Environmental Engineering

Hydroelectric energy: renewable energy and the environment by Bikash Pandey

By Bikash Pandey

Providing crucial conception and necessary sensible suggestions for imposing hydroelectric initiatives, this e-book outlines the assets, energy iteration applied sciences, functions, and strengths and weaknesses for hydroelectric applied sciences. Emphasizing the hyperlinks among strength and the surroundings, it serves as an invaluable history source and allows decision-making relating to which renewable power know-how works most sensible for various different types of purposes and areas. together with examples, real-world case reports, and classes discovered, each one bankruptcy comprises workout questions, references, and plentiful pictures and technical drawings from genuine micro hydropower plants.

Show description

Read Online or Download Hydroelectric energy: renewable energy and the environment PDF

Best environmental engineering books

Agricultural Science & Technology in China: A Roadmap to 2050

As one of many eighteen field-specific studies comprising the great scope of the strategic normal file of the chinese language Academy of Sciences, this sub-report addresses long-range making plans for constructing technology and expertise within the box of agriculture. They every one craft a roadmap for his or her sphere of improvement to 2050.

Reaktorsicherheit für Leistungskernkraftwerke: Die Entwicklung im politischen und technischen Umfeld der Bundesrepublik Deutschland

Das Werk beschreibt die Entwicklung der Reaktorsicherheit deutscher Leichtwasser-Kernkraftwerke aus den Anfängen heraus mit ihren vielfältigen Bezügen zu ausländischen Vorbildern, zu nationalen und internationalen Forschungsvorhaben sowie zu konventionellen und nuklearen Schadensereignissen. Detaillierte und reich bebilderte Darstellungen befassen sich mit den spezifischen Sicherheitstechniken, wie der Berstsicherheit der druckführenden Umschließung, der Sicherstellung der Notkühlung im Kühlmittelverlust-Störfall, der Leittechnik und dem Umgebungsschutz durch das Containment.

Energy and fuel systems integration

Power and gasoline structures Integration explains how starting to be power and gas calls for, paired with the necessity for environmental renovation, require diverse assets of strength and gasoline to cooperate and combine with one another instead of easily compete. supplying quite a few examples of power and gas structures integration good fortune tales, this booklet: Discusses using various combinations of fuels for combustion, gasification, liquefaction, pyrolysis, and anaerobic digestion approaches Describes using hybrid nuclear and renewable power structures for energy and warmth cogenerations with nonelectrical purposes information the holistic integration of renewable, nuclear, and fossil power structures by means of fuel, warmth, and shrewdpermanent electric grids power and gasoline platforms Integration emphasizes the numerous benefits of those built-in platforms, together with sustainability, flexibility for optimization and scale-up, and extra effective use of garage, transportation, and supply infrastructures.

Green polymer composites technology: properties and applications

This booklet is a accomplished creation to "green" or environmentally pleasant polymer composites built utilizing renewable polymers of usual starting place corresponding to starch, lignin, cellulose acetate, poly-lactic acid (PLA), polyhydroxylalkanoates (PHA), polyhydroxylbutyrate (PHB), and so on. , and the improvement of recent applied sciences for getting ready eco-friendly composites with a number of purposes.

Additional resources for Hydroelectric energy: renewable energy and the environment

Example text

For micro hydro­ electric power plants with turbines manufactured at local workshops, the efficiency may be as low as 60%. egenerator is the efficiency of the generator. For medium and large hydropower plants, the generator efficiency can be over 95% whereas for micro hydroelectric power plants the efficiency could be lower, for example, 70%–90%. etransformer is the efficiency of the transformer. Based on size of the transformer, the efficiency can vary between 95% and 98%. Thus, at the transformer end, the overall efficiency takes into account individual efficiencies of the penstock pipe, turbine, generator, and transformer.

In case the gravel trap and the set­ tling basin are located at some distance from each other, the headrace slope from the intake to the gravel trap should be steeper than that between the gravel trap and the settling basin. Gravel trap and settling basins in micro or mini hydroelectric power plants are often built using stone masonry in cement mortar. However, as the required size of these structures increases, rein­ forced concrete becomes the preferred choice.  Spillways can be gated, generally for larger power plants, or ungated.

In the absence of flow records, a minimum of one flow measurement per month for at least one year should be performed close to the proposed intake area so that the installed capacity can be finalized and the energy generation can be reliably estimated. Various flow measurement methods pertinent to micro hydropower projects are described herein. 2 fLow MeasureMenTs usinG a conducTiviTy MeTer A conductivity meter measures the amount of electrical current or conductance in a solution. 7). After the probe is placed in the liquid to be measured, the meter applies voltage between two electrodes inside the probe.

Download PDF sample

Rated 4.05 of 5 – based on 35 votes