<?php /** * Zend Framework * * LICENSE * * This source file is subject to the new BSD license that is bundled * with this package in the file LICENSE.txt. * It is also available through the world-wide-web at this URL: * http://framework.zend.com/license/new-bsd * If you did not receive a copy of the license and are unable to * obtain it through the world-wide-web, please send an email * to license@zend.com so we can send you a copy immediately. * * @category Zend * @package Zend_Measure * @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License * @version $Id: Power.php 13209 2008-12-13 22:34:06Z thomas $ */ /** * Implement needed classes */ require_once 'Zend/Measure/Abstract.php'; require_once 'Zend/Locale.php'; /** * Class for handling power conversions * * @category Zend * @package Zend_Measure * @subpackage Zend_Measure_Power * @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ class Zend_Measure_Power extends Zend_Measure_Abstract { const STANDARD = 'WATT'; const ATTOWATT = 'ATTOWATT'; const BTU_PER_HOUR = 'BTU_PER_HOUR'; const BTU_PER_MINUTE = 'BTU_PER_MINUTE'; const BTU_PER_SECOND = 'BTU_PER_SECOND'; const CALORIE_PER_HOUR = 'CALORIE_PER_HOUR'; const CALORIE_PER_MINUTE = 'CALORIE_PER_MINUTE'; const CALORIE_PER_SECOND = 'CALORIE_PER_SECOND'; const CENTIWATT = 'CENTIWATT'; const CHEVAL_VAPEUR = 'CHEVAL_VAPEUR'; const CLUSEC = 'CLUSEC'; const DECIWATT = 'DECIWATT'; const DEKAWATT = 'DEKAWATT'; const DYNE_CENTIMETER_PER_HOUR = 'DYNE_CENTIMETER_PER_HOUR'; const DYNE_CENTIMETER_PER_MINUTE = 'DYNE_CENTIMETER_PER_MINUTE'; const DYNE_CENTIMETER_PER_SECOND = 'DYNE_CENTIMETER_PER_SECOND'; const ERG_PER_HOUR = 'ERG_PER_HOUR'; const ERG_PER_MINUTE = 'ERG_PER_MINUTE'; const ERG_PER_SECOND = 'ERG_PER_SECOND'; const EXAWATT = 'EXAWATT'; const FEMTOWATT = 'FEMTOWATT'; const FOOT_POUND_FORCE_PER_HOUR = 'FOOT_POUND_FORCE_PER_HOUR'; const FOOT_POUND_FORCE_PER_MINUTE = 'FOOT_POUND_FORCE_PER_MINUTE'; const FOOT_POUND_FORCE_PER_SECOND = 'FOOT_POUND_FORCE_PER_SECOND'; const FOOT_POUNDAL_PER_HOUR = 'FOOT_POUNDAL_PER_HOUR'; const FOOT_POUNDAL_PER_MINUTE = 'FOOT_POUNDAL_PER_MINUTE'; const FOOT_POUNDAL_PER_SECOND = 'FOOT_POUNDAL_PER_SECOND'; const GIGAWATT = 'GIGAWATT'; const GRAM_FORCE_CENTIMETER_PER_HOUR = 'GRAM_FORCE_CENTIMETER_PER_HOUR'; const GRAM_FORCE_CENTIMETER_PER_MINUTE = 'GRAM_FORCE_CENTIMETER_PER_MINUTE'; const GRAM_FORCE_CENTIMETER_PER_SECOND = 'GRAM_FORCE_CENTIMETER_PER_SECOND'; const HECTOWATT = 'HECTOWATT'; const HORSEPOWER_INTERNATIONAL = 'HORSEPOWER_INTERNATIONAL'; const HORSEPOWER_ELECTRIC = 'HORSEPOWER_ELECTRIC'; const HORSEPOWER = 'HORSEPOWER'; const HORSEPOWER_WATER = 'HORSEPOWER_WATER'; const INCH_OUNCE_FORCE_REVOLUTION_PER_MINUTE = 'INCH_OUNCH_FORCE_REVOLUTION_PER_MINUTE'; const JOULE_PER_HOUR = 'JOULE_PER_HOUR'; const