... utilization ratio is related to the ratio of mirror installation span and receiver height, and the concentrating ratio is linear to the number of mirrors. Through multiple groups of photothermal experimental analysis, it can be concluded that under the same heat collection temperature, the greater...

... studies. Email: sunirmit.verma@chitkara.edu.in Email: ranjandas81@gmail.com Contributed by the Solar Energy Division of ASME for publication in the J ournal of S olar E nergy E ngineering . 08 04 2023 01 11 2023 05 11 2023 20 11 2023 geothermal heating...

... in the months of September and October, 2022 at the composite climate of Jalandhar (latitude 31.25 deg N, longitude 75.44 deg E), India. A hybrid heat transfer fluid is prepared using Azadirachta Indica leaves’ extract and blended with gold plasmonic nanoparticles (Au nanoparticles of mean sizes ∼ 40 nm, mass...

...). The experimental measurements are carried out over four days. Similarly, a CFD model developed to study the fluid flow and the heat transfer inside the SAH using the commercial software “ANSYS Fluent 2021 R1”. The discrete ordinate (DO) radiation model and the k-ω Shear Stress Transport (SST) turbulence model...

...Mohd Asjad Siddiqui This study offers a comprehensive assessment of the thermodynamic performance of a novel solar-based multigeneration system, which caters to the energy needs of a sustainable community by producing electricity, cooling, heating, and freshwater. The solar-based multigeneration...

... been found to provide 7.3–25.8% better thermal efficiency than the conventional air heater because of the substantial increase in the effective heat transfer surface area due to the fins. The effects of variation of design, ambient, and operating parameters on the performance of the finned solar air...

... design is tested for both headwind and tailwind flow arrangements. The tailwind performance is better for smaller-size Joukowski ribs. However, the medium- and large-size Joukowski ribs perform better in headwind configurations. At low Re, heat transfer is more dominant than friction leading to higher...

...Abdulmajeed Alghamdi; S. A. Sherif This paper presents an investigation of the performance indices employed in combined or multigeneration thermal systems. Specifically, the following thermal systems will be considered: (1) combined cooling and power (CCP) systems; (2) combined heating and power...

... and compared with experimental results. Three different ETSC configurations made of copper viz., Model 1 (M1) having one inlet and two outlets, Model 2 (M2) having one inlet and three outlets, and Model 3 (M3) having one inlet and four outlets are considered. An overall rise in temperature of heat transfer...

...Julia Haltiwanger Nicodemus; Joshua Smith; Alexander Holme; Sarah Johnson; Kyle Petitt The effect of the pitch of a copper coil heat exchanger immersed in a hot water storage tank on heat transfer from the storage tank to the heat exchanger working fluid is investigated. The storage tank...

... is kept constant. The channel design that gives the best performance was further investigated by incorporating a sinusoidal wavy absorber having variable wavy roughness parameters. The flow and heat transfer characteristics have been evaluated in terms of friction factor (f) and Nusselt number per unit...

...Eydhah Almatrafi; Abdul Khaliq A solar powered trigeneration system consisting of tower solar collector, Kalina cycle with the heat exchanger, and ejector-absorption refrigeration cycle is proposed to produce refrigeration below freezing, electricity, and process heat, simultaneously. Simulation...

...M. Keith Sharp This study tests the feasibility of a more climate-friendly approach to space conditioning. This new strategy (called Ambient House) employs thermal mass in conjunction with ambient sources of heat and cold to maintain indoor temperature within a comfortable range with no auxiliary...

...Moulay Ahmed Janan; Mohamed Taqi; Hamid Chakir In this work, we demonstrate the improvement of thermal performances of a heat pipe parabolic trough solar collector by optimizing the annulus space, between the evaporator and the glass envelope, and using an appropriate filling gas. We compared...

...Amin Shahsavar; Seyed Amin Bagherzadeh; Masoud Afrand In this study, an attempt is made to assess the feasibility of several machine learning techniques for forecasting the energetic performance of a hybrid renewable energy unit consisting of an earth-air heat exchanger (EAX) and a building...

... = total time for drying each sample (h) m 0 = initial mass of sample (kg) m a = mass of air (kg) m r = mass of removed water (kg) A c = sectional area of the container in which the sample is placed C p = specific heat of air (kJ/(kg °C)) D 0 = pre...

... been primarily solved in the steady state. While the second has been solved by considering transient variations in the environmental or operating conditions, but with a heat conduction model in steady state. To the best of our knowledge, there are no analytical transient two-dimensional (2D) (r, φ...

...Gaurav Saxena; M.K. Gaur The present experimentation work discloses drying of hygroscopic crops under the new concept of solar-assisted greenhouse type dryer integrated with evacuated tube water heating system to control and maintain the temperature of the greenhouse environment according...

...Dhananjay Kumar; Laljee Prasad The use of artificial roughness is an efficient and commercial way to appreciate the thermal performance from the collector to the air in solar air heater ducts, for numerous applications such as space-heating, crop-drying, and seasoning of timber industrial purpose...

... efficiency energy environment heating measurement renewable simulation sustainability Renewable energy is a topic of interest due to global energy consumption growing at an alarming rate. Within the last 20 years, building energy consumption in developed countries has grown overall usage...