A cooling system , comprising a receiver tank , an evaporator , a compressor and a gas cooler , wherein - the receiver tank comprises a fluid inlet , a liquid outlet and a gas outlet ; - the evaporator comprises an evaporator inlet and an evaporator outlet , - the compressor comprises a compressor inlet and a compressor outlet ; - the gas cooler comprises a cooler inlet and a cooler outlet ; and the liquid outlet of the receiver tank is connected to the evaporator inlet via a first conduit , the evaporator outlet is connected to the compressor inlet via a second conduit , the compressor outlet is connected to the cooler inlet via a third conduit , and the cooler outlet is connected to the fluid inlet of the receiver via a fourth conduit , wherein at least one of the first conduit and the fourth conduit comprises a pressure regulator , and the gas outlet of the receiver tank is connected to the evaporator inlet via a fifth conduit and a gas flow regulator , such that a flow of liquid refrigerant in the first conduit may be controlled by operating the gas flow regulator during use, characterised by further comprising: a first temperature sensor arranged in the second conduit ; a control system configured to obtain a differential temperature curve relative to the boiling temperature of the liquid refrigerant within the evaporator based on the temperature measured by the first temperature sensor ; and to control the gas flow regulator in order to increase or reduce a flow of gaseous refrigerant in the fifth conduit depending on whether the differential temperature curve shows a falling or rising differential temperature, respectively. - the receiver tank comprises a fluid inlet , a liquid outlet and a gas outlet ; - the evaporator comprises an evaporator inlet and an evaporator outlet , - the compressor comprises a compressor inlet and a compressor outlet ; - the gas cooler comprises a cooler inlet and a cooler outlet ; and the liquid outlet of the receiver tank is connected to the evaporator inlet via a first conduit , the evaporator outlet is connected to the compressor inlet via a second conduit , the compressor outlet is connected to the cooler inlet via a third conduit , and the cooler outlet is connected to the fluid inlet of the receiver via a fourth conduit , wherein at least one of the first conduit and the fourth conduit comprises a pressure regulator , and the gas outlet of the receiver tank is connected to the evaporator inlet via a fifth conduit and a gas flow regulator , such that a flow of liquid refrigerant in the first conduit may be controlled by operating the gas flow regulator during use, characterised by further comprising: a first temperature sensor arranged in the second conduit ; a control system configured to obtain a differential temperature curve relative to the boiling temperature of the liquid refrigerant within the evaporator based on the temperature measured by the first temperature sensor ; and to control the gas flow regulator in order to increase or reduce a flow of gaseous refrigerant in the fifth conduit depending on whether the differential temperature curve shows a falling or rising differential temperature, respectively. <EOS>