization algorithm by Rao, R.V., Patel, V.K.

“…This study explores the use of particle swarm optimization (PSO) algorithm for thermodynamic optimization of a cross flow plate-fin heat exchanger…”
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Influence of ultrasonic spot welding on microstructure in a magnesium alloy by Patel, V.K., Bhole, S.D., Chen, D.L.

“…Ultrasonic spot welding was carried out on 2-mm-thick sheets of magnesium alloy. A relationship between the dynamic recrystallized grain size and the…”
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Characterization of ultrasonic spot welded joints of Mg-to-galvanized and ungalvanized steel with a tin interlayer by Patel, V.K., Bhole, S.D., Chen, D.L.

“…•USWed Mg-to-bare steel, galvanized steel and bare steel with Sn were studied.•USWed Mg-to-bare steel with Sn interlayer significantly improved the…”
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Ultrasonic spot welding of Al/Mg/Al tri-layered clad sheets by Macwan, A., Patel, V.K., Jiang, X.Q., Li, C., Bhole, S.D., Chen, D.L.

“…•The optimal welding condition is achieved at 100J and 0.1s.•Failure load first increases and then decreases with increasing welding energy.•The highest…”
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Fatigue life estimation of ultrasonic spot welded Mg alloy joints by Patel, V.K., Bhole, S.D., Chen, D.L.

“…•Fatigue life test of USWed similar Mg alloy was investigated.•USW joints exhibited a superior fatigue life compared with other welding processes.•Life…”
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Computational Investigation of Erosion Wear on Industrial Centrifugal Pump Handling Solid-Water Flows by Kumar, J., Tiwari, G., Rawat, A., Patel, V.K.

“…The Centrifugal pumps handling solid-water mixture are heavily afflicted by erosion occurring due to the transportation of solid particles. Eventually, the…”
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Solid-state ultrasonic spot welding of SiCp/2009Al composite sheets by Patel, V.K., Bhole, S.D., Chen, D.L., Ni, D.R., Xiao, B.L., Ma, Z.Y.

“…•Characterization of USWed similar SiC/2009Al alloy was investigated.•USW joints satisfied the requirement of AWS standard D17.2 for spot welding.•The WZ of…”
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Formation of zinc interlayer texture during dissimilar ultrasonic spot welding of magnesium and high strength low alloy steel by Patel, V.K., Bhole, S.D., Chen, D.L.

“…► USW of Mg alloy to HSLA steel sheet with Zn interlayer was successfully achieved. ► USW creates strong single crystal-like basal plane texture in Zn…”
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Dissimilar ultrasonic spot welding of Mg-Al and Mg-high strength low alloy steel by V.K. Patel, D.L. Chen, S.D. Bhole

“…Sound dissimilar lap joints were achieved via ultrasonic spot welding (USW), which is a solid-state joining technique. The addition of Sn interlayer during USW…”
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Significant increase in water vapour over India and Indian Ocean: Implications for tropospheric warming and regional climate forcing by Patel, V.K., Kuttippurath, J.

“…The increase in greenhouse gases (GHGs) due to anthropogenic activities enhances regional and global temperatures. The most abundant GHG, i.e., water vapour,…”
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Changes in global NO2 pollution by shipping during the COVID-19 lockdown: Implication for sustainable marine operations by Athul, S., Kuttippurath, J., Patel, V.K.

“…Severe restrictions on human travel and consumption during the lockdown (LD) have affected global marine traffic and operations. The LD period is ideal for…”
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Rise in water vapour driven by moisture transport facilitates water availability for the greening of global deserts by Patel, V.K., Kuttippurath, J., Kashyap, R.

“…There are substantial changes in the global drylands owing to climate change and anthropogenic activities. However, this aspect is not adequately explored in…”
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Anomalous increase in global atmospheric ammonia during COVID-19 lockdown: Need policies to curb agricultural emissions by Kuttippurath, J., Patel, V.K., Kashyap, R., Singh, A., Clerbaux, C.

“…The restrictions imposed on human activities during the COVID-19 lockdown (LD) period provided a new scenario to identify potential sources of atmospheric…”
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Spatial heterogeneity in global atmospheric CO during the COVID–19 lockdown: Implications for global and regional air quality policies by Pathak, M., Patel, V.K., Kuttippurath, J.

“…The COVID–19 lockdown (LD) provided a unique opportunity to examine the changes in regional and global air quality. Changes in the atmospheric carbon monoxide…”
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Global, regional and city scale changes in atmospheric NO₂ with environmental laws and policies by Amritha, Sai, Varikoden, Hamza, Patel, V.K., Kuttippurath, J., Gopikrishnan, G.S.

“…•Significant positive trends are found in NO₂ globally, except in the USA and Europe.•Most cities in the USA and Europe show a decline in NO₂, at about -0.1 ×…”
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Improved air quality leads to enhanced vegetation growth during the COVID–19 lockdown in India by Kashyap, Rahul, Kuttippurath, J., Patel, V.K.

“…The direct effect of pandemic induced lockdown (LD) on environment is widely explored, but its secondary impacts remain largely unexplored. Therefore, we…”
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Adoption of cleaner technologies and reduction in fire events in the hotspots lead to global decline in carbon monoxide by Joshi, A., Pathak, M., Kuttippurath, J., Patel, V.K.

“…Carbon Monoxide (CO) is not a greenhouse gas (GHG), but has the capacity to change atmospheric chemistry of other GHGs such as methane and ozone, and therefore…”
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A gradual increase of aerosol pollution in the Third Pole during the past four decades: Implication for regional climate change by Sharma, B.R., Kuttippurath, J., Patel, V.K.

“…We analyse the long-term (1980–2020) changes in aerosols over the Third Pole (TP) and assess the changes in radiative forcing (RF) using satellite,…”
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