Solar Energy

Dynamic Model of a Solar Thermal Transport Tube Reactor for Control Purposes

Nov 11, 2009

Elizabeth Saade

A solar thermal reactor receives concentrated solar irradiation and uses this energy to thermally convert biomass into synthesis gas (H2, CO and CO2). The operation of this reactor is affected by the presence of clouds, which act as a disturbance for this process. When clouds are partially covering...

Physical and Nutrient Stresses for Stimulating Algal Biofuel Production: Quantitative Control of Fermentation

Nov 11, 2009

Damian Carrieri

Microalgae and cyanobacteria are phototrophs that have important advantages over land-based crops as potential feedstocks for energy production. They do not compete with food-crops for arable land, can often be cultured in saline or brackish waters, and produce non-recalcitrant biopolymers. One...

Establishment of a Bioenergy-Focused Microalgal Strain Collection Using Rapid, High-Throughput Methodologies

Nov 11, 2009

Al Darzins

As concerns over U.S. energy security and global warming increase, the need to develop alternative and renewable sources of energy is more important than ever before. One promising renewable energy scenario involves the use of microalgae as feedstocks that convert solar radiation and CO2 into...

Enrichment of Low Carbon Dioxide Through Membrane-Based Gas Absorption Technology for Microalgae Cultivation

Nov 11, 2009

Muhammad Syukri Abd Rahaman

Traditionally, microalgae are cultivated in closed systems or open ponds, which are aerated or exposed to air to allow microalgae to capture CO2 from the atmosphere for cell growth. As the atmosphere contains only 0.03-0.06% CO2, it is expected that mass transfer limitation could slow down the cell...

Solar Thermal H2O Splitting Via Cobalt Ferrite Based Thermochemical Cycles

Nov 11, 2009

Jonathan Scheffe

Spinel ferrites of the form MxFe3-xO4, where M generally represents Ni, Zn, Co, Mn, Fe or other transition metals, have been shown to be capable of splitting water to produce H2 using solar energy according to the two step cycle shown below: MxFe3-xO4 xMO + (3-x)FeO + 0.5 O2 (1) xMO + (3-x)FeO +...

Extremophilic Microalgae: Advanced Lipid Production for Biofuels

Nov 11, 2009

Brent Peyton

Direct Monitoring of Oil Production in Individual Microalgae in Situ by Raman Spectroscopy

Nov 11, 2009

Huawen Wu

Microalgae, producing oils that can be converted into biodiesel, are one of the promising candidates for the next generation of viable fuel to help solve the global energy crisis. However, the recent booming of research on microalgae, so far appears not benefiting from the booming of modern high-...

Electrical Characterization of Organic-Inorganic Hybrid Active Layer for Bulk Heterojunction Solar Cell

Nov 10, 2009

Chinho Park

An organic-inorganic hybrid composite of cadmium selenide (CdSe) quantum dots with conjugated polymer poly (3-hexylthiophene-2,5-diyl) (P3HT) was employed as an active layer for the bulk hetero- junction solar cell. CdSe quantum dots were synthesized by conventional hot injection method with...

Challenges for Global Energy

AIChE Webinar

Apr 21, 2009

Dr. Nathan Lewis

This presentation describes and evaluates the technical, political, and economic challenges involved with widespread adoption of renewable energy technologies.

Engineering Thermodynamics of Thermal Radiation: for Solar Power Utilization

AccessEngineering

Polysilicon Business Shines Brightly

August

2008

News Feature

Gerald Parkinson

To meet growing demand for solar energy, new polysilicon plants are being built at an unprecedented rate, and several new technologies will play a role in the capacity expansion.

Promising Advances in Photovoltaics

April

2005

Critical Issues

Renewable Power: Not Yet Ready for Prime Time

April

2009

Special Section

Bernard S. Lee, David E. Gushee

Before renewable sources such as wind and solar can contribute significantly to the overall energy mix, massive electricity storage is needed to turn the raw power into dispatchable power.

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