Scholars@Duke
Arpit Mishra

Selected Publications

Three-dimensional super-resolution passive cavitation mapping in laser lithotripsy.

Journal Article IEEE Trans Ultrason Ferroelectr Freq Control · August 16, 2024 Kidney stone disease is a major public health issue. By breaking stones with repeated laser irradiation, laser lithotripsy (LL) has become the main treatment for kidney stone disease. Laser-induced cavitation is closely associated with the stone damage in ... Full text Open Access Link to item Cite

Effect of over-pressure on the dynamics of interacting cavitation bubbles near curved surfaces in sub-cooled liquid nitrogen

Journal Article Physics of Fluids · August 1, 2024 In this study, we conduct direct numerical simulations to investigate the dynamics of interacting cavitation bubbles near a curved surface in liquid nitrogen, which serves as the surrounding fluid medium. Our simulations are carried out under both atmosphe ... Full text Cite

Exploring optimal settings for safe and effective thulium fibre laser lithotripsy in a kidney model.

Journal Article BJU Int · February 2024 OBJECTIVES: To explore the optimal laser settings and treatment strategies for thulium fibre laser (TFL) lithotripsy, namely, those with the highest treatment efficiency, lowest thermal injury risk, and shortest procedure time. MATERIALS AND METHODS: An in ... Full text Open Access Link to item Cite

In vitro investigation of stone ablation efficiency, char formation, spark generation, and damage mechanism produced by thulium fiber laser.

Journal Article Urolithiasis · November 2, 2023 To investigate stone ablation characteristics of thulium fiber laser (TFL), BegoStone phantoms were spot-treated in water at various fiber tip-to-stone standoff distances (SDs, 0.5 ~ 2 mm) over a broad range of pulse energy (Ep, 0.2 ~ 2 J), frequency (F, 5 ... Full text Open Access Link to item Cite

Dissimilar cavitation dynamics and damage patterns produced by parallel fiber alignment to the stone surface in holmium:yttrium aluminum garnet laser lithotripsy.

Journal Article Physics of fluids (Woodbury, N.Y. : 1994) · March 2023 Recent studies indicate that cavitation may play a vital role in laser lithotripsy. However, the underlying bubble dynamics and associated damage mechanisms are largely unknown. In this study, we use ultra-high-speed shadowgraph imaging, hydrophone measure ... Full text Open Access Cite

Flow focusing from interacting cavitation bubbles

Journal Article Physical Review Fluids · November 1, 2022 This paper is associated with a video winner of a 2021 American Physical Society's Division of Fluid Dynamics (DFD) Milton van Dyke Award for work presented at the DFD Gallery of Fluid Motion. The original video is available online at the Gallery of Fluid ... Full text Cite

Referee acknowledgment for 2021

Journal Article Physics of Fluids · February 1, 2022 Full text Cite

Video: Flow-focusing from interacting cavitation bubbles

Conference 74th Annual Meeting of the APS Division of Fluid Dynamics - Gallery of Fluid Motion · November 21, 2021 Full text Cite

Technical, economic and environmental feasibility of resource recovery technologies from wastewater.

Journal Article The Science of the total environment · November 2021 An enormous amount of wastewater is generated across the world from different industrial or municipal sectors. Traditional wastewater treatment plants (WWTP) have primarily focused on the treatment of wastewater rather than the recovery of valuable resourc ... Full text Cite

Effect of curved rigid surface on the collapsing cavitating bubble in cryogenic environment

Conference IOP Conference Series: Materials Science and Engineering · June 29, 2020 The high impact erosive pressure resulting from collapsing cavitating bubble has advantages in stone fragmentation and shock wave lithotripsy. They carry damage potential also and can erode the curved hydrofoil of any turbo-machinery, and, still somewhat o ... Full text Cite

Droplet Nucleation and Growth in Cryogenic Turboexpanders

Conference Volume 7: Fluids Engineering · November 9, 2018 Cryogenic turboexpanders for nitrogen refrigeration and liquefaction cycles operating near liquefaction conditions are vulnerable to droplet formation. The turboexpander must be devoid of any traces of droplets, as this may cause damage to the blad ... Full text Cite

Effect of leading edge sweep on the performance of cavitating inducer of LOX booster turbopump used in semicryogenic engine

Journal Article IOP Conference Series: Materials Science and Engineering · March 1, 2017 As a part of the developmental effort towards the realization of a staged combustion cycle based liquid rocket engine, a program on simulation of the LOX booster pump for performance characterization has been taken up. Earlier reported work shows that the ... Full text Cite

A computational study for characterizing cavitating flow in hydrofoils operating at cryogenic conditions

Conference Refrigeration Science and Technology · January 1, 2017 In our previous research [1], we have identified the potential regimes of flow instabilities such as tip vortex cavitation, backflow vortices at different design and off-design condition for the inducer of a LOX booster turbopump. Cavitation is the develop ... Full text Cite

Flow field investigation in a partial admission supersonic turbine of lox booster turbopump for staged combustion cycle based rocket engine

Conference ASME 2017 Gas Turbine India Conference, GTINDIA 2017 · January 1, 2017 To obtain high specific work output with small mass flow rate, high-pressure ratios across the turbines are required in liquid rocket engine turbopumps. An impulse-type supersonic turbine can achieve this. To prevent losses due to low blade aspect ratio an ... Full text Cite

Predicting performance of axial pump inducer of LOX booster turbo-pump of staged combustion cycle based rocket engine using CFD

Journal Article IOP Conference Series: Materials Science and Engineering · December 18, 2015 For low cost, high thrust, space missions with high specific impulse and high reliability, inert weight needs to be minimized and thereby increasing the delivered payload. Turbopump feed system for a liquid propellant rocket engine (LPRE) has the highest p ... Full text Cite