Threads Tagged with solar Thread / Thread Starter Last Post Replies Views Forum I have an 800 amp car battery no load connected at anytime to a 10 watt solar panel with just a regular diode in... Y 06:31 PM RocketSci5KN 17 304 Electrical Engineering Hi, apparently you can calculate the amount of energy the sun delivers to each square meter of the earth using an... Dec8-13 12:18 PM dauto 1 433 General Physics I saw this article and wanted to see anyone is interested in discussing what percentage of power will be lost in... Dec1-13 03:05 PM Simon Bridge 3 271 General Physics Hello, everyone. On physics Olympiad in our country I get a interesting example... But, I didn't know how to solve... Dec1-13 05:40 AM snorkack 1 287 Astrophysics 1. The problem statement, all variables and given/known data I am constructing an N-body simulation in Java that will... Nov27-13 03:16 PM gneill 57 1,129 Engineering, Comp Sci, & Technology Homework Ok I know our moon is getting farther away due to gravity (tidal force indirect), basically giving it kinetic energy... Nov21-13 08:26 PM P.Bo 2 808 General Astronomy 1. The problem statement, all variables and given/known data using a climate sensitivity of 0.5K per watt per square... Nov17-13 07:38 PM haruspex 1 167 Introductory Physics Homework I have a diesel van that has a dual battery starting system. Each battery has 850CCA. I have 75w of roof mounted... Nov16-13 07:16 AM Okefenokee 1 327 Electrical Engineering Dose anyone know that what is the newest generation of solar cells? Nov11-13 05:29 AM hokhani 2 225 General Physics 1. The problem statement, all variables and given/known data Analyse the interruption of solar observation of a... Nov9-13 02:22 PM Paul Gray 0 363 Introductory Physics Homework 1. The problem statement, all variables and given/known data I am creating an astrophysical simulation involving an... Nov2-13 06:22 PM Devils 15 662 Engineering, Comp Sci, & Technology Homework Greetings PFers I’m thinking about building a Tiny House similar to the one below, except outfitted with solar power.... Oct23-13 10:21 PM Bobbywhy 3 1,324 General Engineering As far as I know, when the light is shining on the solar cell (PN junction), current would be stopped if voltage... Oct23-13 09:21 PM meBigGuy 1 311 Electrical Engineering Ok, so I've been passionately researching my latest novel idea as it takes place in an extremely far fetched future... Oct22-13 08:26 AM arildno 3 534 Science Fiction Writing Hello. Here is my executive summary. Anyhave have recommendations for the titles. Originally it is "Space Based... Sep29-13 09:52 AM Andrew Mason 6 319 General Physics A solar panel have a certain voltage at which it produces the most power. Below this voltage it's a current source -... Sep29-13 06:03 AM meBigGuy 17 444 Electrical Engineering Solar winds contain plasma, which are charged particles and carry Sun's magnetic field orientation, when those solar... Sep3-13 03:33 AM space0 4 642 Astrophysics Hello, We are a solar energy solutions provider and we are looking to explore CSP plants at smaller scales. I... Sep2-13 05:02 PM marciokoko 11 1,001 General Engineering Compound A has an albedo value (visible spectrum) of 0.08, and an emissivity (infrared) of 0.08. Compound B has an... Sep1-13 08:33 AM ZanyCat 1 248 Introductory Physics Homework I don't know if this is the right forum but I'm curious. Companies are searching for alternatives like copper and zinc... Aug30-13 05:39 PM mfb 5 899 Materials & Chemical Engineering Given: a ~3W monocrystalline solar panel, originally from a panel+battery+light pack from early 90s, spent a decade in... Aug28-13 02:11 PM nsaspook 1 413 Electrical Engineering Does anyone have access to the current data about solar radiation reaching Earth's surface ? The most importaint is... Aug27-13 07:50 AM Optocopto 2 709 General Astronomy Here's the Cassini image from Saturn. Suppose I map an x-y coordinate system on that picture with the earth (that... Jul25-13 01:47 PM collinsmark 8 1,645 General Astronomy I am planning to install a Solar system of 6KW of electricity output enough for a water pump (submersible) and a small... Jul23-13 03:32 AM jackscrew 10 992 Mechanical Engineering I would like to build a small solar powered phone charger for when I go up to camp soon, I was planning on using a... Jul18-13 12:37 PM amanno 1 339 Electrical Engineering 1. The problem statement, all variables and given/known data The given quantities are the shunt resistances across... Jul15-13 05:42 AM harikasri 4 347 Engineering, Comp Sci, & Technology Homework I live at 4000 feet above sea level and list night I saw some shooting stars, one real big one coming from the south... Jul13-13 02:54 PM lpetrich 8 833 Cosmology Dear visionary inventors, megalomaniac engineers and audacious explorers, Chemical rocket engines aren't up to our... Jul11-13 09:19 AM Enthalpy 7 1,818 Aerospace Engineering On an eclipsed day,for example,a partially eclipsed day,when I make a hole in a piece of paper and place it on the... Jul10-13 01:08 PM adjacent 5 367 General Physics Any comments on the recent N. P. Pitjev and E. V. Pitjeva paper: Constraints on Dark Matter in the Solar System... Jul6-13 08:28 AM D H 7 752 Cosmology I have a sailboat with 2 solar panels installed. They work well, except at the end of the season when the days are... Jul3-13 07:33 AM MrAnchovy 3 1,980 General Engineering Per NASA's press release ( http://www.nasa.gov/mission_pages/voyager/voyager20120614.html ) of 14 June 2012,... Jun29-13 04:35 PM marcus 42 6,417 General Astronomy Hi everyone, I am humbly here to ask a question. I have no EE training or education (as will become apparent) but I... Jun29-13 05:53 AM SirAskalot 4 430 Electrical Engineering Hi; Normally, the solar panel charges a 12V battery and battery provides backup to load via an inverter. The solar... Jun17-13 12:59 AM OmCheeto 5 544 Electrical Engineering Is there a good publication describing the different types of solar arrays? Bipolar, grounded and ungrounded... Jun16-13 06:40 PM Josh111 0 293 Electrical Engineering I have a solar calculator and it also has a battery what I want to know if this solar cell would charge the battery.... Jun14-13 10:04 AM Windadct 2 347 Electrical Engineering I've recently been assigned a project by one of my professors to animate a solar system style disc using real data... May28-13 12:24 AM sina12345 8 1,140 Astrophysics I want to build a usb charger that works with solar power (and later add a crank dynamo too). The photovoltaic cell... May22-13 02:10 PM jim hardy 11 699 Electrical Engineering If two spinning, neutron stars in a tight orbit lose energy by giving off gravity waves, why don't other objects in... May15-13 10:24 AM enceladus_ 7 507 Special & General Relativity I tried today to calculate the power that the solar cell produced, connecting it to an ammeter(digital) and a... May7-13 11:27 PM Introyble 5 611 General Physics