source: DCWoRMS/branches/coolemall/src/test/thermal/recs/plugins/energy/ThermalConstants.java @ 1312

package test.thermal.recs.plugins.energy;

public class ThermalConstants {
        
        /*
         * v1. Hongyang Sun, 21/03/2014.
         * 
         * This package is created for the thermal-aware scheduling policies designed in CoolEmAll (www.cooemall.eu).
         * Details of these policies and experimental results can be found in deliverable D4.6 on the project website.
         * 
         * The setting and the temperature estimation is for a CoolEmAll RECS with 18 nodes and the following layout:
         *     | 10   01 | 
         *     | 11       02 |
         *     | 12       03 |
         *     | 13       04 |
         *     | 14       05 |
         *     | 15       06 |
         *     | 16       07 |
         *     | 17       08 |
         *     | 18       09 |
         * where node i and i+9 share the same outlet and inlet for i = 1..9.
         * 
         * The thermal-aware scheduling plugins (Coolest, MaxTempOpt and TempIncrOpt) are implemented in the version 
         * of the simulator dated 2014 March. In this version, 
         * (1). The power estimation of a node is guaranteed to be correct upon each invocation of the scheduler.
         * (2). The temperature, however, may not be up to date, so one should always derive temperature from power.
         * (3). If each invocation of the scheduler schedules several jobs, the power (and temperature) is not 
         *              updated between job assignments. So one should always keep track of the power (and temperature)
         *              changes locally in this case.   
         */
        
        public static double tin = 25;
        public static double Q = 0.0056085;
        public static double C = 1004;
        public static double delta1 = 1.780594389/2;
        public static double delta2 = 2.162043729/2;
        public static double ro = 1.168;
        
        public static double fanPower = 6;
        
        // calculate the outlet temperature, given the power1 on the inlet node and power2 on the outlet node.
        public static double calculateOutletTemp(double power1, double power2){
                double tout = tin + delta1 * (power1/(Q * C * ro)) +  delta2 * (power2/(Q * C * ro));
                return tout;
        }
}