Essays about: "R-134a"

Found 2 essays containing the word R-134a.

1. 1. Performance Analysis of CO2 Heat Pumps in Different Applications

   University essay from KTH/Skolan för industriell teknik och management (ITM)

   Author : Jaykumar Thanggavelu; [2022]
   Keywords : CO2 Heat pump; COP; District heating; commercial buildings; residential buildings; field measurement data; Propane; Ammonia; R-134a; CO2 Värmepump; COP; Fjärrvärme; kommersiella byggnader; bostadshus; fältmätningsdata; Propan; Ammoniak; R-134a;

   Abstract : This study focuses on researching the performance of CO2 heat pumps in different real-time applications and in some studies, it compares the performance to synthetic and other natural refrigerants based on heat pump data provided from buildings. The research on the performance of the CO2 heat pump is performed based on Sweden's climatic conditions. READ MORE

3. 2. Thermal energy recovery of low grade waste heat in hydrogenation process

   University essay from Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)

   Author : Sofia Hedström; [2014]
   Keywords : Low-grade waste heat; Waste heat recovery; Organic Rankine Cycle; Absorption Refrigeration; Aspen Plus; Steady-state simulations; Modeling and design;

   Abstract : The waste heat recovery technologies have become very relevant since many industrial plants continuously reject large amounts of thermal energy during normal operation which contributes to the increase of the production costs and also impacts the environment. The simulation programs used in industrial engineering enable development and optimization of the operational processes in a cost-effective way. READ MORE