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

...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...

... 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...

... than with solar power, given the much larger number of storage cycles required [ 13 ]. Malta Council for Science and Technology 10.13039/501100001867 REP-2021-008 offshore energy storage accumulator phase change condensation evaporation two-phase flow and heat transfer...

...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...

... cooling tower cells. Air flow due to natural convection is ignored, so when fan speed is zero, no cooling or evaporation occurs. Furthermore, there are no evaporative losses considered with the Merkel model. The supply-side coefficients from Eq. (2) are obtainable from either the manufacturer...

... 0.09 80 0.72 Fig. 1 Direct-contact evaporator circulation system Direct-contact evaporator circulation system Fig. 2 Temperature distribution at different times Temperature distribution at different times Fig. 3 Temperature distribution for different flowrate ratios...

...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...

... in the evaporator. He et al. [ 15 ] performed an experimental study of a CLTPT with a mixed wettability heating surface. They varied wettability patterns over the copper surface by creating hydrophobic spots and performed the experiments for different spot diameter and wettability conditions. They conducted...

... further study. In this paper, a thermodynamic calculation model of a composite insulation system including hollow glass microspheres (HGMs), multilayer insulation (MLI), and self-evaporating vapor cold shield (VCS) has been established. The accuracy of the calculation model was verified...

...Ramin E. Yazdi; Temesgen Garoma This study investigated the feasibility of harvesting algae biomass using an original and novel method that uses low-grade waste heat with an integrated heat exchanger, evaporation tank, and reservoir system. Several experiments were conducted. The experimental...

...Bingyao Lin; Nanxi Li; Shiyue Wang; Leren Tao; Guangming Xu; Yinong Wu In this paper, a thin film evaporation model that includes expressions for energy, mass, and momentum conservation was established through the augmented Young–Laplace model. Based on this model, the effects of pore size...

...V. Venkateswara Rao; Santanu Prasad Datta A comprehensive exergy, exergo-economic, and sustainability assessment of seven conventional to hybrid air-conditioning systems comprising direct and indirect evaporative coolers with direct expansion system and their several combinations integrated...

... desalination multi-effect mathematical modeling GOR condensation energy systems evaporation heat and mass transfer low-temperature heat transfer thermal systems Water is the main requisite for any prosperous life and development [ 1 ]. The main part of freshwater is stored in the Arctic...

... membrane distillation evaporation heat and mass transfer porous media Several studies have been conducted to develop and enhance the productivity of potable water using various technologies. Among the most important of these technologies are conventional desalination systems, the most famous...

... of the heated bed and the impinging water was recorded during spraying. The difference in weight change when spraying on heated and unheated beds gave the rate of evaporation. Thermocouples were used to record the internal temperature of the bed. The steam generation rate increased with particle size...

...: sfzh@sdu.edu.cn Email: 360034820@163.com Email: yweisdu@163.com 02 08 2020 09 03 2021 11 03 2021 14 05 2021 wet cooling tower air channel heat transfer ventilation thermal-state model experiment crosswind velocity evaporation heat and mass transfer heat...

... modeling of the display case using a temperature model comprising of three states includes air inside the display case, products, and the evaporator. Additionally, the model presents a holistic view of the whole system with each subsystem cohesively linked together. Further focus has been given on the high...

... and integrated on the inner wall of the evaporation section of the heat pipe. The heat pipe is fabricated from an inner grooved copper pipe with dimensions of 12.7 mm outer diameter, 11 mm inner diameter, and 440 mm length. Ultra-filtered de-ionized (DI) water is used as a working fluid. Four different FRs of DI...