Generator

A method for generating output energy using a generator, wherein the generator includes:

• a heat differential module comprising:
• a first, high temperature reservoir configured for containing a work medium at high temperature;
• a second, low temperature reservoir configured for containing a work medium at low temperature;
• and
• a heat mechanism being in fluid communication with at least one of the reservoirs and configured for maintaining a temperature difference therebetween by at least one of the following:
• providing heat into the first, high temperature reservoir;
• or
• removing heat from the second, low temperature reservoir;
• a pressure module comprising a pressure medium which is in selective fluid communication with the first, high temperature reservoir and the second, low temperature reservoir of the heat differential module for alternately performing a heat exchange process with the high/low temperature work medium of the reservoirs, to fluctuate between a minimal operative temperature and a maximal operative temperature of the pressure medium corresponding to the high and low temperature of the reservoirs;
• a conversion module being in mechanical communication with the pressure medium and configured for utilizing temperature changes of the pressure medium for the production of output energy;
• and
• a heat recovery arrangement being the thermal communication with the heat differential module and configured for absorbing heat from the pressure medium and providing heat to the heat differential module or to the pressure module,
• the method comprising:
• 0) operating the heat differential module so as to maintain a temperature difference between the first, high temperature reservoir and the second, low temperature reservoir;
• I) providing high temperature work medium at temperature TH to the pressure module and causing it to perform a heat exchange process with the pressure medium thereby raising the temperature of the pressure medium to a maximal operative temperature TPMAX and consequently lowering the temperature of the high temperature work medium to TH-COOLED;
• II) returning the high temperature work medium of temperature TH-COOLED to the first, high temperature reservoir and performing step (0) as to raise its temperature back to TH;
• III) providing low temperature work medium at temperature TL to the pressure module to perform a heat exchange process with the pressure medium thereby lowering the temperature of the pressure medium to a minimal operative temperature TPMIN and consequently raising the temperature of the low temperature work medium to TL-HEATED;
• IV) returning the low temperature work medium of temperature TL-HEATED to the second, low temperature reservoir;
• and
• V) expelling heat from the low temperature work medium to lower its temperature back to TL
• wherein TL<TPMAX, TPMIN<TH.

A core configured for use in a heat exchange process within a vessel, the core comprising:

• a substructure and a surrounding grill so that there is formed a first space defined by an inner space of the substructure and a second space defined between the grill and the substructure;
• winglets extending between the substructure and the grill and fins extending between the grill and a hull of the pressure vessel;
• wherein the grill is configured for revolving about the substructure while at least one of the winglets or fins is configured for remaining static during rotation of the grill;
• and
• wherein the first space and the second space are in fluid communication with one another such that fluid is configured for being contained in both the first and the second space.