energy

Author: irrevion

lab/test_physics_electron.php

@@ -22,6 +22,10 @@
 print "De Broglie wavelength of electron is $λdB \n";
 $λdB = Electron::getDeBroglieWavelength(Physics::q(1, Planck::length)/Physics::q(1, NonStandard::year));
 print "De Broglie wavelength of electron is $λdB \n";
+$λdB = Electron::getDeBroglieWavelength(10);
+print "\n\n De Broglie wavelength of electron is $λdB \n";
+$λdB = Electron::getDeBroglieWavelength(20);
+print "De Broglie wavelength of electron is $λdB \n";
 ?>
 
 <?php

vendor/irrevion/science/Physics/Unit/Categories.php

@@ -36,14 +36,14 @@ class Categories {
 			// btu
 			// calorie
 			// coal_ton
-			// electron_volt
-			// eV
+			'electron_volt' => 'Entities\ElectronVolt',
+			'eV' => 'Entities\ElectronVolt',
 			// erg
 			// exajoule
 			// foot_poundal
 			// gigajoule
 			// hartree
-			// joule
+			'joule' => 'Entities\Joule',
 			// kilocalorie
 			// kcal
 			// kilojoule
@@ -55,7 +55,7 @@ class Categories {
 			// rydberg
 			// terawatt_year
 			// therm
-			// watt_hour
+			'watt_second' => 'Entities\Joule',
 		],
 		'length' => [
 			// Angstrom

vendor/irrevion/science/Physics/Unit/Entities/ElectronVolt.php

@@ -0,0 +1,16 @@
+<?php
+namespace irrevion\science\Physics\Unit\Entities;
+
+class ElectronVolt implements Energy, NonStandard {
+	const name = 'electronvolt';
+	const short_name = 'eV';
+	// const category = 'energy'; // defined by interface
+	// const unit_system = 'NonStandart'; // defined by interface
+	const measure = 'eV';
+	const reference = 1;
+	const reference_measure = 'J';
+	const alias = 'E';
+	const descr = 'In physics, an electronvolt (symbol eV, also written electron-volt and electron volt) is the measure of an amount of kinetic energy gained by a single electron accelerating from rest through an electric potential difference of one volt in vacuum. When used as a unit of energy, the numerical value of 1 eV in joules (symbol J) is equivalent to the numerical value of the charge of an electron in coulombs (symbol C). Under the 2019 redefinition of the SI base units, this sets 1 eV equal to the exact value 1.602176634×10−19 J.';
+	const base = 'J';
+}
+?>

vendor/irrevion/science/Physics/Unit/Entities/Energy.php

@@ -0,0 +1,7 @@
+<?php
+namespace irrevion\science\Physics\Unit\Entities;
+
+interface Energy extends UnitInterface {
+	final const category = 'energy';
+}
+?>

vendor/irrevion/science/Physics/Unit/Entities/Joule.php

@@ -0,0 +1,16 @@
+<?php
+namespace irrevion\science\Physics\Unit\Entities;
+
+class Joule implements Energy, SI {
+	const name = 'joule';
+	const short_name = 'J';
+	// const category = 'energy'; // defined by interface
+	// const unit_system = 'SI'; // defined by interface
+	const measure = 'J';
+	const reference = 1;
+	const reference_measure = 'J';
+	const alias = 'E';
+	const descr = 'The joule is the unit of energy in the International System of Units (SI). It is equal to the amount of work done when a force of 1 newton displaces a mass through a distance of 1 metre in the direction of the force applied. It is also the energy dissipated as heat when an electric current of one ampere passes through a resistance of one ohm for one second.';
+	const base = 'J';
+}
+?>

vendor/irrevion/science/Physics/Unit/Natural.php

@@ -0,0 +1,18 @@
+<?php
+namespace irrevion\science\Physics\Unit;
+
+// Hartree units
+enum Natural: string implements SystemInterface {
+	case electron_mass = 'mass.electron_mass';
+	case electronvolt = 'energy.electronvolt';
+	case planck_length = 'length.planck_length';
+
+	public function i($const='') {
+		$reflection = Categories::get($this->value);
+		if (empty($const)) {
+			return $reflection;
+		}
+		return $reflection->getConstant($const);
+	}
+}
+?>

vendor/irrevion/science/Physics/Unit/NonStandard.php

@@ -4,6 +4,7 @@
 enum NonStandard: string implements SystemInterface {
 	case celsius = 'temperature.celsius';
 	case electron_mass = 'mass.electron_mass';
+	case electronvolt = 'energy.electronvolt';
 	case planck_length = 'length.planck_length';
 	case rankine = 'temperature.rankine';
 	case year = 'time.year';

vendor/irrevion/science/Physics/Unit/SI.php

@@ -16,9 +16,11 @@ enum SI: string implements SystemInterface {
 	// Derived units
 	case candela_per_square_metre = 'brightness.candela_per_square_metre';
 	// case celsius = 'temperature.celsius'; // disabled so autocasting still work
+	case joule = 'energy.joule';
 	case nit = 'brightness.nit';
 	case radian = 'angle.radian';
 	case volt = 'electric_tension.volt';
+	case watt_second = 'energy.watt_second';
 
 	public function i($const='') {
 		$reflection = Categories::get($this->value);