Search Results - subject:"Solar receiver"

Thermal 3D model for Direct Solar Steam Generation under superheated conditions

Serrano-Aguilera, J.J.; Valenzuela, L.; Parras, L. - In: Applied Energy 132 (2014) C, pp. 370-382

Parabolic-trough collectors (PTC) solar systems are one of the most promising of a wide range of the available solar technologies. Continuous breakthroughs are being achieved. Mainly due to the considerable amount of solar PTC plants that are being under operation in different countries. Within...

Persistent link: https://www.econbiz.de/10011040669

Heat flux and temperature prediction on a volumetric receiver installed in a solar furnace

Roldán, M.I.; Monterreal, R. - In: Applied Energy 120 (2014) C, pp. 65-74

volumetric solar receiver exposed to concentrated solar radiation. From initial heat-flux measurements at different focal planes … volumetric solar receiver. Furthermore, the temperature reached on the sample surface, which receives the concentrated solar …

Persistent link: https://www.econbiz.de/10011040922

Nonuniform heat transfer model and performance of parabolic trough solar receiver

Lu, Jianfeng; Ding, Jing; Yang, Jianping; Yang, Xiaoxi - In: Energy 59 (2013) C, pp. 666-675

The nonuniform heat transfer model and performance of parabolic trough solar receiver are theoretically investigated … then a nonuniform heat transfer model of solar receiver is established. According to the calculation results, the heat loss … of solar receiver from the nonuniform model is a little higher than that from the uniform model, and the heat transfer …

Persistent link: https://www.econbiz.de/10010811340

Outdoor measurement of high concentration photovoltaic receivers operating with partial shading on the primary optics

Rodrigo, P.; Fernández, Eduardo F.; Almonacid, F.; … - In: Energy 61 (2013) C, pp. 583-588

. Each solar receiver is composed of a multi-junction solar cell, a bypass diode, a heat sink and a secondary optical element …

Persistent link: https://www.econbiz.de/10011054373

Numerical investigation of flow and heat transfer in a volumetric solar receiver

Fend, Th.; Schwarzbözl, P.; Smirnova, O.; Schöllgen, D.; … - In: Renewable Energy 60 (2013) C, pp. 655-661

Volumetric solar receivers are used in solar power plants to convert concentrated solar radiation into high temperature heat to operate a thermal engine. In general, porous high temperature materials are used for this purpose. Since the pore geometry is important for the efficiency performance...

Persistent link: https://www.econbiz.de/10011044541

An experimental investigation of the heat losses of a U-type solar heat pipe receiver of a parabolic trough collector-based natural circulation steam generation system

Zhang, Liang; Yu, Zitao; Fan, Liwu; Wang, Wujun; Chen, Huan - In: Renewable Energy 57 (2013) C, pp. 262-268

losses of the solar receiver. This paper presents an experimental study of the heat losses of a double glazing vacuum U …-type solar receiver mounted in a PTC natural circulation system for generating medium-temperature steam. Field experiments were …

Persistent link: https://www.econbiz.de/10011046282

Numerical simulations of the solar transmission process for a pressurized volumetric receiver

Cui, F.Q.; He, Y.L.; Cheng, Z.D.; Li, D.; Tao, Y.B. - In: Energy 46 (2012) 1, pp. 618-628

A three-dimensional optical model for a pressurized volumetric receiver (PVR) is developed and corresponding solar radiation propagation process within the PVR is simulated by the Monte Carlo Ray Tracing (MCRT) method. In the computation, the complicated photon transmission process in the SiC...

Persistent link: https://www.econbiz.de/10011054298

Operational performance of the development of a 15kW parabolic trough mid-temperature solar receiver/reactor for hydrogen production

Hong, Hui; Liu, Qibin; Jin, Hongguang - In: Applied Energy 90 (2012) 1, pp. 137-141

In this paper, we report the operational performance and energy conversion efficiency of a developed 15kW solar chemical receiver/reactor for hydrogen production. A concentrated solar heat of around 200–300°C was utilized to provide process heat to drive methanol steam reforming. A modified...

Persistent link: https://www.econbiz.de/10011040796

Numerical simulation study on the heat transfer characteristics of the tube receiver of the solar thermal power tower

Yang, Xiaoping; Yang, Xiaoxi; Ding, Jing; Shao, Youyuan; … - In: Applied Energy 90 (2012) 1, pp. 142-147

In a solar thermal power tower system, a molten salt tube receiver is a significant component. However, the tube flow performance is different with other tubes, half the circumference of the tube is heated with a different heat flux and half that circumference is insulated. As the properties of...

Persistent link: https://www.econbiz.de/10010576266

Heat transfer analysis of parabolic trough solar receiver

Padilla, Ricardo Vasquez; Demirkaya, Gokmen; Goswami, … - In: Applied Energy 88 (2011) 12, pp. 5097-5110

Solar Parabolic Trough Collectors (PTCs) are currently used for the production of electricity and applications with relatively higher temperatures. A heat transfer fluid circulates through a metal tube (receiver) with an external selective surface that absorbs solar radiation reflected from the...

Persistent link: https://www.econbiz.de/10010572046