A Solar Car Primer

Thacher, Eric Forsta

doi:10.1007/978-3-319-17494-5

Cited by 9 publications

(3 citation statements)

References 37 publications

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“…The drag area for a regular passenger car is approximately 5 x 0.12. As far as the effect on drag due to the interaction between the car and trailers, this effect was reported in previous literature for airfoils in tandem [8]. Even though the distribution of drag coefficients altered, the resulting net effect on drag was small.…”

Section: Road Data and Power Consumption Of Both A Standalone Carsupporting

confidence: 66%

“…The solar energy produced by the array while driving depends on the angle φ between the sunlight and the normal to the ground. b) Aerodynamic force: For solar cars, the typical drag area AC d is approximately 0.12m 2 [7,8]. For a solar-battery car with up to four passengers, the aerodynamic force is calculated based on a drag area AC d =3.…”

Section: Road Data and Power Consumption Of Both A Standalone Carmentioning

confidence: 99%

“…c) Rolling resistance: The rolling resistance for a solar car is approximately 0.005 [7]. Previous literature reported that the rolling resistance for a flat terrain varies between 0.0038 and 0.0054 for speeds of 40km/h and 90km/h, respectively [8]. In this paper, the rolling resistance coefficient for the wheels of the car is as assumed to be 0.01; the rolling resistance coefficient for the wheels of the trailer is assumed to be 0.0055. d) Gravity resistance: The necessary power to overcome gravity resistance is determined by P gravity =weight*sin(α)*speed (W), where α is the angle of the inclined path.…”

Section: Road Data and Power Consumption Of Both A Standalone Carmentioning

confidence: 99%

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Exploring the Concept of a Solar-Battery Car with Single and Double Solar-Trailers

Kasti¹

2015

IJEE

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Abstract-Solar energy is a clean source of energy that is available throughout the year in some parts of the globe. For solar energy to be significant, a large area is needed to harvest solar radiation. One type of machine that attempts to use solar energy, in addition to battery power, is the solar car. Solar cars, used in international competitions, are based on building an efficient system on all fronts (mechanical, aerodynamic, solar panels, batteries, etc.) in order to achieve high speeds and the shortest travel times, while saving consumable energy. At the other extreme of this spectrum of solar-battery cars is a specialized class that attempts to minimize the use of battery power and maximize acquired solar energy. One way to accomplish this is by increasing the size of the solar array. This paper explores the possible use of solar trailers to increase solar power input. The resulting excess power, derived from solar trailers, may be used to drive accessories that may be life necessities in some parts of the world. At least three variables determine the operating boundaries of solar cars: the net energy produced, the speed of the car and the stability requirements, such as dynamics control and sliding. This paper analyzes these three variables and how they affect the possible use of one/two solartrailers with solar battery cars.First, we provide an example that compares the energy consumed by a standalone car and a car with one or two solar-trailers, when traveling along a specific track at different speeds. Next, we analyze the stability of the lateral dynamics using a line model of the car-trailer system at different speeds and various car configurations. Finally, we evaluate the requirements for ground adhesion when travelling along a curved path.

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Section: Road Data and Power Consumption Of Both A Standalone Carsupporting

confidence: 66%

Section: Road Data and Power Consumption Of Both A Standalone Carmentioning

confidence: 99%

Section: Road Data and Power Consumption Of Both A Standalone Carmentioning

confidence: 99%

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Exploring the Concept of a Solar-Battery Car with Single and Double Solar-Trailers

Kasti¹

2015

IJEE

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A CFD Study on Photovoltaic Performance Investigation of a Solar Racing Car

Korkut

Goren

Ezan

2019

Environmentally-Benign Energy Solutions

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A systematic material-oriented design approach for lightweight components and the CFRP motor wheel case study

Cocchi

Raimondi

Brugo

et al. 2020

Int J Adv Manuf Technol

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Lightweighting is a need in many industrial fields and, in particular, in transports, to reduce energy consumptions and to promote more environmentally friendly solutions. In this context, the use of composite materials has become ever more strategic, and a design approach that effectively combines shapes and materials is by now mandatory. In this work, the Systematic Design Approach has been extended to include potentialities and constraints related to materials and manufacturing at the early steps of the design flow. The proposed approach, named systematic material-oriented design approach, enables designers to identify and to select, in a systematic way, design solutions where shapes are tailored to materials and where benefits and criticalities related to the manufacturing processes are considered. In the paper, each design phase of the approach is described and applied to design the carbon fiber-reinforced polymer (CFRP) motor wheel of the Emilia 4 solar vehicle. Optimization steps of geometry and materials complete the approach. The design of the wheel is fully detailed as well as its manufacturing and bending tests under static and fatigue conditions. In particular, strain fields were measured with a 3D digital image correlation (DIC) system during static tests to validate the numerical model.

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A Solar Car Primer

Cited by 9 publications

References 37 publications

Exploring the Concept of a Solar-Battery Car with Single and Double Solar-Trailers

Exploring the Concept of a Solar-Battery Car with Single and Double Solar-Trailers

A CFD Study on Photovoltaic Performance Investigation of a Solar Racing Car

A systematic material-oriented design approach for lightweight components and the CFRP motor wheel case study

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