...Bebhash Raj; Abhilash Chandy The focus of the current study is on a polymer devolatilization process in a device called a contactor, that involves the use of superheated steam to eliminate volatile cyclohexane, through evaporation, from the polymer mixture, also known as cement. The primary...

...Philippe Aubin; Jan Van herle; John R. Thome Operating the cooling system of a methanation reactor using an open-loop two-phase thermosiphon with evaporating water as cooling liquid is an effective way to ensure safe operation as it does not rely on a recirculating pump. The aim of the reactor...

...Danny J. Lohan; Bhaskarjyoti Sarma; Shailesh N. Joshi; Ercan M. Dede; Anali Soto; Srivathsan Sudhakar; Justin A. Weibel The heat transfer and hydraulic performance of a flat evaporator, pump-assisted capillary loop cooler is evaluated for a 1 c m 2 heat source. The cooler consists of a copper...

... their thermal performance. While wicking structures promote capillary pumping of the working fluid and thin film evaporation, they can result in capillary evaporation and further enhance the evaporation heat transfer. In this study, a 0.5 mm thick layer of 105 µm sintered copper particles was added to the inner...

...Mirza M. Shah Evaporators and boilers with flow across horizontal tube bundles are widely used in industries including refrigeration and chemical processing. As yet there is a lack of a well-verified correlation for predicting local or average CHF (critical heat flux) in such bundles. The available...

...@missouri.edu 1 Corresponding author. Email: mah@missouri.edu 08 06 2023 19 11 2023 20 11 2023 19 02 2024 condensation evaporation phase change oscillating heat pipes machine learning Office of Naval Research 10.13039/100000006 N00014-19-1-2006...

... led the circulating water temperature difference decreases the most, which was 7.63 °C (74.15%). The increase of relative humidity and atmospheric pressure led to an increase in convective heat transfer and the decrease in evaporative mass transfer, while both the convective heat transfer...

... of evaporation of water at triple point (0.01 °C) (kJ kg −1 ) t δ = tube thickness (m) t p = tube pitch (m) y w = water film thickness (m) A h = air-side total heat transfer surface area corresponding to a unit cell (m 2 ) A min = minimum cross-sectional...

...Yang Liu; Zhe Yan; Zhenhua Jiang; Nanxi Li; Baoyu Yang; Yinong Wu This study experimentally investigates the small two-phase thermosyphon loop with a minichannel evaporator. The influences of heating power, fan power, and inclination angle on the heat transfer performance are presented...

...Atalay Yildirim; Özden Ağra; Mustafa Kemal Sevindir We experimentally investigated the evaporation characteristics of a sessile water droplet on a glass substrate with different surface roughness levels. The influence of five parameters is evaluated for the evaporation process: substrate...

..., with the length of 500 mm and Φ22 × 1.5 mm. The results indicate that in the process of phase change, the typical flow regimes of bubble flow, slug flow, and churn flow can be observed in the evaporator, and the presence of bubbles has an obvious disturbance on the flow field. In addition, the discontinuous...

...T. Usharani; M. Suresh This research study aims to work out the best possible performance parameters for a two-stage direct–indirect evaporative cooler (IDEC) when it is operated in Indian climatic conditions. A numerical simulation model has been developed to estimate temperature, relative...

... emission, which puts tremendous pressure on the environment. Direct evaporative cooling technology is a good choice for reducing energy consumption and carbon emissions. However, most of the current direct evaporative coolers offer excellent cooling performance at any temperature, whether the space needs...

...Md Naim Hossain; Koushik Ghosh The objective of the present work is to find out the optimal mass flux of two common refrigerants, R32 and R410A, undergoing boiling in an evaporator tube based on the entropy generation minimization approach. An entropy generation model is developed for two-phase...

... 06 12 2022 offshore energy storage accumulator phase change condensation evaporation two-phase flow and heat transfer Malta Council for Science and Technology 10.13039/501100001867 REP-2021-008 Over the past decade, the wind and solar energy sectors received...

...Zhongyan Liu; Hao Zhang; Dahan Sun; Xu Jin; Shuang Zheng; Xin Zhang CO 2 is a promising refrigerant substitute, and falling film evaporator is widely used in high-capacity heat pump systems. In this article, a CO 2 heat pump experimental device is built. According to experimental parameters, a CO 2...

...-phase mixing [ 25 – 27 ]. Fu [ 28 ] investigated the methods for reducing the retention rate of the dispersed phase during the evaporation process. The published literature [ 9 – 28 ] has not reported on this from the perspective of heat transfer irreversibility and thermodynamics. Intensified heat...

... Evaporative Cooling-Tower Behaviour ,” Appl. Energy , 78 ( 4 ), pp. 433 – 451 . 10.1016/j.apenergy.2003.09.004 [14] Asvapoositkul , W. , and Kuansathan , M. , 2014 , “ Comparative Evaluation of Hybrid (Dry/Wet) Cooling Tower Performance ,” Appl. Therm. Eng. , 71 ( 1 ), pp. 83 – 93...

...Shun Meng; Shu Wang; Yejian Qian; Changfa Tao; Zhaoyuan Li; Yang Hua The evaporation and pro-ignition characteristics of the lubricating oil blending in the cylinder can bring a super knock for the high-efficiency gasoline engine. The evaporation characteristics of the lubricant/gasoline blending...

.... This experiment was done to predict the evaporation rate from the wavy water surface under the different convection regimes (free, forced, and mixed) at turbulent airflow conditions over a wide range of the ratio ( G r / R e 2 ) . The evaporation rate from the wavy water surface is strongly affected...