Leakage Source Localization Method for Aerospace Composite Structures Based on U-Array Wave Velocity-Compensated Beamforming by Lei Qi, Lixin Xu, Lichen Sun, Xiaobo Rui, Yuhao Cui, Xin He, Yu Zhang

“…The experiment simulates vacuum leakage by pumping holes with a diameter of 3 mm with a vacuum pump. The results show that the U-shaped array beamforming algorithm proposed in this paper can obtain a positioning error of 2.21 cm, which provides a new idea for the structural health detection of spacecraft.…”
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Experimental Study on Solar Cooling Tube Using Thermal/Vacuum Emptying Method by Huizhong Zhao, Haibin Liang, Wenzhe Sun, Guoqing Yu, Dan Cao, Jun Ji

“…This paper presents a novel thermal vacuum combined with vacuum pump method allowing an increased vacuum state for producing solar cooling tubes. …”
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A Microfluidic Cell Stretch Device to Investigate the Effects of Stretching Stress on Artery Smooth Muscle Cell Proliferation in Pulmonary Arterial Hypertension by Kae Sato, Manami Nitta, Aiko Ogawa

“…The lower channel inlet was connected to a vacuum pump via a digital switch-controlled solenoid valve. …”
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Development of a simplified negative pressure wound device by Zurovcik, Danielle Renee

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Design of evaporation rig for sessile drops by Abdul Hamid, Shahnawaz

“…Several other apparatus, such as a vacuum pump and syringe driver, were also loaned. A description of the role played by each apparatus is included. …”
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An experimental investigation of the solar still system by Lu, Changzhi.

“…A vacuum port locates at the back side of the still is used for vacuumize the still by a vacuum pump. A vapor trap is attached on it to prevent vapor escapes during vacuuming. …”
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STUDI EKSPERIMENTAL PENGARUH DIMENSI NOSEL TERHADAP KINERJA LIQUID JET GAS PUMP (LJGP) by , EDI KARYADI, , Prof. Dr. Ir. Indarto, DEA

“…This study aims to determine the effect of nozzle dimensons on the performance of liquid jet gas pump which functioned as a vacuum pump. Liquid jet gas pump is an energy conversion device that is able to drain the fluid air (secondary flow) by utilizing the water fluid (primary flow/motive flow) by ulitilizing the water fluid (primary flow/motive flow) based on the pressure different between the two fluids without using moving parts. …”

Operational parameters affecting pneumatic paddy seeds by Abdulkadir, Tukur Daiyabu, Mahadi @ Othman, Muhammad Razif, Wayayok, Aimrun, Mohd Kassim, Muhamad Saufi

“…The performances of the twenty nozzle designs were evaluated experimentally using an automated platform consisting of screw mechanism, vacuum manifold, solenoid valve, vacuum pump and Atmel microcontroller. The amount of vacuum suction required for single seed picking derived from the established models was found to be 18.30 to 29.15 mbar. …”

Modification of chitosan-based membranes using zeolite for pervaporation separation of isopropanol-water mixtures by Mohd Nawawi, Mohd Ghazali, Hassan, Hashim, Jalil , Abdul Rahim

“…The downstream pressure was maintained at 3-5 mmHg by using a vacuum pump. The permeation rate was determined by measuring the weight of permeate collected in a given period of time. …”
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Effect of travel speed and suction carried by a pneumatic planter on seed dosage and germination Efecto de la velocidad de avance y de la succión de una sembradora neumática en la... by Herrera G Óscar A., Arredondo H. Soledad Sofía

“…<p class="Texto" align="justify">The effect of the travel speed and suction carried by the John Deere 7300 pneumatic planterʼs vacuum pump on ICA-305 corn, FUNKʼS HW-1758 sorghum, and Soyica P-34 soybean seeds dosage, germination, and vigor was studied; ï¬ve travel speeds were assessed (2, 4, 6, 8 and 10 km/h) and two vacuum pump work pressures (-1241.4 and -1738.0 Pa), at the sprocket combination 16/28. …”
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Stingless bee honey harvesting system via bluetooth application by Nur Farah Syahira, Ahmad Kamal

