## 4 Conclusions
### Nomenclature  
\begin{tabular}{l l} \(A_{e}\) & heat transfer area of evaporator, (m\({}^{2}\)) \\ \(c_{cw}\) & specific heat of cooling water, (kJ\(\cdot\)kg\({}^{-1}\cdot\)K\({}^{-1}\)) \\ \(c_{ew}\) & specific heat of cold water, (kJ\(\cdot\)kg\({}^{-1}\cdot\)K\({}^{-1}\)) \\ \(E_{fg}\) & entrainment factor \\ \(f\) & polytropic work factor \\ \(h_{0,evb}\) & total enthalpy of refrigerant vapor at evaporator outlet, (kJ\(\cdot\)kg\({}^{-1}\)) \\ \(h_{0,elb}\) & total enthalpy of refrigerant liquid at evaporator outlet, (kJ\(\cdot\)kg\({}^{-1}\)) \\ \(h_{sub}\) & enthalpy of refrigerant liquid at condenser outlet, (kJ\(\cdot\)kg\({}^{-1}\)) \\ \(h_{0,cvb}\) & total discharge enthalpy of compressor, (kJ\(\cdot\)kg\({}^{-1}\)) \\ \(h_{cav}\) & discharge enthalpy of compressor, (kJ\(\cdot\)kg\({}^{-1}\)) \\ \(h_{evo}\) & vapor enthalpy at evaporator outlet, (kJ\(\cdot\)kg\({}^{-1}\)) \\ \(h_{elb}\) & saturated liquid enthalpy at evaporator outlet, (kJ\(\cdot\)kg\({}^{-1}\)) \\ \(K\) & total heat transfer coefficient of evaporator, (W\(\cdot\)m\({}^{-2}\cdot\)K\({}^{-1}\)) \\ \(Load\) & load factor of motor \\ \(m_{l}\) & liquid flow rate from evaporator, (kg\(\cdot\)s\({}^{-1}\)) \\ \(m_{r}\) & refrigerant flow rate, (kg\(\cdot\)s\({}^{-1}\)) \\ \(m_{v}\) & vapor flow rate from evaporator, (kg\(\cdot\)s\({}^{-1}\)) \\ \(p_{c}\) & condensation pressure, (kPa) \\ \(p_{dis}\) & discharge pressure, (kPa) \\ \(p_{e}\) & evaporation pressure, (kPa) \\ \(p_{sat}\) & suction pressure, (kPa) \\ \(\Delta p_{ew}\) & cooling water pressure drop, (kPa) \\ \(\Delta p_{ew}\) & cold water pressure drop, (kPa) \\ \(Q_{e}\) & heat exchange capacity of condenser, (kW) \\ \(Q_{e}\) & cooling capacity of evaporator, (kW) \\ \(Q_{mch}\) & transmission power loss, (kW) \\ \(Q_{mtor}\) & heat dissipation rate of motor, (kW) \\ \(Q_{all}\) & heat dissipation rate of oil cooler, (kW) \\ \(TB\) & thermal balance of chiller \\ \(t_{cui}\) & cooling water inlet temperature, (\({}^{\circ}\)C) \\ \(t_{cav}\) & cooling water outlet temperature, (\({}^{\circ}\)C) \\ \(t_{dis}\) & discharge temperature, (\({}^{\circ}\)C) \\ \(t_{e}\) & evaporation temperature, (\({}^{\circ}\)C) \\ \(t_{eau}\) & cold water inlet temperature, (\({}^{\circ}\)C) \\ \(t_{elo}\) & condenser outlet liquid temperature, (\({}^{\circ}\)C) \\ \(t_{suct}\) & suction temperature, (\({}^{\circ}\)C) \\ \(\Delta t\) & logarithmic mean temperature difference of evaporator, (\({}^{\circ}\)C) \\ \(u_{elo}\) & vapor velocity at compressor outlet, (m\(\cdot\)s\({}^{-1}\)) \\ \(u_{elo}\) & droplet velocity at evaporator outlet, (m\(\cdot\)s\({}^{-1}\)) \\ \(u_{evo}\) & vapor velocity at evaporator outlet, (m\(\cdot\)s\({}^{-1}\)) \\ \(v_{c}\) & specific volume of refrigerant vapor in the condenser, (m\({}^{3}\cdot\)kg\({}^{-1}\)) \\ \(V_{cav}\) & volume flow rate of cooling water, (m\({}^{3}\cdot\)s\({}^{-1}\)) \\ \(v_{e}\) & specific volume of refrigerant vapor in the evaporator, (m\({}^{3}\cdot\)kg\({}^{-1}\)) \\ \(V_{eav}\) & volume flow rate of cold water, (m\({}^{3}\cdot\)s\({}^{-1}\)) \\ \(V_{n}\) & rated volumetric flow rate of compressor, (m\({}^{3}\cdot\)s\({}^{-1}\)) \\ \(V_{s}\) & volumetric flow rate of evaporator state, (m\({}^{3}\cdot\)s\({}^{-1}\)) \\ \(W_{Oump}\) & compressor input power, (kW) \\ \(W_{in}\) & motor input power, (kW) \\ \(w_{n}\) & rated specific polytropic work of compressor, (kJ\(\cdot\)kg\({}^{-1}\)) \\ \(\eta\) & compressor efficiency factor \\ \(\eta_{c}\) & compressor efficiency \\ \(\eta_{e}\) & motor efficiency \\ \end{tabular}