Joshua Floyd – författare
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4 produkter
4 produkter
Häftad, Engelska, 2018
222 kr
Skickas inom 5-8 vardagar
Del 40 - Lecture Notes in Energy
Energy Storage and Civilization
A Systems Approach
Inbunden, Engelska, 2020
652 kr
Skickas inom 10-15 vardagar
Fossil fuels comprise the accumulation of prehistoric biomass that was energised by sunlight, and formed by earth system dynamics. Fossil fuels can be conceptualized as stored energy stocks that can be readily converted to power flows, on demand. A transition from a reliance on stored energy stocks, to renewable energy flows, will require a replication of energy storage by technological devices and energy conversion methods. Most analyses of energy storage focus solely on the economic-technical properties of storage within incumbent energy systems. This book broadens the scope of the study of storage by placing it within a broader, historical, biophysical framework. The role and value of storage is examined from first principles, and framed within the contemporary context of electrical grids and markets. The energy-economic cost of electrical storage may be critical to the efficacy of high penetration renewable scenarios, and understanding the costs and benefits of storage is needed for a proper assessment of storage in energy transition studies. This book provides a starting point for engineers, scientists and energy analysts for exploring the role of storage in energy transition studies, and for gaining an appreciation of the biophysical constraints of storage.
E-bok
PDF, Engelska, 2020870 kr
Läs direkt efter köp
Fossil fuels comprise the accumulation of prehistoric biomass that was energised by sunlight, and formed by earth system dynamics. Fossil fuels can be conceptualized as stored energy stocks that can be readily converted to power flows, on demand. A transition from a reliance on stored energy stocks, to renewable energy flows, will require a replication of energy storage by technological devices and energy conversion methods. Most analyses of energy storage focus solely on the economic-technical properties of storage within incumbent energy systems. This book broadens the scope of the study of storage by placing it within a broader, historical, biophysical framework. The role and value of storage is examined from first principles, and framed within the contemporary context of electrical grids and markets. The energy-economic cost of electrical storage may be critical to the efficacy of high penetration renewable scenarios, and understanding the costs and benefits of storage is needed for a proper assessment of storage in energy transition studies. This book provides a starting point for engineers, scientists and energy analysts for exploring the role of storage in energy transition studies, and for gaining an appreciation of the biophysical constraints of storage.
- Nyhet
E-bok
Engelska, 202649 kr
Läs direkt efter köp
Have you ever noticed that staring at a glowing spreadsheet or smartphone for eight hours a day leaves you not just visually tired, but deeply, systemically anxious and emotionally drained? This profound exhaustion is not just mental fatigue; it is a systemic biological reaction caused by Screen-Induced Asthenopia, a physical strain on the optic nerve that directly hacks the autonomic nervous system. The human visual system is intimately and biologically wired into the brainstem. When we fixate on a flat, two-dimensional backlit screen just inches from our face, the ciliary muscles in the eyes must maintain an intense, unnatural isometric contraction. This biological friction, combined with the harsh spectrum of artificial blue light, sends continuous distress signals through the optic nerve. The brain interprets this intense visual constriction as a signal of imminent physical danger, actively suppressing the parasympathetic "e;rest and digest"e; system and flooding the body with low-grade stress hormones. This essential biological survival guide uncovers the physiological cost of the digital age. It documents the anatomical link between the eyes and the vagus nerve, the hidden dangers of reduced blink rates, and highly practical visual resets to break the neurological feedback loop of screen-based panic. You cannot relax if your eyes are holding their breath. The Optic Nerve Strain proves that curing digital anxiety begins with changing how your eyes physically interact with the light.