“…A beekeeper use a honey harvesting system that use a vacuum pump to extract honey from the beehive. The harvesting system in the market has its own weaknesses. …”
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Evaluation of microplastic presence in yogurt production process by Sanae RBAIBI ZIPAK, Karlo MURATOGLU, Serkan Kemal BUYUKUNAL

“…Th ey were subsequently filtered by a vacuum pump. Suspicious MP in the filters were examined with a binocular microscope and classified based on their size, color, and shape. …”
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Thermal Post-Processing of 3D Printed Polypropylene Parts for Vacuum Systems by Pierce J. Mayville, Aliaksei L. Petsiuk, Joshua M. Pearce

“…The effect of infill overlap and heat treatment with a readily available heat gun on 3D printed PP parts was investigated in detail on ISO-standardized KF vacuum fitting parts and with the use of computer vision-based monitoring of vacuum pump down velocities. The results showed that infill overlap and heat treatment both had a large impact on the vacuum pressures obtainable with 3D printed parts. …”
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Pumping Speed Measurement and Analysis for the Turbo Booster Pump by R. Y. Jou, S. C. Tzeng, J. H. Liou

“…This study applies testing apparatus and a computational approach to examine a newly designed spiral-grooved turbo booster pump (TBP), which has both volume type and momentum transfer type vacuum pump functions, and is capable of operating at optimum discharge under pressures from approximately 1000 Pa to a high vacuum. …”
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Silage harvesting for small farms by using vacuum sealing in flexible polymer containers on a converted trailer by Kanat Khazimov, Yelaman Zhumagaliyev, Zhanat Khazimov, Marat Khazimov

“…The recommended technology of silage preparation in flexible containers will be possible when conventional tractor-trailers are retrofitted with standard portable equipment (internal combustion engine-based (ICE) electric generator, vacuum pump, film welder).…”
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Surface Roughness and Fiber Angular Orientation Analysis Toward Laminated Composite Crack Propagation by Hilmi Iman Firmansyah, Bayu Pranoto, Chandra Gunawan, Hangga Wicaksono, Muhammad Fakhruddin

“…The manufacture of fiber metal laminates specimens uses the Vacuum Resin Infuse (VARI) method, which uses a vacuum pump as a means to flow the resin from the reservoir to the mold. …”
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Results of application of frequency resonance therapy for treatment of cow mastitis by Lyubimov Victor E., Romanov Dmitry V., Tsoi Yuri A., Ziganshin Bulat G., Sitdikov Farit F.

“…Signal environmental factors (sounds of a vacuum pump, milking machines, feeder) cause reactions in cows not only by irritation but also by frequency. …”
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An inexpensive alternative equipment for the plant material embedding in the paraffin under the vacuum by Carlos André Espolador Leitão, Angelo Luiz Cortelazzo

“…The present work describes an equipment constructed using inexpensive material for embedding the plant material in the paraffin under the vacuum, using an oven and a vacuum pump. The equipment was tested using the samples of Rodriguezia venusta (Orchidaceae) buds embedded in paraffin, where half of the samples were submitted to the vacuum by the equipment during the embedding. …”
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Fundamental Study on System Efficiency of Vacuum-based Membrane Dehumidification System by Kida Shion, Yoon Gyuyoung, Suzuki Shougo, Cheon Seong-Young, Cho Hye-Jin, Jeong Jea-Weon

“…The results of the study quantitatively showed the system efficiency (Specific energy consumption, vacuum pump consumption per unit of dehumidification) of MDS, which is the amount of energy saved by MDS compared to the conventional system under the specified COP of the cooled heat source equipment and reheating equipment. …”
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Application of Thermal Energy Accumulators Based on Paraffin Phase Change Materials in Convective-Vacuum Impulsive Drying Units: A Brief-Focused Overview of Characteristics and The... by Mohammed Ali Sami Mahmood, Rodionov Viktorovich, Alexandr Shchegolkov

“…Finally, integration of TEAs based on modified PPCMs in the CVID system was recommended to intensify thermal energy, reduce thermal influence on the main indicators of the vacuum pump during the evacuation process, and decrease production costs.…”
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