JOULE_PER_MINUTE = 'JOULE_PER_MINUTE'; const JOULE_PER_SECOND = 'JOULE_PER_SECOND'; const KILOCALORIE_PER_HOUR = 'KILOCALORIE_PER_HOUR'; const KILOCALORIE_PER_MINUTE = 'KILOCALORIE_PER_MINUTE'; const KILOCALORIE_PER_SECOND = 'KILOCALORIE_PER_SECOND'; const KILOGRAM_FORCE_METER_PER_HOUR = 'KILOGRAM_FORCE_METER_PER_HOUR'; const KILOGRAM_FORCE_METER_PER_MINUTE = 'KILOGRAM_FORCE_METER_PER_MINUTE'; const KILOGRAM_FORCE_METER_PER_SECOND = 'KILOGRAM_FORCE_METER_PER_SECOND'; const KILOPOND_METER_PER_HOUR = 'KILOPOND_METER_PER_HOUR'; const KILOPOND_METER_PER_MINUTE = 'KILOPOND_METER_PER_MINUTE'; const KILOPOND_METER_PER_SECOND = 'KILOPOND_METER_PER_SECOND'; const KILOWATT = 'KILOWATT'; const MEGAWATT = 'MEGAWATT'; const MICROWATT = 'MICROWATT'; const MILLION_BTU_PER_HOUR = 'MILLION_BTU_PER_HOUR'; const MILLIWATT = 'MILLIWATT'; const NANOWATT = 'NANOWATT'; const NEWTON_METER_PER_HOUR = 'NEWTON_METER_PER_HOUR'; const NEWTON_METER_PER_MINUTE = 'NEWTON_METER_PER_MINUTE'; const NEWTON_METER_PER_SECOND = 'NEWTON_METER_PER_SECOND'; const PETAWATT = 'PETAWATT'; const PFERDESTAERKE = 'PFERDESTAERKE'; const PICOWATT = 'PICOWATT'; const PONCELET = 'PONCELET'; const POUND_SQUARE_FOOR_PER_CUBIC_SECOND = 'POUND_SQUARE_FOOT_PER_CUBIC_SECOND'; const TERAWATT = 'TERAWATT'; const TON_OF_REFRIGERATION = 'TON_OF_REFRIGERATION'; const WATT = 'WATT'; const YOCTOWATT = 'YOCTOWATT'; const YOTTAWATT = 'YOTTAWATT'; const ZEPTOWATT = 'ZEPTOWATT'; const ZETTAWATT = 'ZETTAWATT'; /** * Calculations for all power units * * @var array */ protected $_units = array( 'ATTOWATT' => array('1.0e-18', 'aW'), 'BTU_PER_HOUR' => array('0.29307197', 'BTU/h'), 'BTU_PER_MINUTE' => array('17.5843182', 'BTU/m'), 'BTU_PER_SECOND' => array('1055.059092', 'BTU/s'), 'CALORIE_PER_HOUR' => array(array('' => '11630', '*' => '1.0e-7'), 'cal/h'), 'CALORIE_PER_MINUTE' => array(array('' => '697800', '*' => '1.0e-7'), 'cal/m'), 'CALORIE_PER_SECOND' => array(array('' => '41868000', '*' => '1.0e-7'), 'cal/s'), 'CENTIWATT' => array('0.01', 'cW'), 'CHEVAL_VAPEUR' => array('735.49875', 'cv'), 'CLUSEC' => array('0.0000013332237', 'clusec'), 'DECIWATT' => array('0.1', 'dW'), 'DEKAWATT' => array('10', 'daW'), 'DYNE_CENTIMETER_PER_HOUR' => array(array('' => '1.0e-7','/' => '3600'), 'dyn cm/h'), 'DYNE_CENTIMETER_PER_MINUTE' => array(array('' => '1.0e-7','/' => '60'), 'dyn cm/m'), 'DYNE_CENTIMETER_PER_SECOND' => array('1.0e-7', 'dyn cm/s'), 'ERG_PER_HOUR' => array(array('' => '1.0e-7','/' => '3600'), 'erg/h'), 'ERG_PER_MINUTE' => array(array('' => '1.0e-7','/' => '60'), 'erg/m'), 'ERG_PER_SECOND' => array('1.0e-7', 'erg/s'), 'EXAWATT' => array('1.0e+18', 'EW'), 'FEMTOWATT' => array('1.0e-15', 'fW'), 'FOOT_POUND_FORCE_PER_HOUR' => array(array('' => '1.3558179', '/' => '3600'), 'ft lb/h'), 'FOOT_POUND_FORCE_PER_MINUTE' => array(array('' => '1.3558179', '/' => '60'), 'ft lb/m'), 'FOOT_POUND_FORCE_PER_SECOND' => array('1.3558179', 'ft lb/s'), 'FOOT_POUNDAL_PER_HOUR' => array(array('' => '0.04214011','/' => '3600'), 'ft pdl/h'), 'FOOT_POUNDAL_PER_MINUTE' => array(array('' => '0.04214011', '/' => '60'), 'ft pdl/m'), 'FOOT_POUNDAL_PER_SECOND' => array('0.04214011', 'ft pdl/s'), 'GIGAWATT' => array('1.0e+9', 'GW'), 'GRAM_FORCE_CENTIMETER_PER_HOUR' => array(array('' => '0.0000980665','/' => '3600'), 'gf cm/h'), 'GRAM_FORCE_CENTIMETER_PER_MINUTE' => array(array('' => '0.0000980665','/' => '60'), 'gf cm/m'), 'GRAM_FORCE_CENTIMETER_PER_SECOND' => array('0.0000980665', 'gf cm/s'), 'HECTOWATT' => array('100', 'hW'), 'HORSEPOWER_INTERNATIONAL' => array('745.69987', 'hp'), 'HORSEPOWER_ELECTRIC' => array('746', 'hp'), 'HORSEPOWER' => array('735.49875', 'hp'), 'HORSEPOWER_WATER' => array('746.043', 'hp'), 'INCH_OUNCH_FORCE_REVOLUTION_PER_MINUTE' => array('0.00073948398', 'in ocf/m'), 'JOULE_PER_HOUR' => array(array('' => '1', '/' => '3600'), 'J/h'), 'JOULE_PER_MINUTE' => array(array('' => '1', '/' => '60'), 'J/m'), 'JOULE_PER_SECOND' => array('1', 'J/s'), 'KILOCALORIE_PER_HOUR' => array('1.163', 'kcal/h'), 'KILOCALORIE_PER_MINUTE' => array('69.78', 'kcal/m'), 'KILOCALORIE_PER_SECOND' => array('4186.8', 'kcal/s'), 'KILOGRAM_FORCE_METER_PER_HOUR' => array(array('' => '9.80665', '/' => '3600'), 'kgf m/h'), 'KILOGRAM_FORCE_METER_PER_MINUTE' => array(array('' => '9.80665', '/' => '60'), 'kfg m/m'), 'KILOGRAM_FORCE_METER_PER_SECOND' => array('9.80665', 'kfg m/s'), 'KILOPOND_METER_PER_HOUR' => array(array('' => '9.80665', '/' => '3600'), 'kp/h'), 'KILOPOND_METER_PER_MINUTE' => array(array('' => '9.80665', '/' => '60'), 'kp/m'), 'KILOPOND_METER_PER_SECOND' => array('9.80665', 'kp/s'), 'KILOWATT' => array('1000', 'kW'), 'MEGAWATT' => array('1000000', 'MW'), 'MICROWATT' => array('0.000001', 'µW'), 'MILLION_BTU_PER_HOUR' => array('293071.07', 'mio BTU/h'), 'MILLIWATT' => array('0.001', 'mM'), 'NANOWATT' => array('1.0e-9', 'nN'), 'NEWTON_METER_PER_HOUR' => array(array('' => '1', '/' => '3600'), 'Nm/h'), 'NEWTON_METER_PER_MINUTE' => array(array('' => '1', '/' => '60'), 'Nm/m'), 'NEWTON_METER_PER_SECOND' => array('1', 'Nm/s'), 'PETAWATT' => array('1.0e+15', 'PW'), 'PFERDESTAERKE' => array('735.49875', 'PS'), 'PICOWATT' => array('1.0e-12', 'pW'), 'PONCELET' => array('980.665', 'p'), 'POUND_SQUARE_FOOT_PER_CUBIC_SECOND' => array('0.04214011', 'lb ft²/s³'), 'TERAWATT' => array('1.0e+12', 'TW'), 'TON_OF_REFRIGERATION' => array('3516.85284', 'RT'), 'WATT' => array('1', 'W'), 'YOCTOWATT' => array('1.0e-24', 'yW'), 'YOTTAWATT' => array('1.0e+24', 'YW'), 'ZEPTOWATT' => array('1.0e-21', 'zW'), 'ZETTAWATT' => array('1.0e+21', 'ZW'), 'STANDARD' => 'WATT' ); }